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