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LMH32401 - Differential Output Transimpedance Amplifier

Description

The LMH32401 device is a programmablegain, single-ended, input-to-differential output transimpedance amplifier for light detection and ranging (LIDAR) applications and laser distance measurement systems.

The LMH32401 device can be configured in a gain of 2 kΩ or 20 kΩ.

Features

  • Integrated programmable gain: 2 kΩ or 20 kΩ.
  • Performance, gain = 2 kΩ, CPD = 1 pF:.
  • Bandwidth: 450 MHz.
  • Input-referred noise: 250 nARMS.
  • Rise, fall time: 0.8 ns.
  • Performance, gain = 20 kΩ, CPD = 1 pF:.
  • Bandwidth: 275 MHz.
  • Input-referred noise: 49 nARMS.
  • Rise, fall time: 1.3 ns.
  • Integrated ambient light cancellation.
  • Integrated 100-mA protection clamp.
  • Integrated output multiplexer.

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Full PDF Text Transcription

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LMH32401 SBOS965D – OCTOBER 2019 – REVISED JANUARY 2023 LMH32401 450-MHz, Programmable Gain, Differential Output Transimpedance Amplifier 1 Features • Integrated programmable gain: 2 kΩ or 20 kΩ • Performance, gain = 2 kΩ, CPD = 1 pF: – Bandwidth: 450 MHz – Input-referred noise: 250 nARMS – Rise, fall time: 0.8 ns • Performance, gain = 20 kΩ, CPD = 1 pF: – Bandwidth: 275 MHz – Input-referred noise: 49 nARMS – Rise, fall time: 1.3 ns • Integrated ambient light cancellation • Integrated 100-mA protection clamp • Integrated output multiplexer • Wide output swing: 1.
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