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AKD4528

High Performance 24Bit 96kHz Audio CODEC

Asahi Kasei Microdevices 

ASAHI KASEI

[AK4528]

AK4528

High Performance 24Bit 96kHz Audio CODEC

GENERAL DESCRIPTION

The AK4528 is a high performance 24bit CODEC for the 96kHz recording system. The ADC has an

Enhanced Dual Bit architecture with wide dynamic range. The DAC uses the new developed Advanced

Multi Bit architecture and achieves low outband noise and high jitter tolerance by use of SCF (switched

capacitor filter) techniques.

FEATURES

• 24bit 2ch ADC

- 64x Oversampling

- Full differential Inputs

- S/(N+D): 94dB

- Dynamic Range, S/N: 108dB

- Digital HPF for offset cancellation

- I/F format: MSB justified or I2S

• 24bit 2ch DAC

- 128x Oversampling

- 24bit 8 times Digital Filter

Ripple: ±0.005dB, Attenuation: 75dB

- SCF

- Differential Outputs

- S/(N+D): 94dB

- Dynamic Range, S/N: 110dB

- De-emphasis for 32kHz, 44.1kHz and 48kHz sampling

- Output DATT with –72dB att

- Soft Mute

- I/F format: MSB justified, LSB justified or I2S

• High Jitter Tolerance

• 3-wire Serial Interface for Volume Control

• Master Clock

- 256fs/384fs/512fs/768fs/1024fs

• 5V operation

• 3V Power Supply Pin for 3V I/F

• Small 28pin VSOP package

MS0011-E-01

-1-

2004/01

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