Low-Power Audio CODEC With DirectDrive Headphone Amplifiers

The MAX9856 is a high-performance, low-power stereo Audio CODEC designed for MP3, personal media play- ers (PMPs), or other portable Multimedia devices. Using on-board stereo DirectDrive Headphone ampli- fiers, the CODEC CAN output 30mW into stereo 32 Headphones while operating from a single 1.8V power supply. Very low 9mW playback power consumption makes it an ideal choice for battery-powered applica- tions. The MAX9856 provides Microphone input ampli- fiers, plus flexible input selection, signal mixing, and Automatic gain control (AGC). Comprehensive load- impedance sensing allows the MAX9856 to autodetect most common Audio and Audio Video headset and jack plug types. The MAX9856 uses a thermally efficient, space-saving 40-pin, 6mm x 6mm x 0.8mm TQFN package. By Maxim Integrated Products