Solutions Search - LT6220 - Single 60MHz, 20V/µs Low Power, Rail-to-Rail Input and Output Precision Op Amps

Stepped Gain Photodiode Amplifier

Jun 23rd 2003
At low signal levels, the circuit has a high 100kΩ transimpedance gain, but at high signal levels the circuit automatically and smoothly changes to a low 3.1kΩ gain. The beneit of a stepped gain approach is that it maximizes dynamic range. ...