BUY LF356N DIP8 https://www.utsource.net/itm/p/8944472.html

Description: The LF356N is a high-speed JFET input operational amplifier. Features: Wide bandwidth (unity gain): 1.5MHz Low input bias current: 20pA Low input offset voltage: 2mV Low input noise voltage: 15nV/√Hz Low power consumption: 1.3mA/amplifier High slew rate: 13V/μs High output current: 20mA Applications: High speed integrators Sample and hold circuits Active filters Precision rectifiers Voltage followers High speed comparators (For reference only)