BUY 259A9871P3 https://www.utsource.net/itm/p/1573830.html

The 259A9871P3 is a dual high-speed, low-power, low-noise operational amplifier from Intersil. It features a wide bandwidth of up to 1.5MHz, low input bias current of 0.5pA, low input offset voltage of 0.5mV, and a low noise voltage of 0.9nV/√Hz. It is designed for use in applications such as signal conditioning, active filters, and instrumentation amplifiers. It is available in a 9-pin DIP package. (For reference only)