Unlike a mono amplifier, this zero drift amplifier OPA2335AIDGKTG4 differential amplifier from Texas Instruments uses two channels to amplify audio signals. It has a CMOS|rail to rail output. It has a minimum dual supply voltage of ±1.35 V and maximum of ±2.75 V. This part has a minimum operating temperature of -40 °C and a maximum of 125 °C. It has 2 channels per chip. This device uses one or two power supplies.