ADS1235 evaluation module


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The ADS1235 evaluation module (EVM) is a platform for evaluating the ADS1235 analog-to-digital converter (ADC). ADS1235 is a low-drift, 24-bit, 7200-SPS, 6-channel delta-sigma (ΔΣ) ADC with an integrated PGA for low-noise bridge measurements. This sensor-ready ADC provides a high-accuracy, one-chip measurement solution for the most-demanding test and measurement instrumentation, including weigh scales, strain-gauge sensors, and high-resolution pressure measurements.

The ADS1235EVM and Delta-Sigma ADC EvaluaTIon Software (DELTASIGMAEVAL-GUI) are provided to reduce prototype development time and get products to market faster.

  • Includes all required support circuitry for ADS1235
  • Delta-Sigma ADC EvaluaTIon Software (DELTASIGMAEVAL-GUI) enables quick configuration and analysis
  • Configurable inputs, references, and supplies
  • Easily-accessible signals via test points and headers

  • ADS1235EVM
  • USB micro-B plug to USB-A plug cable

Boost converters (integrated switch)
TPS61252 3.5-MHz, 1.5-A, 92% efficient boost converter, adjustable input current Limit, ±20% current accuracy


Charge pumps (inductorless)
LM27762 Low-Noise Positive- and Negative-Output Charge Pump With Integrated LDO


Linear & low-dropout (LDO) regulators
TPS717 150-mA, high-PSRR, low-IQ, low-dropout voltage regulator with enable TPS737 1-A, ultra-low-dropout voltage regulator with reverse current protection & enable TPS7A47 1-A, 36-V, low-noise, high-PSRR, low-dropout voltage regulator with enable


Low-side drivers
UCC27524 5-A/5-A dual-channel gate driver with 5-V UVLO, enable, and 1-ns delay Matching


Precision ADCs
ADS1235 24-bit, 7.2-kSPS, 3-ch differential, delta-sigma ADC with PGA and AC excitation for bridge sensors ADS1235-Q1 Automotive 24-bit, 7.2-kSPS, 3-ch differential input, delta-sigma ADC with PGA and AC excitation
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Evaluation board

ADS1235EVM — ADS1235 evaluation module

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Hardware programming tool

ADS1235EVM-DVCPKG — ADS1235EVM device package

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Support software

DELTASIGMAEVAL-GUI — Delta-sigma ADC EvaluaTIon software

lock = Requires export approval (1 minute)
Calculation tool

ADS1261-EXCEL-CALC-TOOL — ADS1261 Design Calculator

Supported products & hardware

ADS1261-EXCEL-CALC-TOOL ADS1261 Design Calculator

Latest version
Release date: 08 Jul 2021
download ADS1261 Design Calculator (zip)  — 1970 K

Precision ADCs
ADS1260 24-bit, 40-kSPS, 5-ch delta-sigma ADC with PGA, VREF and IDACs for factory automation ADS1261 24-bit, 40-kSPS, 10-ch delta-sigma ADC with PGA, VREF, IDACs & AC excitation for factory automation
Hardware development
Evaluation board
ADS1235EVM ADS1235 evaluation module ADS1261EVM ADS1261 evaluation module

Release Infomation

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Technical documentation

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Type Title Date
* EVM User's guide ADS1261 and ADS1235 Evaluation Module User's Guide (Rev. A) 28 Sep 2018
Application note Reduce Bridge Measurement Offset and Drift Using the AC Excitation Mode (Rev. A) PDF | HTML 01 Apr 2021
Certificate ADS1235EVM EU Declaration of Conformity (DoC) 02 Jan 2019
Data sheet ADS1235 Precision, 3-Channel, Differential-Input, 7200-SPS, 24-Bit Delta-Sigma ADC for Bridge Sensors datasheet PDF | HTML 28 Sep 2018

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