The Texas Instruments OPA991QDBVRQ1 is a single-channel, automotive-grade general-purpose operational amplifier in a SOT-23-5 package. It's AEC-Q100 qualified, rated for -40 to 125°C ambient temperature, and operates from a 2.7 V to 40 V supply span. The rail-to-rail output and 75 mA output current per channel let it drive moderate loads — think sensor buffers, actuator drivers, or signal conditioning in an ECU — without an extra buffer stage.
The 4.5 MHz gain-bandwidth product and 21 V/µs slew rate suit general-purpose signal chains.
The SOT-23-5 package is standard for a single op-amp in this family.
The OPA991QDBVRQ1 is listed as Active. No end-of-life notice has been issued.