This LM2903QPWRG4Q1 comparator circuit from Texas Instruments is a type of high gain differential amplifier. It has an open collector output. Its typical dual supply voltage is ±3|±5|±9|±12|±15 V, with a minimum of ±1 V and maximum of ±18 V. This comparator has a minimum operating temperature of -40 °C and a maximum of 125 °C. It has 2 channels per chip. This device is made with bipolar technology. This device uses one or two power supplies.