The STMicroelectronics Current sense amplifier is can sense current via a shunt resistor over a wide range of common mode voltages from -0.3 to +26 V, whatever the supply voltage is. They are available in three different versions, each of them having a different gain. The TSC21x are designed with a specific zero-drift architecture, which can achieve high precision. The TSC21x are current sense amplifiers that may be used in various functions such as precision current measurement, over current protection, current monitoring, feedback loops. These devices fully operate over the broad supply voltage range of 2.7 to 26 V and over the industrial temperature range -40 to 125 °C. Wide common mode voltage -0.3 to 26 V
Offset voltage ±35 μV max. (TSC210)
2.7 to 26 V supply voltage
Gain error ±1% maximum
Offset drift: 0.1 μV/°C maximum
Gain drift: 20 ppm/°C maximum
Quiescent current 100 μA