View mc34119 datasheet:

Order this document by MC34119/D MC34119 Low Power Audio Amplifier The MC34119 is a low power audio amplifier intergrated circuit intended (primarily) for telephone applications, such as in speakerphones. It provides differential speaker outputs to maximize output swing at low supply voltages LOW POWER (2.0 V minimum). Coupling capacitors to the speaker are not required. Open AUDIO AMPLIFIER loop gain is 80 dB, and the closed loop gain is set with two external resistors. A Chip Disable pin permits powering down and/or muting the input signal. The MC34119 is available in standard 8–pin DIP, SOIC package, and SEMICONDUCTOR TSSOP package. TECHNICAL DATA • Wide Operating Supply Voltage Range (2.0 V to 16 V), Allows Telephone Line Powered Applications • Low Quiescent Supply Cu