Single-Supply Low-Input Voltage Optimized Precision Full-Wave Rectifier Reference Design


Design files


This TI Verified Design implements a single-supply full-wave rectifier. The design has been optimized to support excellent linearity for small-input voltage signals from 5mV – 200mV.  The design is used to turn low-level alternating current (ac) signals to positive polarity signals. The circuit is designed to function up to 50 kHz and has excellent linearity at signal levels as low as 5 mVpp. The circuit can be used in sensor acquisition or signal strength indication applications that need to quantify values of low-level input signals which have positive and negative polarities.

  • TI Precision Designs: Verified Design includes Theory, Component Selection, TINA-TI
  • Simulation, PCB Schematic & Layout, Bill of Materials, and Measured Performance
  • Outputs the full-wave rectified (absolute value) of the input signal
  • Supports low-level input signals down to 5mV with excellent linearity
  • Operates from a +5V Supply
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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.

TIDRC88.PDF (159 K)

Detailed schematic diagram for design layout and components

TIDC023.ZIP (508 K)

Detailed schematic diagram for design layout and components

TIDRC89.PDF (83 K)

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


Includes TI products in the design and potential alternatives.

Precision op amps (Vos<1mV)

OPA350Single, single-supply, rail-to-rail, high speed, low noise operational amplifier

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* User guide Single-Supply Low-Input Voltage-Optimized Precision Rectifier Design Guide Jul. 17, 2013

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