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TIPD131

Single-Ended Input to Differential Output Conversion Circuit Reference Design

Design files

TIPD131

Design files

Overview

This TI Precision Verified Design provides the theory, component selection, simulation, PCB design, and measurement details for a single ended input to differential output circuit which converts a single ended input of +0.1V to +2.4V into a differential output of ± 2.3V on a single +2.7V supply.  The output range is intentionally limited to maximize linearity.  The circuit is composed of 2 amplifiers.  One amplifier acts as a buffer and creates a voltage, Vout+.  The second amplifier inverts the input and adds a reference voltage to generate Vout-.  Both Vout+ and Vout- range from 0.1V to 2.4V.  The difference, Vdiff, is the difference between Vout+ and Vout-.  This makes the differential output voltage range +2.3V.

Features
  • 100kHz Small Signal Bandwidth
  • Low Power:  100mA current consumption
  • ±0.1% FSR Vdiff Uncalibrated Error
  • ±0.01% FSR Vdiff Calibrated Error
  • Converts 0.1V - 2.4V Input to ±2.3V Output at +1.25V Vcm
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

download Bill of materials (BOM) — TIPD131
TIDR114.PDF (61 KB)

Complete listing of design components, reference designators, and manufacturers/part numbers

download Gerber file — TIPD131
TIDC008.ZIP (400 KB)

Design file that contains information on physical board layer of design PCB

download Schematic — TIPD131
TIDC037.ZIP (1446 KB)

Detailed schematic diagram for design layout and components

download Schematic — TIPD131
TIDR113.PDF (77 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Precision op amps (Vos<1mV)

OPA333 — Micropower, 1.8-V, 17-µA zero-drift CMOS precision operational amplifier

Data sheet: PDF | HTML

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Software

Support software

TIDC066 — TIPD131 Test Files

Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIPD131 — Single-Ended Input to Differential Output Conversion Circuit Reference Design
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TIDC066 — TIPD131 Test Files

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Version: 01.00.00.00
Release date: Aug 28, 2013
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TIPD131 Test Files (zip)  — 938 K

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Reference design
TIPD131 — Single-Ended Input to Differential Output Conversion Circuit Reference Design

Release Information

The design resource accessed as www.ti.com/lit/zip/tidc066 or www.ti.com/lit/xx/tidc066/tidc066.zip has been migrated to a new user experience at www.ti.com/tool/download/TIDC066. Please update any bookmarks accordingly.
Support software

TIDC067 — TIPD131 Simulation

Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIPD131 — Single-Ended Input to Differential Output Conversion Circuit Reference Design
Download options

TIDC067 — TIPD131 Simulation

close
Latest version
Version: 01.00.00.00
Release date: Aug 28, 2013
open-in-new

View all versions

download

TIPD131 Simulation (zip)  — 39 K

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Hardware development
Reference design
TIPD131 — Single-Ended Input to Differential Output Conversion Circuit Reference Design

Release Information

The design resource accessed as www.ti.com/lit/zip/tidc067 or www.ti.com/lit/xx/tidc067/tidc067.zip has been migrated to a new user experience at www.ti.com/tool/download/TIDC067. Please update any bookmarks accordingly.

Technical documentation

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Type Title Date
More literature Precision Amplifier Quickstart Kit brochure (Rev. A) Jan 13, 2015
User guide Single Supply Single-Ended Input to Differential Output Design Guide Aug 29, 2013

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