The INA225-Q1 is a 36-V, common-mode, zero-drift topology, current-sensing amplifier. This device features a significantly higher signal bandwidth than most comparable precision, current-sensing amplifiers, reaching up to 125 kHz at a gain of 100 V/V. A very useful feature present in the device is the built-in programmable gain selection. To increase design flexibility with the device, a programmable gain feature is added that allows changing device gain during operation in order to accurately monitor wider dynamic input signal ranges. Four discrete gain levels (25 V/V, 50 V/V, 100 V/V, and 200 V/V) are available in the device and are selected using the two gain-select terminals, GS0 and GS1.