
Asahi Kasei Microdevices
GENERAL DESCRIPTION
The AK4525 has a dynamic range of 100dB and is well-suited middle-range MD, surround system, musical instruments and car audio. Analog inputs are full-differential with single-end capability. Analog outputs are single-ended. The AK4525 has X’ tal oscillation circuit and master mode.
FEATURES
□ ∆Σ Stereo ADC
- 64x Oversampling
- Sample Rate Ranging from 32kHz to 48kHz
- S/(N+D): 92dB
- Dynamic range, S/N: 100dB
- Digital HPF for offset cancellation
□ ∆Σ Stereo DAC
- 128x Oversampling
- Sampling Rate Ranging from 32kHz 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
□ X’ tal Oscillation circuit
□ Master/Slave Mode
□ Analog Power Supply: 4.5 to 5.5V, Digital Power Supply: 3.1 to 5.5V