BUY OP497G https://www.utsource.net/itm/p/1560764.html
Precision Picoampere Input Current Quad Operational Amplifier
Package: SOP-16 Description: Low-Noise, Precision, CMOS Operational Amplifier Features: Low Noise: 5.5 nV/√Hz Low Offset Voltage: 0.5 mV Low Offset Voltage Drift: 0.2 μV/°C Low Input Bias Current: 0.5 pA Low Input Offset Current: 0.1 pA Low Supply Current: 0.9 mA/Amplifier Wide Supply Range: ±2.5 V to ±18 V Rail-to-Rail Output Swing Unity-Gain Stable ESD Protection: Human-Body Model >2000 V Application: Portable Instrumentation Data Acquisition Systems Portable Medical Equipment Battery-Powered Systems Active Filters Photodiode Amplifiers High-Resolution Imaging Systems (For reference only)