Texas Instruments Lm4889Ma/nopb .
AUDIO POWER AMPLIFIER, CLASS AB, 1W, SOI; AUDIO POWER AMPLIFIER, CLASS AB, 1W, SOIC8; Amplifier Class:AB; No. of Channels:1 Channel; Output Power:1W; Supply Voltage Range:2.2V to 5.5V; Amplifier Case Style:SOIC; No. of Pins:8Pins; Load Impedance:8ohm; Product Range:-