PCM3003

BurrĆBrown Products from Texas Instruments PCM3002 PCM3003 SBAS079A – OCTOBER 2000 – REVISED OCTOBER 2004 16/20-BIT SINGLE-ENDED ANALOG INPUT/OUTPUT STEREO AUDIO CODECS FEATURES Monolithic 20-Bit ∆Σ ADC and DAC 16/20-Bit Input/Output Data Software Control: PCM3002 Hardware Control: PCM3003 Stereo ADC: – Single-Ended Voltage Input – Antialiasing Filter – 64× Oversampling – High Performance THD+N: –86 dB SNR: 90 dB Dynamic Range: 90 dB Stereo DAC: – Single-Ended Voltage Output – Analog Low-Pass Filter – 64× Oversampling – High Performance THD+N: –86 dB SNR: 94 dB Dynamic Range: 94 dB Special Features (PCM3002, PCM3003) – Digital De-Emphasis: 32 kHz, 44.1 kHz, 48 kHz – Power Down: ADC/DAC Independent Special Features (PCM3002) – Digital Attenuation (256 Steps) – Soft Mute – Digital Loopback – Four Alternative Audio Data Formats Sampling Rate: 4 kHz to 48 kHz Single 3-V Power Supply Small Package: SSOP-24 APPLICATIONS DVC Applications DSC Applications Portable/Mobile Audio Applications DESCRIPTION The PCM3002 and PCM3003 are low-cost, single-chip stereo audio codecs (analog-to-digital and digital-to-analog converters) with single-ended analog voltage input and output. The ADCs and DACs employ delta-sigma modulation with 64-times oversampling. The ADCs include a digital decimation filter, and the DACs include an 8-times oversampling digital interpolation filter. The DACs also include digital attenuation, de-emphasis, infinite zero detect...