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LMH32401 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. The LMH32401 device has 1.5 VPP of output swing and is designed to drive a 100-Ω load.

LMH32401 Key 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