AK4522VM

20-Bit Stereo CODEC

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  • Evaluation Board Manual
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Description

The AK4522 has a dynamic range of 100dB and is well-suited middle-range MD, surround system, musical instruments and car audio. Signal inputs and outputs are single-ended. The DAC outputs are analog filtered to remove out of band noise. External components are minimized. The AK4522 is available in a small 24pin VSOP package, which will reduce system space.

Key Features

• ΔΣStereo ADC

- 64x Oversampling

- Sampling Rate Ranging from 16kHz to 48kHz

- S/(N+D): 92dB

- Dynamic Range, S/N: 100dB

- Digital HPF for offset cancellation

• ΔΣStereo DAC

- 128x Oversampling

- Sampling Rate Ranging from 16kHz to 48kHz

- 2nd order SCF + 2nd order CTF

- Digital de-emphasis for 32kHz, 44.1kHz, 48kHz sampling

- S/(N+D): 90dB

- Dynamic Range, S/N: 100dB

- Soft Mute

• High Jitter Tolerance

• Master Clock: 256fs, 384fs, 512fs

• Analog Power Supply: 4.5 to 5.5V, Digital Power Supply: 2.7 to 5.5V

• Small VSOP Package: 24pin SSOP

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Block Diagram

Block Diagram

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