ADS1261EVM

ADS1261 evaluation module

ADS1261EVM

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Overview

The ADS1261 evaluation module (EVM) is a platform for evaluating the ADS1261 analog-to-digital converter (ADC). ADS1261 is a low-drift, 24-bit, 40-kSPS, 10-channel delta-sigma (ΔΣ) ADC with an integrated PGA, voltage reference, and internal fault monitors. This sensor-ready ADC provides a high-accuracy, one-chip measurement solution for the most-demanding measurements, including weigh scales, strain-gauge sensors, thermocouples, and resistance temperature detectors (RTDs).

The ADS1261EVM 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 ADS1261
  • 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

  • ADS1261EVM
  • 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)
ADS1260 24-bit, 40-kSPS, 5-ch delta-sigma ADC with PGA, VREF and IDACs for factory automation ADS1260-Q1 Automotive 24-bit, 40-kSPS, 5-ch delta-sigma ADC with PGA, VREF and IDACs ADS1261 24-bit, 40-kSPS, 10-ch delta-sigma ADC with PGA, VREF, IDACs & AC excitation for factory automation ADS1261-Q1 Automotive 24-bit, 40-kSPS, 10-ch, delta-sigma ADC with PGA, VREF, IDACs and AC excitation

 

USB redrivers & multiplexers
TS3USB221E High-Speed USB 2.0 (480-Mbps) 1:2 Multiplexer/Demultiplexer Switch With Single Enable

Order & start development

Evaluation board

ADS1261EVM – ADS1261 evaluation module

Support software

DELTASIGMAEVAL-GUI – Delta-sigma ADC EvaluaTIon software

Evaluation board

ADS1261EVM-DVCPKG – ADS1261EVM device package

Support software

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

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
* User guide Delta-Sigma ADC EvaluaTIon Software User's Manual May 17, 2016
Datasheet ADS126x Precision, 5-channel and 10-channel, 40-kSPS, 24-bit, delta-sigma ADCs with PGA and monitors datasheet (Rev. C) Jan. 22, 2019
More literature ADS1261EVM EU Declaration of Conformity (DoC) Jan. 02, 2019

Related design resources

Software development

SUPPORT SOFTWARE
DELTASIGMAEVAL-GUI Delta-sigma ADC EvaluaTIon software

Support & training

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