DESCRIPTION
TL7231MD is a single-chip ISO/IEC 11172-3 Layer III audio decoder, capable of decoding compressed elementary bit streams as specified in ISO/IEC standard. Since it integrated onchip ADC and on-chip DAC, it can provide you more small and cheaper solution for MP3 player application. It is designed to be well suited for portable audio appliances.

■ Single-chip ISO/IEC 11172-3 Layer III Audio Decoder
■ Supports All MPEG Bit Rates Including Free Format
■ Supports 32/44.1/48KHz Sampling Frequencies for MPEG Bit Stream
■ Supports Single Channel, Dual Channel, Stereo, and Joint Stereo
■ Any Combination of Intensity Stereo and MS Stereo is supported.
■ Serial Bit Stream Input
■ 8-bit Host Interface Port
■ Digital Volume Control
■ Digital Bass/Treble Control
■ 6-Band Equalizer Function
■ Voice Record/Playback Capability
■ On-chip DAC with 1-bit Sigma Delta Modulation
■ Supports Off-chip DAC Interface
■ On-chip ADC with 12-bit Resolution
■ Power Management to Reduce Power Consumption
■ PLL for Internal Clocks and for Output PCM Clock Generation
■ Single 16.9344MHz External Clock Input
■ 3.0 V Operation
■ Small Footprint 100-pin Thin Quad Flat Package