PCM3052A

• 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-k 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 f_S = 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
• 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-Down Pin:
  • ADC/DAC Simultaneously
• Audio Data Format: 24-Bit I²S Only
• Sampling Rate:
  • 16-96 kHz for Both ADC and DAC
• System Clock: 256 f_S Only
• Dual Power Supplies:
  • 5 V for Analog and 3.3 V for Digital
• Package: VQFN-32

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