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PSIEVM

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

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PSIEVM

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Overview

The precision signal injector (PSI) is a platform for evaluating the performance of successive-approximation register (SAR) analog-to-digital converters (ADCs). The board provides a low-distortion, low-noise, 2-kHz input signal for driving the input of the ADC, and pairs with most of the TI SAR ADC evaluation modules (EVMs). The board is powered over a USB, which also provides a user-interface connection to a PC.

Features
  • PSI software GUI has graphical tool for controlling amplitude, frequency, and offset of AC signal
  • Onboard filter for generating very-low distortion, low-noise, 2-kHz signal
  • Jumper-selectable options for filtering and offset-/common-mode voltage
  •  Single-ended or true differential-signal output options
  • Powered over single USB cable

  • PSI evaluation module
  • USB cable
  • SMA coaxial cables (2)
Precision ADCs
ADS8681 — 16-bit, 1MSPS 1-ch SAR ADC with programmable (±12V, ±10V, ±6V, ±5V, ±2.5V) input ranges on 5V supply ADS8881 — 18-Bit, 1-MSPS, 1-Ch SAR ADC with True-Differential Input, SPI Interface and Daisy-Chain ADS8900B — 20-bit, 1-MSPS, one-channel SAR ADC with internal VREF buffer, internal LDO and enhanced SPI
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Evaluation board

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

Supported products & hardware
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PSIEVM — Precision signal injector (PSI) evaluation module for testing ADC performance

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GUI for evaluation module (EVM)

SBAC170 — Precision Signal Injector (PSI) GUI Installer

Supported products & hardware

Supported products & hardware

Products
Precision ADCs
ADS8900B — 20-bit, 1-MSPS, one-channel SAR ADC with internal VREF buffer, internal LDO and enhanced SPI
Hardware development
Evaluation board
PSIEVM — Precision signal injector (PSI) evaluation module for testing ADC performance
Download options

SBAC170 — Precision Signal Injector (PSI) GUI Installer

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Version: 01.00.00.00
Release date: Jul 11, 2017
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Precision Signal Injector (PSI) GUI Installer (zip)  — 245377 K

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Products
Precision ADCs
ADS8900B — 20-bit, 1-MSPS, one-channel SAR ADC with internal VREF buffer, internal LDO and enhanced SPI
Hardware development
Evaluation board
PSIEVM — Precision signal injector (PSI) evaluation module for testing ADC performance

Release Information

The design resource accessed as www.ti.com/lit/zip/sbac170 or www.ti.com/lit/xx/sbac170/sbac170.zip has been migrated to a new user experience at www.ti.com/tool/download/SBAC170. Please update any bookmarks accordingly.
TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* EVM User's guide Precision Signal Injector Evaluation Module (PSIEVM) User's Guide Oct 30, 2017
Certificate PSIEVM EU Declaration of Conformity (DoC) Jan 2, 2019

Related design resources

Hardware development

EVALUATION BOARD
ADS127L18EVM-PDK — ADS127L18 evaluation module

Support & training

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