| 属性 | 数值 |
|---|---|
| Gain | 20 V/V |
| Input Offset Voltage | ±25 µV maximum |
| Supply Voltage | 2.7 to 5.5 V |
| Common-Mode Voltage | -4 to 80 V |
| Gain Error | 0.20% maximum |
| PWM Rejection | Enhanced |
| Operating Ambient Temperature | -40 to 125 °C |
| Automotive Qualification | AEC-Q100 Grade 1 |
| Package Details | 8-SOIC (D) |
INA240A1QDRQ1 is the automotive-qualified, 20-V/V INA240 current-sense amplifier supplied in an eight-pin SOIC package with a -40-to-125-degree-C ambient rating.
The device measures bidirectional shunt current even while its input common mode moves from -4 to 80 V, giving a motor controller room for high-side rails and inductive undershoot.
Rejection of fast PWM common-mode edges keeps the output from being dominated by switching artifacts, so current feedback remains useful during active drive rather than only between pulses.
The fixed gain and maximum 0.20-percent gain error make the shunt value and ADC full-scale range calculable, while a maximum 25-microvolt offset supports smaller sense voltages.
Its AEC-Q100 Grade 1 qualification is tied to this Q1 ordering variant and should be retained when an automotive bill of materials is specified.
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