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