BUY A179B https://www.utsource.net/itm/p/1463092.html
P-CHANNEL MOS FET FOR HIGH SPEED SWITCHING
The A179B is an 8-pin SOP (Small Outline Package) integrated circuit (IC) manufactured by Texas Instruments (TI). It is a low-power, low-voltage, single-supply operational amplifier. The A179B features a wide supply voltage range of 1.8V to 5.5V, low input offset voltage of ±1.5mV, low input bias current of ±0.5nA, and low input offset current of ±1.5nA. It also has a wide gain bandwidth of 1MHz, high common-mode rejection ratio of 90dB, and low power consumption of 0.6mW. The A179B is suitable for applications such as signal conditioning, active filters, and portable instrumentation. It is also used in audio preamplifiers, battery-powered systems, and low-voltage data acquisition systems. (For reference only)