Following the chart on the AD795's datasheet, looking at figure 21, it's the open-loop gain, but the closed loop resistor feedback configuration reduces it down to 28 dB (108-80 = 28). The AD795 is rated over the commercial temperature range of 0☌ to +70☌. ![]() ![]() A: AD795: 276Kb / 20P: Low Power, Low Noise Precision FET Op Amp REV. CONVERSION AND RESET (See Figure 33 and Figure 34) Convert Pulse Width. Catalog Datasheet MFG & Type PDF Document Tags 1996 - ad743 application note. The ADA4522 current noise specs are 800 fA/sqrt (Hz), not 80. The electrometer grade AD549 is used with lower currents than the AD795 that Jung is using, and I expect to be using.
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