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AMC1204

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±250-mV input, precision current sensing basic isolated modulator

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Data sheet

AMC1204

ACTIVE
Data sheet Order now

Product details

Device type Current sensing Peak-to-peak input voltage range (V) 250mV Interface type Serial Sample rate (max) (Msps) 0.078 Rating Catalog CMTI (min) (kV/µs) 15 Number of input channels 1 Architecture Delta-Sigma SNR (dB) -80 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 88 SFDR (dB) 78 Isolation rating Basic Withstand isolation voltage (VISO) (Vrms) 3000 Working isolation voltage (VIOWM) (Vrms) 849 Transient isolation voltage (VIOTM) (VPK) 4.25 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5
Device type Current sensing Peak-to-peak input voltage range (V) 250mV Interface type Serial Sample rate (max) (Msps) 0.078 Rating Catalog CMTI (min) (kV/µs) 15 Number of input channels 1 Architecture Delta-Sigma SNR (dB) -80 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 88 SFDR (dB) 78 Isolation rating Basic Withstand isolation voltage (VISO) (Vrms) 3000 Working isolation voltage (VIOWM) (Vrms) 849 Transient isolation voltage (VIOTM) (VPK) 4.25 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5
SOIC (DW) 16 106.09 mm² 10.3 x 10.3 SOIC (DWV) 8 67.275 mm² 5.85 x 11.5
  • ±250-mV input voltage range optimized for shunt resistors
  • Safety-related certifications:
    • 4250-VPK (AMC1204B) basic isolation per DIN VDE V 0884-11: 2017-01
    • 3005-VRMS (AMC1204B) isolation for 1 minute per UL1577
    • CAN/CSA no. 5A-component acceptance service notice and DIN EN 61010-1
    • Working voltage: 1200 VPEAK
    • Transient immunity: 15 kV/µs
  • High electromagnetic field immunity
    (see SLLA181A application report)
  • Outstanding AC performance:
    • SNR: 84 dB (minimum)
    • THD: –80 dB (maximum)
  • Excellent DC precision:
    • INL: ±8 LSB (maximum)
    • Gain Error: ±2% (maximum)
  • External clock input for easier synchronization
  • Fully specified over the extended industrial temperature range
  • ±250-mV input voltage range optimized for shunt resistors
  • Safety-related certifications:
    • 4250-VPK (AMC1204B) basic isolation per DIN VDE V 0884-11: 2017-01
    • 3005-VRMS (AMC1204B) isolation for 1 minute per UL1577
    • CAN/CSA no. 5A-component acceptance service notice and DIN EN 61010-1
    • Working voltage: 1200 VPEAK
    • Transient immunity: 15 kV/µs
  • High electromagnetic field immunity
    (see SLLA181A application report)
  • Outstanding AC performance:
    • SNR: 84 dB (minimum)
    • THD: –80 dB (maximum)
  • Excellent DC precision:
    • INL: ±8 LSB (maximum)
    • Gain Error: ±2% (maximum)
  • External clock input for easier synchronization
  • Fully specified over the extended industrial temperature range

The AMC1204 and AMC1204B are 1-bit digital output, isolated delta-sigma (ΔΣ) modulators that can be clocked at up to 20 MHz. The digital isolation of the modulator output is provided by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier has been certified to provide basic galvanic isolation of up to 4000 VPEAK (AMC1204) and 4250 VPEAK (AMC1204B) according to UL1577, VDE V 0884-11, and CSA standards or specifications.

The AMC1204 and AMC1204B provide a single-chip solution for measuring the small signal of a shunt resistor across an isolated barrier. These types of resistors are typically used to sense currents in motor control inverters, green energy generation systems, and other industrial applications. The AMC1204 and AMC1204B differential inputs easily connect to the shunt resistor or other low-level signal sources. An internal reference eliminates the need for external components. When used with an appropriate external digital filter, an effective number of bits (ENOB) of 14 is achieved at a data rate of 78 kSPS.

A 5-V analog supply (AVDD) is used by the modulator while the isolated digital interface operates from a 3-V, 3.3-V, or 5-V supply (DVDD). The AMC1204 and AMC1204B are available in SOIC-16 (DW) and SOIC-8 (DWV) packages and are specified from –40°C to 105°C.

The AMC1204 and AMC1204B are 1-bit digital output, isolated delta-sigma (ΔΣ) modulators that can be clocked at up to 20 MHz. The digital isolation of the modulator output is provided by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier has been certified to provide basic galvanic isolation of up to 4000 VPEAK (AMC1204) and 4250 VPEAK (AMC1204B) according to UL1577, VDE V 0884-11, and CSA standards or specifications.

The AMC1204 and AMC1204B provide a single-chip solution for measuring the small signal of a shunt resistor across an isolated barrier. These types of resistors are typically used to sense currents in motor control inverters, green energy generation systems, and other industrial applications. The AMC1204 and AMC1204B differential inputs easily connect to the shunt resistor or other low-level signal sources. An internal reference eliminates the need for external components. When used with an appropriate external digital filter, an effective number of bits (ENOB) of 14 is achieved at a data rate of 78 kSPS.

A 5-V analog supply (AVDD) is used by the modulator while the isolated digital interface operates from a 3-V, 3.3-V, or 5-V supply (DVDD). The AMC1204 and AMC1204B are available in SOIC-16 (DW) and SOIC-8 (DWV) packages and are specified from –40°C to 105°C.
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Technical documentation

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Type Title Date
* Data sheet AMC1204 20-MHz, Second-Order, Isolated Delta-Sigma Modulator for Current-Shunt Measurement datasheet (Rev. F) PDF | HTML 11 Feb 2020
Certificate VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. Y) 20 Aug 2025
E-book Ein Leitfaden für Techniker zu isolierten Signalkettenlösungen PDF | HTML 23 Jan 2025
E-book 절연 신호 체인 솔루션에 관한 엔지니어 가이드 PDF | HTML 23 Jan 2025
White paper Vergleich isolierter Verstärker und isolierter Modulatoren (Rev. B) PDF | HTML 19 Aug 2024
White paper 절연 증폭기와 절연 모듈레이터 비교 (Rev. B) PDF | HTML 19 Aug 2024
Application brief Shunt-Widerstandsauswahl für isolierte Datenwandler PDF | HTML 15 Aug 2024
Application brief 절연 데이터 컨버터를 위한 션트 레지스터 선택 PDF | HTML 15 Aug 2024
White paper Comparing Isolated Amplifiers and Isolated Modulators (Rev. B) PDF | HTML 04 Jun 2024
E-book An Engineer's Guide to Isolated Signal Chain Solutions PDF | HTML 23 May 2024
Application note Clock Edge Delay Compensation With Isolated Modulators Digital Interface to MCUs (Rev. A) PDF | HTML 12 Jan 2024
Application brief Shunt Resistor Selection for Isolated Data Converters PDF | HTML 04 May 2023
Certificate UL Certificate of Compliance File E181974 Vol 4 Sec 1 (Rev. A) 05 Aug 2022
Certificate CSA Certification (Certificate: 220991) (Rev. A) 23 Oct 2015
Application note How to Optimize Performance of AMC1204 in Voltage Sensing 31 Aug 2015
Application note TIC Digital Interface (Rev. A) 02 Dec 2013

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

AMC1204EVM — AMC1204 evaluation module for 1-bit, 20-MHz, second-order, isolated delta-sigma modulator

The AMC1204 is an isolated single-channel delta-sigma (ΔΣ) modulator used in high-resolution measurement applications including current monitoring, industrial process control and motor positioning systems. The AMC1204EVM is a small form factor board containing all the necessary (...)

User guide: PDF
Not available on TI.com
Evaluation board

AMC1210MB-EVM — AMC1210 motherboard evaluation module

The AMC1210MB-EVM is a complete evaluation kit for the AMC1210 & ADS1205 in resolver applications and part of a modular evaluation system for evaluating TI delta-sigma modulators. The AMC1210MB-EVM software allows use of the AMC1210 in a variety of configurations for resolver and current shunt (...)

User guide: PDF
View Options
Evaluation board

PP-SALB2-EVM — PP-SALB2-EVM Smart amp speaker characterization board evaluation module (Learning Board 2)

This board supports: TAS2555YZEVM, TAS2557EVM and TAS2559EVM.

The Smart Amplifier Speaker Characterization Board, when used in conjunction with a supported TI Smart Amplifier and PurePath Console software, provides users the ability to measure speaker excursion, temperature and other parameters for (...)

User guide: PDF
Not available on TI.com
Simulation model

AMC1204 IBIS Model

SBAM095.ZIP (41 KB) - IBIS Model
Download
Calculation tool

SBAR010 — Delta Sigma Modulator Filter Calculator

Supported products & hardware

Supported products & hardware

Products
Isolated ADCs
  • AMC1106E05 — Small Basic Isolated Delta-Sigma Modulator With ±50mV Input and Manchester-Encoded CMOS Interface
  • AMC1106M05 — ±50-mV input, precision current sensing basic isolated modulator
  • AMC1203 — ±250-mV input, precision current sensing basic isolated modulator with int clock
  • AMC1204 — ±250-mV input, precision current sensing basic isolated modulator
  • AMC1204-Q1 — Automotive, ±250-mV input, precision current sensing basic isolated modulator
  • AMC1210 — 4-channel digital filter for delta-sigma modulators
  • AMC1303E0510 — ±50-mV input, current sensing reinforced isolated modulator with 10-MHz int clock & Manchester code
  • AMC1303E0520 — ±50-mV input, current sensing reinforced isolated modulator with 20-MHz int clock & Manchester code
  • AMC1303E2510 — ±250-mV input, current sensing reinforced isolated modulator with 10-MHz int clock & Manchester code
  • AMC1303E2520 — ±250-mV input, current sensing reinforced isolated modulator with 20-MHz int clock & Manchester code
  • AMC1303M0510 — ±50-mV input, precision current sensing reinforced isolated modulator with 10-MHz int clock
  • AMC1303M0520 — ±50-mV input, precision current sensing reinforced isolated modulator with 20-MHz int clock
  • AMC1303M2510 — ±250-mV input, precision current sensing reinforced isolated modulator with 10-MHz int clock
  • AMC1303M2520 — ±250mV input, precision current sensing reinforced isolated modulator with 20MHz internal clock
  • AMC1304L05 — ±50-mV input, precision current sensing reinforced isolated modulator with LDO & LVDS interface
  • AMC1304L05-Q1 — Automotive, ±50-mV input, current sensing reinforced isolated modulator with LDO & LVDS interface
  • AMC1304L25 — ±250-mV input, precision current sensing reinforced isolated modulator with LDO & LVDS Interface
  • AMC1304L25-Q1 — Automotive, ±250-mV input, current sensing reinforced isolated modulator with LDO & LVDS Interface
  • AMC1304M05 — ±50-mV input, precision current sensing reinforced isolated modulator with LDO
  • AMC1304M05-Q1 — Automotive, ±50-mV input, precision current sensing reinforced isolated modulator with LDO
  • AMC1304M25 — ±250-mV input, precision current sensing reinforced isolated modulator with LDO
  • AMC1304M25-Q1 — Automotive, ±250-mV input, precision current sensing reinforced isolated modulator with LDO
  • AMC1305L25 — ±250-mV input, precision current sensing reinforced isolated modulator with LVDS interface
  • AMC1305L25-Q1 — Automotive, ±250-mV input, current sensing reinforced isolated modulator with LVDS Interface
  • AMC1305M05 — ±50-mV input, precision current sensing reinforced isolated modulator
  • AMC1305M05-Q1 — Automotive, ±50-mV input, precision current sensing reinforced isolated modulator
  • AMC1305M25 — ±250-mV input, precision current sensing reinforced isolated modulator
  • AMC1305M25-Q1 — Automotive, ±250-mV input, precision current sensing reinforced isolated modulator
  • AMC1306E05 — ±50-mV input, precision current sensing reinforced isolated modulator with Manchester code
  • AMC1306E25 — ±250-mV input, precision current sensing reinforced isolated modulator with Manchester code
  • AMC1306M05 — ±50-mV input, precision current sensing reinforced isolated modulator
  • AMC1306M25 — ±250-mV input, precision current sensing reinforced isolated modulator
  • AMC1336 — ±1-V input, precision voltage sensing reinforced isolated modulator
  • AMC1336-Q1 — Automotive, ±1-V input, precision voltage sensing reinforced isolated delta-sigma modulator
  • AMC3306M05 — ±50-mV input, precision current sensing reinforced isolated modulator with integrated DC/DC
  • AMC3306M25 — ±250-mV input, precision current sensing reinforced isolated modulator with integrated DC/DC
  • AMC3336 — ±1-V input, precision voltage sensing reinforced isolated modulator with integrated DC/DC
  • AMC3336-Q1 — Automotive ±1-V input, precision voltage sensing reinforced isolated modulator with integrated DC/DC
Precision ADCs
  • ADS1202 — Current-shunt delta-sigma modulator, 10MHz CLK, +/-250mV input, 16-bit resolution
  • ADS1203 — Current-shunt delta-sigma modulator, 10MHz CLK, +/-250mV input, 16-bit resolution, ext ref option
  • ADS1204 — Four Delta-Sigma Modulators, 10MHz CLK, 0-5V Input, 16-Bit Resolution
  • ADS1205 — Two 1-Bit, 10MHz, 2nd-Order, Delta-Sigma Modulator
  • ADS1208 — 10MHz Modulator With Built-in Current Excitation for Hall Sensors
  • ADS1209 — 16-Bit, 10MHz, 2-Ch, Delta-Sigma Modulator
  • AMC1035 — Precision delta-sigma modulator with ±1-V bipolar input and 2.5-V reference output
  • AMC1035-Q1 — Automotive precision delta-sigma modulator with ±1-V bipolar input and 2.5-V reference output
Hardware development
Evaluation board
Download
Calculation tool

SBAR013 — Isolated Amplifier Voltage Sensing Excel Calculator

This calculator provides estimates of the errors associated with using isolation amplifier devices in a voltage sensing configuration.
Supported products & hardware

Supported products & hardware

Products
Isolated amplifiers
  • AMC0100R — Precision ±250mV-input functionally isolated amplifier with ratiometric single-ended output
  • AMC0300D — Precision ±250mV-input reinforced isolated amplifier with differential output
  • AMC0300D-Q1 — Automotive, precision ±250mV-input reinforced isolated amplifier with differential output
  • AMC0300R — Precision, +/-250-mV input, reinforced isolated amplifier with ratiometric single-ended output
  • AMC0300R-Q1 — Automotive +/-250-mV input, reinforced isolated amplifier with ratiometric single-ended output
  • AMC0302D — Precision, +/-50-mV input, reinforced isolated amplifier with differential output
  • AMC0302D-Q1 — Automotive precision, +/-50-mV input, reinforced isolated amplifier with differential output
  • AMC0302R-Q1 — Automotive +/-50-mV input, reinforced isolated amplifier with ratiometric single-ended output
  • AMC0311D — Precision 2V-input reinforced isolated amplifier with fixed gain, differential output
  • AMC0311D-Q1 — Automotive 2V-input reinforced isolated amplifier with differential output for DC voltage sensing
  • AMC0311R — 2V-input reinforced isolated amplifier with ratiometric output for DC voltage sensing
  • AMC0311R-Q1 — Automotive 2V-input reinforced isolated amplifier with ratiometric output for DC voltage sensing
  • AMC0311S — Precision 2V-input reinforced isolated amplifier with fixed gain, single-ended output
  • AMC0311S-Q1 — Automotive 2V-input reinforced isolated amplifier with single-ended output for DC voltage sensing
  • AMC0330D — ±1V-input reinforced isolated amplifier with differential output for AC voltage sensing
  • AMC0330D-Q1 — Automotive ±1V-input reinforced isolated amplifier with differential output for AC voltage sensing
  • AMC0330R — ±1V-input reinforced isolated amplifier with ratiometric output for AC voltage sensing
  • AMC0330R-Q1 — Automotive ±1V-input reinforced isolated amplifier with ratiometric output for AC voltage sensing
  • AMC0330S — ±1V-input reinforced isolated amplifier with single-ended output for AC voltage sensing
  • AMC0330S-Q1 — Automotive ±1V-input reinforced isolated amplifier with single-ended output for AC voltage sensing
  • AMC0380D — AC-input isolated amplifier with integrated resistive divider and differential output
  • AMC0380D-Q1 — Automotive AC-input isolated amplifier with integrated resistive divider and differential output
  • AMC0380R — Precision +/-1500-V input reinforced isolated amplifier with ratiometric single-ended output
  • AMC0380R-Q1 — Automotive precision +/-1500-V input reinforced isolated amplifier with ratiometric output
  • AMC0381D — Precision, 1500-V input, reinforced isolated amplifier with differential output
  • AMC0381D-Q1 — Automotive DC-input isolated amplifier with integrated resistive divider and differential output
  • AMC0381R — Precision, 1500-V input, reinforced isolated amplifier with ratiometric output
  • AMC0381R-Q1 — Automotive precision, +1500-V input, reinforced isolated amplifier with ratiometric output
  • AMC1100 — ±250-mV input, precision current sensing low-cost basic isolated amplifier
  • AMC1200 — ±250-mV input, precision current sensing basic isolated amplifier
  • AMC1200-Q1 — Automotive, ±250-mV input, precision current sensing basic isolated amplifier
  • AMC1200C — +/-250-mV input, current sensing basic isolated amplifier
  • AMC1202 — ±50-mV input, precision current sensing basic isolated amplifier
  • AMC1211-Q1 — 2-V input, precision voltage sensing basic isolated amplifier
  • AMC1300 — ±250-mV input, precision current sensing reinforced isolated amplifier
  • AMC1300B-Q1 — Automotive, ±250-mV input, precision current sensing reinforced isolated amplifier
  • AMC1301 — ±250 mV-Input Precision Reinforced Isolated Amplifier for Current Sensing
  • AMC1301-Q1 — Automotive Precision ±250mV-Input 3µs-Delay Reinforced Isolated Amplifier
  • AMC1302 — ±50-mV input, precision current sensing reinforced isolated amplifier
  • AMC1302-Q1 — Automotive, ±50-mV input, precision current sensing reinforced isolated amplifier
  • AMC1311 — 2-V input, precision voltage sensing reinforced isolated amplifier
  • AMC1311-Q1 — Automotive, 2-V input, precision voltage sensing reinforced isolated amplifier
  • AMC1350 — ±5-V input, precision voltage sensing reinforced isolated amplifier
  • AMC1350-Q1 — Automotive, ±5-V input, precision voltage sensing reinforced isolated amplifier
  • AMC1351 — 0-V to 5-V input, precision voltage sensing reinforced isolated amplifier
  • AMC1351-Q1 — Automotive, 0-V to 5-V input, precision voltage sensing reinforced isolated amplifier
  • AMC1400 — ±250-mV input, precision, current-sensing, reinforced isolated amplifier with high CMTI
  • AMC1400-Q1 — Automotive, ±250-mV input, precision, voltage-sensing, reinforced isolated amplifier with high CMTI
  • AMC1411 — 2-V input, precision voltage sensing reinforced isolated amplifier with high CMTI
  • AMC1411-Q1 — Automotive, 2-V input, precision voltage sensing reinforced isolated amplifier with high CMTI
  • AMC3301 — ±250-mV input, precision current sensing reinforced isolated amplifier with integrated DC/DC
  • AMC3301-Q1 — Automotive, ±250-mV input, precision current sensing reinforced isolated amplifier with int. DC/DC
  • AMC3302 — ±50-mV input, precision current sensing reinforced isolated amplifier with integrated DC/DC
  • AMC3302-Q1 — Automotive, ±50-mV input, precision current sensing reinforced isolated amplifier with int. DC/DC
  • AMC3311 — 2-V input, precision-voltage-sensing reinforced isolated amplifier with integrated DC/DC
  • AMC3311-Q1 — Automotive, 0 to 2-V input, precision reinforced isolated amplifier with integrated DC/DC converter
  • AMC3330 — ±1-V input, precision voltage sensing reinforced isolated amplifier with integrated DC/DC
  • AMC3330-Q1 — Automotive, ±1-V input, precision voltage sensing reinforced isolated amplifier with int. DC/DC
  • ISO224 — ±12-V input, precision voltage sensing reinforced isolated amplifier
Isolated ADCs
  • AMC0106M05 — ±50mV input functionally isolated delta-sigma modulator for current sensing
  • AMC0106M25 — ±250mV input functionally isolated delta-sigma modulator for current sensing
  • AMC0136 — Precision, ±1V input, functional isolated delta-sigma modulator with external clock
  • AMC0236 — Precision, ±1V input, basic isolated delta-sigma modulator with external clock
  • AMC0303M0510 — Precision, +/-50-mV Input, reinforced isolated delta-sigma modulator with 10 MHz internal clock
  • AMC0303M2510 — Precision, +/-250-mV Input, reinforced isolated delta-sigma modulator with 10 MHz internal clock
  • AMC0306M05 — Precision ±50mV input reinforced isolated delta-sigma modulator
  • AMC0306M05-Q1 — Automotive, precision ±50mV input reinforced isolated delta-sigma modulator
  • AMC0306M25 — Precision ±250mV input reinforced isolated delta-sigma modulator
  • AMC0306M25-Q1 — Automotive, precision ±250mV input reinforced isolated delta-sigma modulator
  • AMC0336 — ±1V input reinforced isolated modulator for AC voltage sensing
  • AMC0336-Q1 — Automotive ±1V input reinforced isolated modulator for AC voltage sensing
  • AMC0386 — AC input isolated modulator with integrated resistive divider and external clock
  • AMC0386-Q1 — Automotive AC input isolated modulator with integrated resistive divider and external clock
  • AMC1106E05 — Small Basic Isolated Delta-Sigma Modulator With ±50mV Input and Manchester-Encoded CMOS Interface
  • AMC1106M05 — ±50-mV input, precision current sensing basic isolated modulator
  • AMC1203 — ±250-mV input, precision current sensing basic isolated modulator with int clock
  • AMC1204 — ±250-mV input, precision current sensing basic isolated modulator
  • AMC1204-Q1 — Automotive, ±250-mV input, precision current sensing basic isolated modulator
  • AMC1210 — 4-channel digital filter for delta-sigma modulators
  • AMC1303E0510 — ±50-mV input, current sensing reinforced isolated modulator with 10-MHz int clock & Manchester code
  • AMC1303E0520 — ±50-mV input, current sensing reinforced isolated modulator with 20-MHz int clock & Manchester code
  • AMC1303E2510 — ±250-mV input, current sensing reinforced isolated modulator with 10-MHz int clock & Manchester code
  • AMC1303E2520 — ±250-mV input, current sensing reinforced isolated modulator with 20-MHz int clock & Manchester code
  • AMC1303M0510 — ±50-mV input, precision current sensing reinforced isolated modulator with 10-MHz int clock
  • AMC1303M0520 — ±50-mV input, precision current sensing reinforced isolated modulator with 20-MHz int clock
  • AMC1303M2510 — ±250-mV input, precision current sensing reinforced isolated modulator with 10-MHz int clock
  • AMC1303M2520 — ±250mV input, precision current sensing reinforced isolated modulator with 20MHz internal clock
  • AMC1304L05 — ±50-mV input, precision current sensing reinforced isolated modulator with LDO & LVDS interface
  • AMC1304L05-Q1 — Automotive, ±50-mV input, current sensing reinforced isolated modulator with LDO & LVDS interface
  • AMC1304L25 — ±250-mV input, precision current sensing reinforced isolated modulator with LDO & LVDS Interface
  • AMC1304L25-Q1 — Automotive, ±250-mV input, current sensing reinforced isolated modulator with LDO & LVDS Interface
  • AMC1304M05 — ±50-mV input, precision current sensing reinforced isolated modulator with LDO
  • AMC1304M05-Q1 — Automotive, ±50-mV input, precision current sensing reinforced isolated modulator with LDO
  • AMC1304M25 — ±250-mV input, precision current sensing reinforced isolated modulator with LDO
  • AMC1304M25-Q1 — Automotive, ±250-mV input, precision current sensing reinforced isolated modulator with LDO
  • AMC1305L25 — ±250-mV input, precision current sensing reinforced isolated modulator with LVDS interface
  • AMC1305L25-Q1 — Automotive, ±250-mV input, current sensing reinforced isolated modulator with LVDS Interface
  • AMC1305M05 — ±50-mV input, precision current sensing reinforced isolated modulator
  • AMC1305M05-Q1 — Automotive, ±50-mV input, precision current sensing reinforced isolated modulator
  • AMC1305M25 — ±250-mV input, precision current sensing reinforced isolated modulator
  • AMC1305M25-Q1 — Automotive, ±250-mV input, precision current sensing reinforced isolated modulator
  • AMC1306E05 — ±50-mV input, precision current sensing reinforced isolated modulator with Manchester code
  • AMC1306E25 — ±250-mV input, precision current sensing reinforced isolated modulator with Manchester code
  • AMC1306M05 — ±50-mV input, precision current sensing reinforced isolated modulator
  • AMC1306M05-Q1 — Automotive, ±50-mV input, precision current sensing reinforced isolated modulator
  • AMC1306M25 — ±250-mV input, precision current sensing reinforced isolated modulator
  • AMC1306M25-Q1 — Automotive, ±250-mV input, precision current sensing reinforced isolated modulator
  • AMC1306M25E — Reinforced isolated modulator with -55C extended temperature range
  • AMC130M02 — Two-channel, simultaneously-sampling, 16-bit, isolated delta-sigma ADC
  • AMC130M03 — Three-channel, simultaneously-sampling, 16-bit, isolated delta-sigma ADC
  • AMC131M01 — 24-bit, 32-kSPS, 1-channel, simultaneous-sampling, delta-sigma ADC
  • AMC131M02 — 24-bit, 32-kSPS, 2-channel, simultaneous-sampling, delta-sigma ADC
  • AMC131M03 — Three-channel, simultaneous-sampling 24-bit isolated delta-sigma ADC
  • AMC131M03-Q1 — Automotive, three-channel, simultaneous-sampling 24-bit isolated delta-sigma ADC
  • AMC1333M10 — ±1-V input, reinforced isolated modulator with 10-MHz internal clock and CMOS interface
  • AMC1336 — ±1-V input, precision voltage sensing reinforced isolated modulator
  • AMC1336-Q1 — Automotive, ±1-V input, precision voltage sensing reinforced isolated delta-sigma modulator
  • AMC3306M05 — ±50-mV input, precision current sensing reinforced isolated modulator with integrated DC/DC
  • AMC3306M05-Q1 — Automotive, ±50-mV reinforced isolated modulator with integrated DC/DC
  • AMC3306M25 — ±250-mV input, precision current sensing reinforced isolated modulator with integrated DC/DC
  • AMC3306M25-Q1 — Automotive, ±250-mV reinforced isolated modulator with integrated DC/DC
  • AMC3336 — ±1-V input, precision voltage sensing reinforced isolated modulator with integrated DC/DC
  • AMC3336-Q1 — Automotive ±1-V input, precision voltage sensing reinforced isolated modulator with integrated DC/DC
Precision ADCs
  • AMC1035 — Precision delta-sigma modulator with ±1-V bipolar input and 2.5-V reference output
  • AMC1035-Q1 — Automotive precision delta-sigma modulator with ±1-V bipolar input and 2.5-V reference output
Download
Calculation tool

SBAR020 — Isolated Amplifier Current Sensing Excel Calculator

This calculator provides estimates of the errors associated with using isolation amplifier devices in a current sensing configuration.
Supported products & hardware

Supported products & hardware

Products
Isolated amplifiers
  • AMC0100R — Precision ±250mV-input functionally isolated amplifier with ratiometric single-ended output
  • AMC0300D — Precision ±250mV-input reinforced isolated amplifier with differential output
  • AMC0300D-Q1 — Automotive, precision ±250mV-input reinforced isolated amplifier with differential output
  • AMC0300R — Precision, +/-250-mV input, reinforced isolated amplifier with ratiometric single-ended output
  • AMC0300R-Q1 — Automotive +/-250-mV input, reinforced isolated amplifier with ratiometric single-ended output
  • AMC0302D — Precision, +/-50-mV input, reinforced isolated amplifier with differential output
  • AMC0302D-Q1 — Automotive precision, +/-50-mV input, reinforced isolated amplifier with differential output
  • AMC0302R-Q1 — Automotive +/-50-mV input, reinforced isolated amplifier with ratiometric single-ended output
  • AMC0311D — Precision 2V-input reinforced isolated amplifier with fixed gain, differential output
  • AMC0311D-Q1 — Automotive 2V-input reinforced isolated amplifier with differential output for DC voltage sensing
  • AMC0311R — 2V-input reinforced isolated amplifier with ratiometric output for DC voltage sensing
  • AMC0311R-Q1 — Automotive 2V-input reinforced isolated amplifier with ratiometric output for DC voltage sensing
  • AMC0311S — Precision 2V-input reinforced isolated amplifier with fixed gain, single-ended output
  • AMC0311S-Q1 — Automotive 2V-input reinforced isolated amplifier with single-ended output for DC voltage sensing
  • AMC0330D — ±1V-input reinforced isolated amplifier with differential output for AC voltage sensing
  • AMC0330D-Q1 — Automotive ±1V-input reinforced isolated amplifier with differential output for AC voltage sensing
  • AMC0330R — ±1V-input reinforced isolated amplifier with ratiometric output for AC voltage sensing
  • AMC0330R-Q1 — Automotive ±1V-input reinforced isolated amplifier with ratiometric output for AC voltage sensing
  • AMC0330S — ±1V-input reinforced isolated amplifier with single-ended output for AC voltage sensing
  • AMC0330S-Q1 — Automotive ±1V-input reinforced isolated amplifier with single-ended output for AC voltage sensing
  • AMC0380D — AC-input isolated amplifier with integrated resistive divider and differential output
  • AMC0380D-Q1 — Automotive AC-input isolated amplifier with integrated resistive divider and differential output
  • AMC0380R — Precision +/-1500-V input reinforced isolated amplifier with ratiometric single-ended output
  • AMC0380R-Q1 — Automotive precision +/-1500-V input reinforced isolated amplifier with ratiometric output
  • AMC0381D — Precision, 1500-V input, reinforced isolated amplifier with differential output
  • AMC0381D-Q1 — Automotive DC-input isolated amplifier with integrated resistive divider and differential output
  • AMC0381R — Precision, 1500-V input, reinforced isolated amplifier with ratiometric output
  • AMC0381R-Q1 — Automotive precision, +1500-V input, reinforced isolated amplifier with ratiometric output
  • AMC1100 — ±250-mV input, precision current sensing low-cost basic isolated amplifier
  • AMC1200 — ±250-mV input, precision current sensing basic isolated amplifier
  • AMC1200-Q1 — Automotive, ±250-mV input, precision current sensing basic isolated amplifier
  • AMC1200C — +/-250-mV input, current sensing basic isolated amplifier
  • AMC1202 — ±50-mV input, precision current sensing basic isolated amplifier
  • AMC1211-Q1 — 2-V input, precision voltage sensing basic isolated amplifier
  • AMC1300 — ±250-mV input, precision current sensing reinforced isolated amplifier
  • AMC1300B-Q1 — Automotive, ±250-mV input, precision current sensing reinforced isolated amplifier
  • AMC1301 — ±250 mV-Input Precision Reinforced Isolated Amplifier for Current Sensing
  • AMC1301-Q1 — Automotive Precision ±250mV-Input 3µs-Delay Reinforced Isolated Amplifier
  • AMC1302 — ±50-mV input, precision current sensing reinforced isolated amplifier
  • AMC1302-Q1 — Automotive, ±50-mV input, precision current sensing reinforced isolated amplifier
  • AMC1311 — 2-V input, precision voltage sensing reinforced isolated amplifier
  • AMC1311-Q1 — Automotive, 2-V input, precision voltage sensing reinforced isolated amplifier
  • AMC1350 — ±5-V input, precision voltage sensing reinforced isolated amplifier
  • AMC1350-Q1 — Automotive, ±5-V input, precision voltage sensing reinforced isolated amplifier
  • AMC1351 — 0-V to 5-V input, precision voltage sensing reinforced isolated amplifier
  • AMC1351-Q1 — Automotive, 0-V to 5-V input, precision voltage sensing reinforced isolated amplifier
  • AMC1400 — ±250-mV input, precision, current-sensing, reinforced isolated amplifier with high CMTI
  • AMC1400-Q1 — Automotive, ±250-mV input, precision, voltage-sensing, reinforced isolated amplifier with high CMTI
  • AMC1411 — 2-V input, precision voltage sensing reinforced isolated amplifier with high CMTI
  • AMC1411-Q1 — Automotive, 2-V input, precision voltage sensing reinforced isolated amplifier with high CMTI
  • AMC3301 — ±250-mV input, precision current sensing reinforced isolated amplifier with integrated DC/DC
  • AMC3301-Q1 — Automotive, ±250-mV input, precision current sensing reinforced isolated amplifier with int. DC/DC
  • AMC3302 — ±50-mV input, precision current sensing reinforced isolated amplifier with integrated DC/DC
  • AMC3302-Q1 — Automotive, ±50-mV input, precision current sensing reinforced isolated amplifier with int. DC/DC
  • AMC3311 — 2-V input, precision-voltage-sensing reinforced isolated amplifier with integrated DC/DC
  • AMC3311-Q1 — Automotive, 0 to 2-V input, precision reinforced isolated amplifier with integrated DC/DC converter
  • AMC3330 — ±1-V input, precision voltage sensing reinforced isolated amplifier with integrated DC/DC
  • AMC3330-Q1 — Automotive, ±1-V input, precision voltage sensing reinforced isolated amplifier with int. DC/DC
  • ISO224 — ±12-V input, precision voltage sensing reinforced isolated amplifier
Isolated ADCs
  • AMC0106M05 — ±50mV input functionally isolated delta-sigma modulator for current sensing
  • AMC0106M25 — ±250mV input functionally isolated delta-sigma modulator for current sensing
  • AMC0136 — Precision, ±1V input, functional isolated delta-sigma modulator with external clock
  • AMC0236 — Precision, ±1V input, basic isolated delta-sigma modulator with external clock
  • AMC0303M0510 — Precision, +/-50-mV Input, reinforced isolated delta-sigma modulator with 10 MHz internal clock
  • AMC0303M2510 — Precision, +/-250-mV Input, reinforced isolated delta-sigma modulator with 10 MHz internal clock
  • AMC0306M05 — Precision ±50mV input reinforced isolated delta-sigma modulator
  • AMC0306M05-Q1 — Automotive, precision ±50mV input reinforced isolated delta-sigma modulator
  • AMC0306M25 — Precision ±250mV input reinforced isolated delta-sigma modulator
  • AMC0306M25-Q1 — Automotive, precision ±250mV input reinforced isolated delta-sigma modulator
  • AMC0336 — ±1V input reinforced isolated modulator for AC voltage sensing
  • AMC0336-Q1 — Automotive ±1V input reinforced isolated modulator for AC voltage sensing
  • AMC0386 — AC input isolated modulator with integrated resistive divider and external clock
  • AMC0386-Q1 — Automotive AC input isolated modulator with integrated resistive divider and external clock
  • AMC1106E05 — Small Basic Isolated Delta-Sigma Modulator With ±50mV Input and Manchester-Encoded CMOS Interface
  • AMC1106M05 — ±50-mV input, precision current sensing basic isolated modulator
  • AMC1203 — ±250-mV input, precision current sensing basic isolated modulator with int clock
  • AMC1204 — ±250-mV input, precision current sensing basic isolated modulator
  • AMC1204-Q1 — Automotive, ±250-mV input, precision current sensing basic isolated modulator
  • AMC1210 — 4-channel digital filter for delta-sigma modulators
  • AMC1303E0510 — ±50-mV input, current sensing reinforced isolated modulator with 10-MHz int clock & Manchester code
  • AMC1303E0520 — ±50-mV input, current sensing reinforced isolated modulator with 20-MHz int clock & Manchester code
  • AMC1303E2510 — ±250-mV input, current sensing reinforced isolated modulator with 10-MHz int clock & Manchester code
  • AMC1303E2520 — ±250-mV input, current sensing reinforced isolated modulator with 20-MHz int clock & Manchester code
  • AMC1303M0510 — ±50-mV input, precision current sensing reinforced isolated modulator with 10-MHz int clock
  • AMC1303M0520 — ±50-mV input, precision current sensing reinforced isolated modulator with 20-MHz int clock
  • AMC1303M2510 — ±250-mV input, precision current sensing reinforced isolated modulator with 10-MHz int clock
  • AMC1303M2520 — ±250mV input, precision current sensing reinforced isolated modulator with 20MHz internal clock
  • AMC1304L05 — ±50-mV input, precision current sensing reinforced isolated modulator with LDO & LVDS interface
  • AMC1304L05-Q1 — Automotive, ±50-mV input, current sensing reinforced isolated modulator with LDO & LVDS interface
  • AMC1304L25 — ±250-mV input, precision current sensing reinforced isolated modulator with LDO & LVDS Interface
  • AMC1304L25-Q1 — Automotive, ±250-mV input, current sensing reinforced isolated modulator with LDO & LVDS Interface
  • AMC1304M05 — ±50-mV input, precision current sensing reinforced isolated modulator with LDO
  • AMC1304M05-Q1 — Automotive, ±50-mV input, precision current sensing reinforced isolated modulator with LDO
  • AMC1304M25 — ±250-mV input, precision current sensing reinforced isolated modulator with LDO
  • AMC1304M25-Q1 — Automotive, ±250-mV input, precision current sensing reinforced isolated modulator with LDO
  • AMC1305L25 — ±250-mV input, precision current sensing reinforced isolated modulator with LVDS interface
  • AMC1305L25-Q1 — Automotive, ±250-mV input, current sensing reinforced isolated modulator with LVDS Interface
  • AMC1305M05 — ±50-mV input, precision current sensing reinforced isolated modulator
  • AMC1305M05-Q1 — Automotive, ±50-mV input, precision current sensing reinforced isolated modulator
  • AMC1305M25 — ±250-mV input, precision current sensing reinforced isolated modulator
  • AMC1305M25-Q1 — Automotive, ±250-mV input, precision current sensing reinforced isolated modulator
  • AMC1306E05 — ±50-mV input, precision current sensing reinforced isolated modulator with Manchester code
  • AMC1306E25 — ±250-mV input, precision current sensing reinforced isolated modulator with Manchester code
  • AMC1306M05 — ±50-mV input, precision current sensing reinforced isolated modulator
  • AMC1306M05-Q1 — Automotive, ±50-mV input, precision current sensing reinforced isolated modulator
  • AMC1306M25 — ±250-mV input, precision current sensing reinforced isolated modulator
  • AMC1306M25-Q1 — Automotive, ±250-mV input, precision current sensing reinforced isolated modulator
  • AMC1306M25E — Reinforced isolated modulator with -55C extended temperature range
  • AMC130M02 — Two-channel, simultaneously-sampling, 16-bit, isolated delta-sigma ADC
  • AMC130M03 — Three-channel, simultaneously-sampling, 16-bit, isolated delta-sigma ADC
  • AMC131M01 — 24-bit, 32-kSPS, 1-channel, simultaneous-sampling, delta-sigma ADC
  • AMC131M02 — 24-bit, 32-kSPS, 2-channel, simultaneous-sampling, delta-sigma ADC
  • AMC131M03 — Three-channel, simultaneous-sampling 24-bit isolated delta-sigma ADC
  • AMC131M03-Q1 — Automotive, three-channel, simultaneous-sampling 24-bit isolated delta-sigma ADC
  • AMC1333M10 — ±1-V input, reinforced isolated modulator with 10-MHz internal clock and CMOS interface
  • AMC1336 — ±1-V input, precision voltage sensing reinforced isolated modulator
  • AMC1336-Q1 — Automotive, ±1-V input, precision voltage sensing reinforced isolated delta-sigma modulator
  • AMC3306M05 — ±50-mV input, precision current sensing reinforced isolated modulator with integrated DC/DC
  • AMC3306M05-Q1 — Automotive, ±50-mV reinforced isolated modulator with integrated DC/DC
  • AMC3306M25 — ±250-mV input, precision current sensing reinforced isolated modulator with integrated DC/DC
  • AMC3306M25-Q1 — Automotive, ±250-mV reinforced isolated modulator with integrated DC/DC
  • AMC3336 — ±1-V input, precision voltage sensing reinforced isolated modulator with integrated DC/DC
  • AMC3336-Q1 — Automotive ±1-V input, precision voltage sensing reinforced isolated modulator with integrated DC/DC
Precision ADCs
  • AMC1035 — Precision delta-sigma modulator with ±1-V bipolar input and 2.5-V reference output
  • AMC1035-Q1 — Automotive precision delta-sigma modulator with ±1-V bipolar input and 2.5-V reference output
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Reference designs

TIDM-SERVODRIVE — Industrial Servo Drive and AC Inverter Drive Reference Design

The DesignDRIVE Development Kit is a reference design for a complete industrial drive directly connecting to a three phase ACI or PMSM motor. Many drive topologies can be created from the combined control, power and communications technologies included on this single platform.  Includes (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDM-02006 — Distributed multi-axis servo drive over fast serial interface (FSI) reference design

This reference design presents an example distributed or decentralized multi-axis servo drive over Fast Serial Interface (FSI) using C2000™ real-time controllers. Multi-axis servo drives are used in many applications such as factory automation and robots. The cost per axis, performance and (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-RESOLVER-APPLICATIONS-REFERENCE-DESIGN — Motherboard/controller for the AMC1210

This is a reference design for resolver applications and part of a modular system for evaluating our delta-sigma modulators. The software included allows use of the AMC1210 in a variety of configurations for resolver and current-shunt applications and features a data-export utility to support data (...)
Test report: PDF
Schematic: PDF
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