ADS127L21EVM-PDK

ADS127L21 evaluation module for ADC with easy-to-drive inputs and wideband or low-latency filters

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ADS127L21EVM-PDK

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Overview

The ADS127L21EVM-PDK is an evaluation platform for the ADS127L21 24-bit, high-speed custom-wide-bandwidth filter delta-sigma (ΔΣ) analog-to-digital converter (ADC). The evaluation kit includes the ADS127L21EVM board, the PHI controller board, and accompanying computer software that enables the user to communicate with the ADC over universal serial bus (USB), capture data, and perform data analysis.

Features

Includes hardware and software required for diagnostic testing, as well as accurate performance evaluation of the ADS127L21 ADC
No external power supply needed
Ships with PHI EVM controller, which provides convenient interface to the EVM over USB 2.0 (or higher) for power delivery and digital interface
Easy-to-use evaluation software for Windows 10, 64-bit operating systems; software suite includes graphical tool for data capture and analysis

Precision host interface board (PHI Board)
USB micro-B plug to USB-A plug cable

Fully differential amplifiers

THS4561 — Low-power, 60-MHz, wide-supply-range fully differential amplifier

Precision ADCs

ADS127L21 — 24-bit, 512-kSPS wide-bandwidth delta-sigma ADC with programmable IIR and FIR filters

ADS127L21B — 24bit, 512kSPS wide-bandwidth delta-sigma ADC with high-linearity of 0.8 ppm max INL

Series voltage references

REF6225 — 2.5-V, 3-ppm/°C high-precision voltage reference with integrated buffer & enable pin

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Evaluation board

ADS127L21EVM-PDK — ADS127L21 evaluation module for ADC with easy-to-drive inputs and wideband or low-latency filters

Supported products & hardware

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ADS127L21EVM-PDK — ADS127L21 evaluation module for ADC with easy-to-drive inputs and wideband or low-latency filters

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Driver or library

ADS127LX1EVM-PDK-DRIVER — LabVIEW™ automation driver library for the ADS127L11EVM-PDK and ADS127L21EVM-PDK

Supported products & hardware

Hardware development

Evaluation board

ADS127L11EVM-PDK — ADS127L11 evaluation module for ADC with easy-to-drive inputs and wideband or low-latency filters

ADS127L21EVM-PDK — ADS127L21 evaluation module for ADC with easy-to-drive inputs and wideband or low-latency filters

Download options

ADS127LX1EVM-PDK-DRIVER — LabVIEW™ automation driver library for the ADS127L11EVM-PDK and ADS127L21EVM-PDK

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Version: 1.0.1

Release date: Jul 9, 2025

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ADS127Lx1EVM_Automation_Kit-v1.0.1.exe — 14649 K

Software installer

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Hardware development

Evaluation board

ADS127L11EVM-PDK — ADS127L11 evaluation module for ADC with easy-to-drive inputs and wideband or low-latency filters

ADS127L21EVM-PDK — ADS127L21 evaluation module for ADC with easy-to-drive inputs and wideband or low-latency filters

Documentation

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Manifest

Release Information

LabVIEW VIs for controlling the following EVMs:

ADS127L11EVM
ADS127L21EVM

What's new

v1.0.1 - Updated installer

GUI for evaluation module (EVM)

ADS127L21EVM-PDK-GUI — ADS127L21EVM-PDK GUI installer

Supported products & hardware

Hardware development

Reference design

TIDA-010945 — Precision signal chain for digital multimeters reference design

Evaluation board

ADS127L21EVM-PDK — ADS127L21 evaluation module for ADC with easy-to-drive inputs and wideband or low-latency filters

Download options

ADS127L21EVM-PDK-GUI — ADS127L21EVM-PDK GUI installer

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Version: 1.3.3

Release date: Jun 7, 2024

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Setup_ADS127L21EVM-PDK-GUI.exe — 330090 K

EVM GUI Installer

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Hardware development

Reference design

TIDA-010945 — Precision signal chain for digital multimeters reference design

Evaluation board

ADS127L21EVM-PDK — ADS127L21 evaluation module for ADC with easy-to-drive inputs and wideband or low-latency filters

Documentation

open-in-new

Manifest

Release Information

Evaluation GUI for the ADS127L21EVM-PDK

What's new

V1.3.3 - Added support for importing MATLAB filter coefficient files (FCF) with floating-point values.
V1.3.2 - Updated register map to match latest datasheet revision (SBASAK4A).
V1.3.1 - Fixed a bug in the filter response computation that often producted the incorrect results when the IIR stage was enabled.

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

Technical documentation

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	Type	Title		Date
*	EVM User's guide	ADS127L21EVM-PDK Evaluation Module	PDF \| HTML	Feb 8, 2023
	Certificate	ADS127L21EVM-PDK EU RoHS Declaration of Conformity (DoC)		Jan 24, 2023

Related design resources

Hardware development

EVALUATION BOARD

PSIEVM — Precision signal injector (PSI) evaluation module for testing ADC performance

ADS127L21EVM-PDK

ADS127L21 evaluation module for ADC with easy-to-drive inputs and wideband or low-latency filters