Product details

Resolution (Bits) 16 Number of input channels 4 Interface type Serial Architecture Delta-Sigma Modulator Input type Differential, Single-Ended Multi-channel configuration Simultaneous Sampling Rating Catalog Reference mode Ext, Int Input range (Max) (V) 5 Input range (Min) (V) 0 Features Oscillator Operating temperature range (C) -40 to 105 Power consumption (Typ) (mW) 122 Analog voltage AVDD (Min) (V) 4.5 SNR (dB) 89 Analog voltage AVDD (Max) (V) 5.5 INL (Max) (+/-LSB) 3 Digital supply (Min) (V) 2.7 Digital supply (Max) (V) 5.5
Resolution (Bits) 16 Number of input channels 4 Interface type Serial Architecture Delta-Sigma Modulator Input type Differential, Single-Ended Multi-channel configuration Simultaneous Sampling Rating Catalog Reference mode Ext, Int Input range (Max) (V) 5 Input range (Min) (V) 0 Features Oscillator Operating temperature range (C) -40 to 105 Power consumption (Typ) (mW) 122 Analog voltage AVDD (Min) (V) 4.5 SNR (dB) 89 Analog voltage AVDD (Max) (V) 5.5 INL (Max) (+/-LSB) 3 Digital supply (Min) (V) 2.7 Digital supply (Max) (V) 5.5
VQFN (RHB) 32 25 mm² 5.0 x 5.0
  • 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)
  • 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.

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

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Type Title Date
* Data sheet ADS1204 Four 1-Bit, 10-MHz, 2nd-Order, Delta-Sigma Modulators datasheet (Rev. D) 21 Feb 2020
Application note QFN and SON PCB Attachment (Rev. B) 24 Aug 2018
Application note Digital Filter Types in Delta-Sigma ADCs 27 Jun 2017
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

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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 (...)

Support software

ADS1202REF — ADS1202 family FPGA software code examples

The ADS1202 reference design provides two isolated ADS1202 circuits for a variety of applications. It includes a Sinc3 filter implemented in a Xilinx® XC2S150 FPGA. Optional optocouplers can be used to provide electrical isolation.

The modular form factor of the reference design allows direct (...)

Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
Calculation tool

ADC-INPUT-CALC — Analog-to-digital converter (ADC) input driver design tool supporting multiple input types

ADC-INPUT-CALC is an online tool that provides support for designing the input buffer to an analog-to-digital converter (ADC). It offers 24 different op-amp based buffer circuits that can be used to drive an ADC input. The available topologies cover differential, single-ended and (...)
Calculation tool

ANALOG-ENGINEER-CALC — 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 op-amp gain with feedback (...)
Calculation tool

Delta Sigma Modulator Filter Calculator

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