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Solutions Search - LT6202 - Single 100MHz, Rail-to-Rail Input and Output, Ultralow 1.9nVrtHz Noise, Low Power Op Amps

Low Noise, Low Power Photodiode Amplifier

Aug 29th 2002
Low Noise, Low Power Photodiode Amplifier is Better than Monolithics. Low Bias Current, Low Current Noise and Unity Gain Stability Keep the Circuit Operational from 0ohm to several Gohm. Amplifier input noise density and gain-bandwidth product were measured to be 2.4nV/rtHz and 100MHz, respectively, with only 3.8mA supply ...

Circuit 

 

Low Noise, Low Power Photodiode Amplifier With DC Precision

Nov 23rd 1999
Instead of simply grounding the LT6202 noninverting input, an LTC2050 drives it (and therefore the source) exactly to where it needs to be for zero JFET gate voltage. Output offset is 200mV and output noise is 2mVP-P measured in a 20MHz bandwidth. ...

Circuit