Texas Instruments has introduced an automotive qualified 36 V, single-supply op-amp (operational amplifier) that can operate on supplies ranging from +2,7 V to +36 V. The OPA171-Q1 offers high-precision performance and its SOT-553 micro package can reduce board space for automotive applications including HEV/EV, tracking amplifiers in power modules, and transducer amplifiers.
The IC offers features designed to enhance overall system design stability, such as the ability to handle input signals beyond the supply rails without causing output phase reversal. It remains stable when exposed to capacitive loads up to 300 pF or when the input operates 100 mV below the negative rail and within 2 V of the top rail during normal operation.
The OPA171-Q1’s dynamic input voltage range of +2,7 V to +36 V or ±1,35 V to ±18 V allows for greater design versatility across varying supply rails, while still enabling precise, low-voltage sensor outputs. The device provides low offset of up to 1,8 mV, typical drift of 0,3 μV/C and gain bandwidth of 3 MHz. Low quiescent current of 475 μA enables efficient battery-powered operation.
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