This differential amplifier AD629BR differential amplifier from Analog Devices uses a combination of two amplifiers to amplify audio signals. Its typical dual supply voltage is ±3|±5|±9|±12|±15 V, with a minimum of ±2.5 V and maximum of ±18 V. This part has a minimum operating temperature of -40 °C and a maximum of 85 °C. This device uses dual power supplies. It has a single channel per chip.