Variable transimpedance TIA amplifier integrated circuit and laser pulse detector

The invention provides a variable transimpedance TIA amplifier integrated circuit and a laser pulse detector, and belongs to the technical field of laser ranging application. The integrated circuit provides an external transimpedance selection function on the basis of a transimpedance array, realizes a variable transimpedance switching function through the combination of different transimpedances, provides multiple transimpedance gain selections, and adapts to the requirements of different detection distances for detection sensitivity and bandwidth. 本发明提供一种可变跨阻TIA放大器集成电路及激光脉冲探测器，属于激光测距应用技术领域。该集成电路在跨阻阵列的基础上提供外接跨阻选择功能，通过不同跨阻的组合实现可变跨阻切换功能，提供多种跨阻增益选择，适应不同探测距离对探测灵敏度和带宽的需求。