PCM3052A

BurrĆBrown Products from Texas Instruments PCM3052A SLES160 – NOVEMBER 2005 24-BIT, 96-kHz STEREO AUDIO CODEC WITH MICROPHONE AMPLIFIER, BIAS, MUXTIPLEXER, AND PGA FEATURES Microphone Amplifier and Bias – Monaural Microphone Amplifier: 34-dB Gain at Differential Input – Microphone Bias: 1 mA at 3.75 V Multiplexer and PGA – Multiplex of Stereo Single-Ended Line Inputs and Monaural Microphone Amplifier – 0.1 Vrms to 1.5 Vrms Full-Scale Input Range – 22-kΩ Input Resistance at 0.1-Vrms Input – 20 dB to –4 dB/range, 1 dB/step PGA Reference Output: ±10 mA at 2.5 V 24-Bit Delta-Sigma ADC and DAC Stereo ADC: – Full-Scale Input: 3 Vp-p – Antialiasing Filter Included – 1/64 Decimation Filter: Pass-Band Ripple: ±0.05 dB Stop-Band Attenuation: –65 dB – On-Chip High-Pass Filter: 0.91 Hz at fS = 48 kHz – High Performance: THD+N: –94 dB (Typical) SNR: 101 dB (Typical) Dynamic Range: 101 dB (Typical) Stereo DAC: – Single-Ended Voltage Output: 4 Vp-p – Analog Low-Pass Filter Included – ×8 Oversampling Digital Filter: Pass-Band Ripple: ±0.03 dB Stop-Band Attenuation: –50 dB – High Performance: THD+N: –97 dB (Typical) SNR: 105 dB (Typical) Dynamic Range: 104 dB (Typical) S/PDIF Output for DAC Digital Input A Multiple Functions With I2C Interface: – Digital De-Emphasis: 32-, 44.1-, 48-kHz – Zipper-Noise-Free Digital Attenuation and Soft Mute for DAC – HPF Bypass Control for ADC – S/PDIF Output Control – Power Down: ADC/DAC Independently External Power-Do...