INA381,PDF数据表下载

INA381 pdf资料下载The INA381 includes both a 26-V common-mode, current-sensing amplifier and a high-speed comparator configured to detect overcurrent conditions through measuring the voltage developed across a current-shunt resistor and comparing that voltage to a defined threshold limit set by the comparator reference pin. The current-shunt monitor can measure differential voltage signals on commonmode voltages that can vary from –0.2 V up to 26 V, independent of the supply voltage. The open-drain alert output can be configured to operate in either a transparent mode where the output status follows the input state or in a latched mode where the alert output is cleared when the latch is reset. The standalone comparator alert response time is under 3 μs, allowing for quick detection of overcurrent events. The total system overcurrent protection provided by the INA381 is under 10 μs. This device operates from a single 2.7-V to 5.5-V supply, drawing a maximum supply current of 350 μA. The device is specified over the extended operating temperature range (–40°C to +125°C), and is available in an 8-pin WSON package. INA381A1IDSGR INA381A1IDSGT INA381A2IDSGR INA381A2IDSGT INA381A3IDSGR INA381A3IDSGT INA381A4IDSGR INA381A4IDSGT Datasheet pdf资料数据表下载