PCM3001

BurrĆBrown Products from Texas Instruments PCM3000 PCM3001 SBAS055A – OCTOBER 2000 – REVISED OCTOBER 2004 18-BIT STEREO AUDIO CODEC, SINGLE-ENDED ANALOG INPUT/OUTPUT FEATURES Monolithic 18-Bit ∆Σ ADC and DAC 16- or 18-Bit Input/Output Data Accepts Seven Alternate Formats Stereo ADC: – Single-Ended Voltage Input – 64× Oversampling Digital Filter Pass-Band Ripple: ±0.05 dB Stop-Band Attenuation: –65 dB – High Performance: THD+N: –88 dB SNR: 94 dB Dynamic Range: 94 dB – Digital High-Pass Filter Stereo DAC – Single-Ended Voltage Outut – Analog Low-Pass Filter – 8× Oversampling Digital Filter Pass-Band Ripple: ±0.17 dB Stop-Band Attenuation: 35 dB – High Performance: THD+N: –90 dB SNR: 98 dB Dynamic Range: 97 dB Special Features (PCM3000) – Digital De-Emphasis – Digital Attenuation (256 Steps) – Soft Mute – Digital Loopback Sample Rate: 4 kHz to 48 kHz System Clock: 256 fs, 384 fs, 512 fs Single 5-V Power Supply Small Package: SSOP-28 APPLICATIONS Sampling Keyboards Digital Mixers Mini-Disk Recorders Hard-Disk Recorders Karaoke Systems DSP-Based Car Stereo DAT Recorders Video Conferencing DESCRIPTION The PCM3000/3001 is a low-cost, single-chip stereo audio codec (analog-to-digital and digital-to-analog converter) with single-ended analog voltage input and output. Both 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 oversam...