AMC1306E05

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±50-mV input, precision current sensing reinforced isolated modulator with Manchester code

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Data sheet

document-pdfAcrobat AMC1306x Small, High-Precision, Reinforced Isolated Delta-Sigma Modulators With High CMTI datasheet (Rev. D) PDF | HTML

AMC1306E05

ACTIVE

Data sheet

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Product details

Device type

Current sensing

Peak-to-peak input voltage range (V)

50mV

Interface type

Serial CMOS

Sample rate (max) (Msps)

21

Rating

Catalog

CMTI (min) (kV/µs)

50

Number of input channels

1

Architecture

Delta-Sigma

SNR (dB)

82

Operating temperature range (°C)

-40 to 125

Power consumption (typ) (mW)

45

SFDR (dB)

83

Isolation rating

Reinforced

Withstand isolation voltage (VISO) (Vrms)

5000

Working isolation voltage (VIOWM) (Vrms)

1500

Transient isolation voltage (VIOTM) (VPK)

7

Creepage (min) (mm)

8.5

Clearance (min) (mm)

8.5

Device type

Current sensing

Peak-to-peak input voltage range (V)

50mV

Interface type

Serial CMOS

Sample rate (max) (Msps)

21

Rating

Catalog

CMTI (min) (kV/µs)

50

Number of input channels

1

Architecture

Delta-Sigma

SNR (dB)

82

Operating temperature range (°C)

-40 to 125

Power consumption (typ) (mW)

45

SFDR (dB)

83

Isolation rating

Reinforced

Withstand isolation voltage (VISO) (Vrms)

5000

Working isolation voltage (VIOWM) (Vrms)

1500

Transient isolation voltage (VIOTM) (VPK)

7

Creepage (min) (mm)

8.5

Clearance (min) (mm)

8.5

SOIC (DWV)

8

67.275 mm² (5.85 mm × 11.5 mm)

Pin-compatible family optimized for shunt-resistor-based current measurements:
- ±50mV or ±250mV input voltage ranges
- Manchester coded or uncoded bitstream options
Excellent DC performance:
- Offset error: ±50µV or ±100µV (max)
- Offset drift: 1µV/°C (max)
- Gain error: ±0.2% (max)
- Gain drift: ±40ppm/°C (max)
Transient immunity: 100kV/µs (typ)
System-level diagnostic features
Safety-related certifications:
- 7000VPEAK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 5000VRMS isolation for 1 minute per UL1577
- CAN/CSA no. 5A-component acceptance service notice and IEC 62368-1 end equipment standard
Fully specified over the extended industrial temperature range: –40°C to +125°C

Pin-compatible family optimized for shunt-resistor-based current measurements:
- ±50mV or ±250mV input voltage ranges
- Manchester coded or uncoded bitstream options
Excellent DC performance:
- Offset error: ±50µV or ±100µV (max)
- Offset drift: 1µV/°C (max)
- Gain error: ±0.2% (max)
- Gain drift: ±40ppm/°C (max)
Transient immunity: 100kV/µs (typ)
System-level diagnostic features
Safety-related certifications:
- 7000VPEAK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 5000VRMS isolation for 1 minute per UL1577
- CAN/CSA no. 5A-component acceptance service notice and IEC 62368-1 end equipment standard
Fully specified over the extended industrial temperature range: –40°C to +125°C

The AMC1306 is a precision, delta-sigma (ΔΣ) modulator with the output separated from the input circuitry by a capacitive double isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced isolation of up to 7000VPEAK according to the DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 standards. Used in conjunction with isolated power supplies, this isolated modulator separates parts of the system that operate on different common-mode voltage levels and protects lower-voltage parts from damage.

The input of the AMC1306 is optimized for direct connection to shunt resistors or other low voltage-level signal sources. The output bitstream of the AMC1306 is Manchester coded (AMC1306Ex) or uncoded (AMC1306Mx), depending on the derivate. Combined with a digital filter (such as those in the TMS320F2807x or TMS320F2837x microcontroller families), the device achieves 16 bits of resolution with a dynamic range of 85dB at a data rate of 78 kSPS.

The bitstream output of the Manchester coded AMC1306Ex versions support single-wire data and clock transfer without having to consider the setup and hold time requirements of the receiving device.

The AMC1306 is a precision, delta-sigma (ΔΣ) modulator with the output separated from the input circuitry by a capacitive double isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced isolation of up to 7000VPEAK according to the DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 standards. Used in conjunction with isolated power supplies, this isolated modulator separates parts of the system that operate on different common-mode voltage levels and protects lower-voltage parts from damage.

The input of the AMC1306 is optimized for direct connection to shunt resistors or other low voltage-level signal sources. The output bitstream of the AMC1306 is Manchester coded (AMC1306Ex) or uncoded (AMC1306Mx), depending on the derivate. Combined with a digital filter (such as those in the TMS320F2807x or TMS320F2837x microcontroller families), the device achieves 16 bits of resolution with a dynamic range of 85dB at a data rate of 78 kSPS.

The bitstream output of the Manchester coded AMC1306Ex versions support single-wire data and clock transfer without having to consider the setup and hold time requirements of the receiving device.

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Technical documentation

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Top documentation	Type	Title	Format options	Date
*	Data sheet	AMC1306x Small, High-Precision, Reinforced Isolated Delta-Sigma Modulators With High CMTI datasheet (Rev. D)	PDF \| HTML	Aug 14, 2026
	Certificate	VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. AB)		Jul 15, 2026
	White paper	Comparing Isolated Amplifiers and Isolated Modulators (Rev. B)	PDF \| HTML	Jun 4, 2024
	Application note	Clock Edge Delay Compensation With Isolated Modulators Digital Interface to MCUs (Rev. A)	PDF \| HTML	Jan 12, 2024
	Application brief	Shunt Resistor Selection for Isolated Data Converters	PDF \| HTML	May 4, 2023
	Application note	Digital Filter Types in Delta-Sigma ADCs (Rev. A)	PDF \| HTML	Mar 29, 2023
	Certificate	UL Certificate of Compliance Vol4 Sec5 E181974 (Rev. A)		Jan 23, 2023
	Circuit design	Isolated Current-Sensing Circuit With ±50-mV Input and Single-Ended Output	PDF \| HTML	Jul 28, 2022
	Circuit design	Isolated Current-Sensing Circuit With ±50-mV Input and Differential Output	PDF \| HTML	Jun 30, 2022
	Certificate	TUEV Technical Report No. 713203936		Oct 20, 2021

Design & development

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Evaluation board

AMC-MOD-50A-EVM — AMC1306 evaluation module for 50A isolated current sensing

The AMC-MOD-50A-EVM is an isolated current sensing evaluation module designed for ±50A shunt-based current sensing. This EVM allows sensing up to ±50A peak current through an external shunt resistor while measuring the isolated output through the isolation barrier of the AMC1306M05. The AMC1306M05 (...)

User guide: PDF | HTML

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Evaluation board

AMC1306EVM — AMC1306 small reinforced isolated modulator evaluation module

The AMC1306 devices are 1-bit modulators with an output buffer separated from the input interface circuitry by a silicon dioxide (SiO2) isolation barrier. The isolation barrier provides galvanic isolation of up to 8000 V_PEAK. When used in combination with an FPGA or other digital filter, AMC1306 (...)

User guide: PDF