Texas Instruments Instrumentation, OP Amps, Buffer Amps LMP8640MKE-F

The LMP8640MKE-F is a precision high voltage current sense amplifier designed to detect small differential voltages across a sense resistor while accommodating high input common mode voltages. It operates within a supply voltage range of 2.7V to 12V and supports a common mode voltage range from -2V to 42V. This amplifier features fixed gain options of 20V/V, 50V/V, and 100V/V, with a maximum gain error of 0.25%, ensuring high accuracy across temperature variations. The device exhibits low offset voltage of 900µV and an input bias current of 13µA, making it suitable for applications requiring precise measurements. It also boasts a power supply rejection ratio (PSRR) of 85 dB and a common mode rejection ratio (CMRR) of 103 dB, enhancing its performance in noisy environments. The LMP8640MKE-F is housed in a compact 6-pin TSOT package, making it ideal for space-constrained applications in industrial, automotive, and consumer electronics. Its operational temperature range spans from -40°C to 125°C, ensuring reliability in diverse conditions.