OP497FP

Precision Picoampere Input Current Quad Operational Amplifier OP497 FEATURES PIN CONNECTIONS OUT A 1 16 OUT D –IN A 2 15 –IN D +IN A 3 14 +IN D V+ 4 13 V– +IN B 5 12 +IN C –IN B 6 11 –IN C OUT B 7 10 OUT C NC 8 9 NC OP497 00309-001 Low offset voltage: 75 μV maximum Low offset voltage drift: 1.0 μV/°C maximum Very low bias current 25°C: 150 pA maximum −40°C to +85°C: 300 pA maximum Very high open-loop gain: 2000 V/mV minimum Low supply current (per amplifier): 625 μA maximum Operates from ±2 V to ±20 V supplies High common-mode rejection: 114 dB minimum NC = NO CONNECT Strain gage and bridge amplifiers High stability thermocouple amplifiers Instrumentation amplifiers Photocurrent monitors High gain linearity amplifiers Long-term integrators/filters Sample-and-hold amplifiers Peak detectors Logarithmic amplifiers Battery-powered systems Precision performance of the OP497 includes very low offset (120 dB which minimizes offset voltage changes experienced in battery-powered systems. The supply current of the OP497 is