INA290A5QDCKRQ1
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Texas Instruments INAx290/INAx290-Q1 Ultra-Precise Current Sense Amplifiers can measure voltage drops across shunt resistors over a wide common-mode range from 2.7V to 120V. It is in a highly space-efficient SC-70 package with a PCB footprint of only 2.0mm x 2.1mm. The ultra-precise current measurement accuracy is achieved thanks to the combination of an ultra-low offset voltage of ±12µV (maximum), a small gain error of ±0.1% (maximum), and a high DC CMRR of 160dB (typical). The INAx290 /INAx290-Q1is not only designed for DC current measurement but also high-speed applications (like fast overcurrent protection, for example) with high bandwidth of 1MHz (at a gain of 20V/V) and an 85dB AC CMRR (at 50kHz).
The INAx290/INAx290-Q1 operates from a single 2.7V to 20V supply and draws a 370µA supply current (typical). The INAx290/INAx290-Q1 is available with five gain options: 20V/V, 50V/V, 100V/V, 200V/V, and 500V/V. The low offset of the zero-drift architecture enables current sensing with low ohmic shunts as specified over the extended operating temperature range (-40°C to +125°C). The INAx290-Q1 devices are AEC-Q100 qualified for automotive applications.