Low Power Fully Differential Programmable Gain Amplifier Reference Design

(ACTIVE) TIDA-00025

Description & Features

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Description

Reference Design for a Low Power Fully Differential Programmable Gain Amplifier using the TI OPA2683 Low Power Dual Current Feedback Amplifier. This design guide reviews some of the design challenges necessary to create such a circuit. The design guide reviews the results and provides some recommendations for using/designing a Low Power FDA PGA.

Features
  • Low Power Fully Differential Amplifier
  • Low Power Programmable Gain Amplifier
  • Wide Bandwidth Relative to High Gain
  • +/-5V supply voltage
  • Gains of 2, 21, 50, and 70 V/V
  • This reference design has been lab tested and is supported with design files and a design guide


View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  



Schematic/Block Diagram

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Test Data

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Design Files

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Bill of Materials (BOM)

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
OPA2683  Very Low Power, Dual Current Feedback Operational Amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
TS5A23166  0.9-Ohm Dual SPST Analog Switch 5-V/3.3-V 2-Channel Analog Switch  Switches & multiplexers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
OPA2683 Download Download
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TS5A23166 Download -
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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 481 27 Aug 2013 6
Design files (3)
Title Abstract Type Size (KB) Date Views
ZIP 53 27 Aug 2013 1 1
PDF 99 27 Aug 2013 0
PDF 95 27 Aug 2013 18

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