* I 2C/SPI Control Interface I 2C/SPI programmable National 3D Audio I 2C/SPI controlled 32 step digital volume control (-54dB to +18dB) Three independent volume channels (Left, Right, Mono) Eight distinct output modes LLP and microSMD surface mount packaging “Click and Pop” suppression circuitry Thermal shutdown protection Low shutdown current (0.02uA, typ) RF immunity topology