LMH32401 evaluation model for programmable-gain differential-output transimpedance amplifier


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The LMH32401RGT evaluation module (EVM) is a development platform for the LMH32401 differential-output transimpedance ampifier in the RGT package. The EVM features a transformer to convert the output to a 50-Ω single-ended connection for easy measurement with standard test equipement, and the option to convert to fully differential DC-coupled signals. The input is 50-Ω matched and configured by default to receive a voltage input that is converted to a current through a 2-kΩ resistor, but can be reconfigured to receive a true current input with optional photodiode bias connections on the back of the board.

LMH32401RGTEVM also includes easy-to-use jumpers to control the device gain, input bias current cancellation and shutdown functions.

  • Configured for single-ended voltage input and output with 50-Ω matched SubMiniature version A (SMA) connections
  • Includes options to connect a current input source with bias connections for edge-mounting photodiodes
  • Optional DC-coupled differential-output configuration
  • Jumpers included for easy control of gain, bias current cancellation and power down
  • Designed for single 3.3-V supply operation
Transimpedance amplifiers
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Evaluation board

LMH32401RGTEVM — LMH32401 evaluation model for programmable-gain differential-output transimpedance amplifier

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Technical documentation

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Type Title Date
* User guide LMH32401IRGT Evaluation Module User's Guide 13 Oct 2019
Certificate LMH32401RGTEVM EU Declaration of Conformity (DoC) 04 Dec 2019

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