ADS1204
- 16-bit resolution
- 14-bit linearity
- Resolution, speed trade-off:
10-bit effective resolution with 10-µs signal delay (12-bit with 19 µs) - ±2.5-V input range at 2.5 V
- Internal reference voltage: 2%
- Gain error: 0.5%
- Four independent delta-sigma modulators
- Four input reference buffers
- Onboard 20-MHz oscillator
- Selectable internal or external clock
- Operating temperature range:
–40°C to +105°C - Package: VQFN-32 (5 mm × 5 mm)
The ADS1204 is a four-channel, high-performance device, with four delta-sigma (ΔΣ) modulators with 100-dB dynamic range, operating from a single 5-V supply. The differential inputs are ideal for direct connection to transducers in an industrial environment. With the appropriate digital filter and modulator rate, the device can be used to achieve 16-bit analog-to-digital (A/D) conversion with no missing code. Effective resolution of 12 bits can be obtained with a digital filter data rate of 160 kHz at a modulator rate of 10 MHz. The ADS1204 is designed for use in medium- to high-resolution measurement applications including current measurements, smart transmitters, industrial process control, weight scales, chromatography, and portable instrumentation. It is available in a VQFN-32 (5×5) package.
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Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | ADS1204 Four 1-Bit, 10-MHz, 2nd-Order, Delta-Sigma Modulators datasheet (Rev. D) | PDF | HTML | 21 Feb 2020 |
Application note | QFN and SON PCB Attachment (Rev. C) | PDF | HTML | 06 Dec 2023 | |
Application note | Digital Filter Types in Delta-Sigma ADCs (Rev. A) | PDF | HTML | 29 Mar 2023 | |
Analog Design Journal | How delta-sigma ADCs work, Part 1 (Rev. A) | 19 Sep 2016 | ||
E-book | Best of Baker's Best: Precision Data Converters -- Delta-Sigma ADCs | 19 Mar 2015 | ||
Analog Design Journal | How delta-sigma ADCs work, Part 2 | 09 Nov 2011 | ||
Application note | Using the ADS1202 Reference Design | 19 Nov 2003 | ||
Application note | Combining ADS1202 with FPGA Digital Filter for Current Msrmnt in Motor Cntrl App | 28 Apr 2003 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
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ANALOG-ENGINEER-CALC — PC software analog engineer's calculator
The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)
Supported products & hardware
Products
Precision op amps (Vos<1mV)
General-purpose op amps
Audio op amps
Transimpedance amplifiers
High-speed op amps (GBW ≥ 50 MHz)
Power op amps
Video amplifiers
Line drivers
Transconductance amplifiers & laser drivers
Fully differential amplifiers
Precision ADCs
Biosensing AFEs
High-speed ADCs (≥10 MSPS)
Receivers
Touchscreen controllers
Difference amplifiers
Instrumentation amplifiers
Audio line receivers
Analog current-sense amplifiers
Digital power monitors
Analog current-sense amplifiers with integrated shunt resistor
Digital power monitors with integrated shunt resistor
Die & wafer services
SBAR010 — Delta Sigma Modulator Filter Calculator
Supported products & hardware
Products
Isolated ADCs
Precision ADCs
Hardware development
Evaluation board
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
TINA-TI — SPICE-based analog simulation program
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
VQFN (RHB) | 32 | Ultra Librarian |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
- Fab location
- Assembly location
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Support & training
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