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CIRCUIT060061

Single-ended input to differential output circuit

CIRCUIT060061

Overview

This circuit converts a single ended input of 0.1 V to 2.4 V into a differential output of ±2.3 V on a single 2.7-V supply. The input and output ranges can be scaled as necessary as long as the op amp input commonmode range and output swing limits are met.
Features
  • Input: Vi = 0.1 V to 2.4 V
  • Output: Vo = -2.3 V to 2.3 V
  • Supply:
    • Vcc = 2.7 V
    • Vee = 0 V
    • Vref = 2.5 V
General-purpose op amps
OPA344 — Single, 5.5-V, 1-MHz, 1-mV offset, RRIO operational amplifier
Precision op amps (Vos<1mV)
OPA335 — Single 0.05uV/C max, single-supply CMOS operational amplifier
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Technical documentation

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Type Title Date
* Circuit design Single-ended input to differential output circuit (Rev. B) PDF | HTML 15 Oct 2024
Circuit design Single-ended to differential using a two op-amp circuit (Rev. A) PDF | HTML 20 Sep 2024
Circuit design Circuit for differential output from a single-ended precision DAC (Rev. A) PDF | HTML 19 Sep 2024
Design guide High-Performance Single-Ended to Differential Active IF for High-Speed ADCs 20 Aug 2014

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Reference designs

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

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