PSIEVM

Precision Signal Injector (PSI) Evaluation Module for Testing ADC Performance

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.

  • 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 (<=10MSPS)
ADS8681 16-Bit, 1-MSPS, 1-Ch SAR ADC with programmable (±12/±10/±6/±5/±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, 1-Ch SAR ADC with Internal VREF Buffer, Internal LDO and Enhanced SPI Interface
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Evaluation board

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

Support software

Precision Signal Injector (PSI) GUI Installer – SBAC170.ZIP (245377KB)

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

Technical documentation

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Type Title Date
* User guide Precision Signal Injector Evaluation Module (PSIEVM) User's Guide Oct. 30, 2017
More literature PSIEVM EU Declaration of Conformity (DoC) Jan. 02, 2019

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