Solutions Search - LTC6252 - 720MHz, 3.5mA Power Efficient Rail-to-Rail I/O Op Amps

Low Noise Single Supply Photodiode Amplifier

Glen Brisebois - Applications Engineer - Signal Conditioning Feb 4th 2013
Low Noise Single Supply Photodiode Amplifier Figure 1 shows the LTC6252 applied as a high performance transimpedance amplifier for a photodiode. A low noise JFET acts as a current buffer, with R2 and R3 imposing a low frequency gain of approximately 1. Transimpedance gain is set by feedback resistor R1 to 1MΩ. R4 and ...