See datasheet for actual packaging/pinout drawings

Package | PIN:

RSW | 10


Q (-40 to 125)

ECO Plan:


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PINA190A5IRSWT-40V, Bi-Directional, Low-/High-Side, Zero-Drift, Voltage Output CSA w/low bias current and enable

The INA190 series of devices are voltage-output, current-shunt monitors (also called current-sense amplifiers) that are commonly used for overcurrent protection, precision-current measurement for system optimization, or in closed-loop feedback circuits. This series of devices can sense drops across shunts at common-mode voltages from –0.1 V to +40 V, independent of the supply voltage. Five fixed gains are available: 25 V/V, 50 V/V, 100 V/V, 200 V/V, or 500 V/V. The low input bias current of the INA190 permits the use of larger current-sense resistors, thus providing accurate current measurements in the µA range. The low offset voltage of the zero-drift architecture extends the dynamic range of the current measurement. Therefore, much smaller shunt-voltage drops are allowed during high-current measurements, thus minimizing resistor power loss while still maintaining accurate current measurements.

These devices operate from a single 1.7-V to 5.5-V power supply, drawing a maximum of 70 µA of supply current when enabled and only 0.5 µA when disabled. All versions are specified over the extended operating temperature range of –40°C to +125°C, and offered in SC70 and UQFN packages.

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