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MAX4206 - Precision Transimpedance Logarithmic Amplifier

General Description

The MAX4206 logarithmic amplifier computes the log ratio of an input current relative to a reference current (externally or internally generated) and provides a corresponding voltage output with a default 0.25V/decade scale factor.

Key Features

  • Single Supply Capability Reduces System Power Supply Requirements.
  • +2.7V to +11V Single-Supply Operation.
  • Also Supports ±2.7V to ±5.5V Dual-Supply Operation if Required.
  • Wide Dynamic Range Supports Most Photodiode Current Measurement.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MAX4206 EVALUATION KIT AVAILABLE Precision Transimpedance Logarithmic Amplifier with Over 5 Decades of Dynamic Range General Description The MAX4206 logarithmic amplifier computes the log ratio of an input current relative to a reference current (externally or internally generated) and provides a corresponding voltage output with a default 0.25V/decade scale factor. The device operates from a single +2.7V to +11V supply or from dual ±2.7V to ±5.5V supplies and is capable of measuring five decades of input current across a 10nA to 1mA range. The MAX4206’s uncommitted op amp can be used for a variety of functions, including filtering noise, adding offset, and adding additional gain. A 0.