BUY AD8009 https://www.utsource.net/itm/p/1227222.html
Low Distortion Amplifier
Description: Low Power, High Speed, Rail-to-Rail Output, CMOS Operational Amplifier Features: Low Power: 1.3 mA/Amplifier High Speed: 3.5 MHz Rail-to-Rail Output Swing Low Offset Voltage: 50 μV Max Low Input Bias Current: 10 pA Max Low Input Offset Current: 10 pA Max Low Input Voltage Noise: 4.5 nV/√Hz Low Supply Current: 1.3 mA/Amplifier Wide Supply Range: 2.7 V to 5.5 V Unity Gain Stable Applications: Portable Instrumentation Battery-Powered Systems Data Acquisition Systems Portable Medical Instruments Active Filters Automotive Electronics (For reference only)