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ADS1235EVM

ADS1235 evaluation module

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ADS1235EVM

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Overview

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.

Features
  • 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

 

ESD protection & TVS surge diodes
TPD4S012 — Quad 0.8-pF, 5.5-V, ±8-kV ESD protection diode with 15-V tolerant Vbus for USB Interface

 

Linear regulators (LDO)
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 (<=10MSPS)
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

Support software

DELTASIGMAEVAL-GUI – Delta-sigma ADC EvaluaTIon software

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Evaluation board

ADS1235EVM-DVCPKG – ADS1235EVM device package

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Support software

ADS1261 Design Calculator (Rev. A) – SBAC200A.ZIP (2099KB)

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TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* User guide ADS1261 and ADS1235 Evaluation Module User's Guide (Rev. A) Sep. 28, 2018
More literature ADS1235EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Data sheet ADS1235 Precision, 3-Channel, Differential-Input, 7200-SPS, 24-Bit Delta-Sigma ADC for Bridge Sensors datasheet Sep. 28, 2018

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