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AK4520AVF +BOM

100dB 20Bit Stereo ADC & DAC

AK4520AVF General Description

General Description The AK4520 is a stereo CMOS A/D & D/A converter for middle-range MD/DAT, Surround System and musical instruments. Signal inputs and outputs are single-ended. The DAC outputs are analog filtered to remove out of band noise. External components are minimized.Features □ ∆Σ Stereo ADC - 64x Oversampling - S/(N+D): 90dB at 5V, 86dB at 3V - Dynamic Range: 100dB at 5V, 96dB at 3V - S/N: 100dB at 5V, 96dB at 3V - Digital HPF for offset cancel □ ∆Σ Stereo DAC - 128x Oversampling - 2nd order SCF + 2nd order CTF - Digital de-emphasis for 32kHz, 44.1kHz, 48kHz sampling - S/(N+D): 90dB at 5V, 90dB at 3V - Dynamic Range: 100dB at 5V, 96dB at 3V - S/N: 100dB at 5V, 96dB at 3V □ High Jitter Tolerance □ Sample Rate Ranging from 16kHz to 54kHz □ Master Clock: 256fs or 384fs □ 2.7 to 3.6V or 4.5 to 5.5V supply □ Low Power Dissipation: 255mW □ Small 28pin VSOP Package

Key Features

  • ∆Σ Stereo ADC
  • - 64x Oversampling
  • - S/(N+D): 90dB at 5V, 86dB at 3V
  • - Dynamic Range: 100dB at 5V, 96dB at 3V
  • - S/N: 100dB at 5V, 96dB at 3V
  • - Digital HPF for offset cancel
  • ∆Σ Stereo DAC
  • - 128x Oversampling
  • - 2nd order SCF + 2nd order CTF
  • - Digital de-emphasis for 32kHz, 44.1kHz, 48kHz sampling
  • - S/(N+D): 90dB at 5V, 90dB at 3V
  • - Dynamic Range: 100dB at 5V, 96dB at 3V
  • - S/N: 100dB at 5V, 96dB at 3V
  • High Jitter Tolerance
  • Sample Rate Ranging from 16kHz to 54kHz
  • Master Clock: 256fs or 384fs
  • 2.7 to 3.6V or 4.5 to 5.5V supply
  • Low Power Dissipation: 255mW
  • Small 28pin VSOP Package

Specifications

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