INA250A4

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design INA250A1, INA250A2, INA250A3, INA250A4 SBOS511B – APRIL 2015 – REVISED DECEMBER 2015 INA250 36-V, Low- or High-Side, Bidirectional, Zero-Drift Current-Shunt Monitor with Precision Integrated Shunt Resistor 1 Features 1 Precision Integrated Shunt Resistor: – Shunt Resistor: 2 mΩ – Shunt Resistor Tolerance: 0.1% (Max) – 15 A Continuous from –40°C to 85°C – 0°C to 125°C Temperature Coefficient: 10 ppm/°C High Accuracy: – Gain Error (Shunt and Amplifier): 0.3% (Max) – Offset Current: 50 mA (Max, INA250A2) Four Available Gains: – INA250A1: 200 mV/A – INA250A2: 500 mV/A – INA250A3: 800 mV/A – INA250A4: 2 V/A Wide Common-Mode Range: –0.1 V to 36 V Specified Operating Temperature: –40°C to 125°C 2 Applications Test Equipment Power Supplies Servers Telecom Equipment Automotive Solar Inverters Power Management 3 Description The INA250 is a voltage-output, current-sensing amplifier family that integrates an internal shunt resistor to enable high-accuracy current measurements at common-mode voltages that can vary from 0 V to 36 V, independent of the supply voltage. The device is a bidirectional, low- or highside current-shunt monitor that allows an external reference to be used to measure current flowing in both directions through the internal current-sensing resistor sensor. The integration of the precision current-sensing resistor provides calibration equ...