Transimpedance Amplifiers

The Transimpedance Amplifiers family provides precision current-to-voltage conversion for semiconductor and photonic detectors operating in low-signal and high-noise environments. Based on differential-input architectures, these modules generate an output proportional to the difference between input currents, improving common-mode noise rejection and ensuring stable operation even in installations with strong electromagnetic interference.

Designed for detectors such as silicon and diamond sensors, photodiodes, and similar devices, these amplifiers support both photovoltaic and photoconductive modes and can provide programmable detector bias directly at the inputs. Selectable transimpedance gains, programmable filtering, and remote configuration via serial communication allow flexible optimization of bandwidth, noise, and sensitivity. Scalable multi-module chaining, low equivalent input noise, and integrated protection features make this family well suited for precision current readout in laboratory setups, detector arrays, and embedded instrumentation systems.

For complete and precise specifications, please refer to each model’s data sheet. Additionally, an application note, AN8616 – CAEN Preamplifiers selection guide, is available to assist in the choice of preamplifiers.