AK7722 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK7722

24bit 4ch ADC + 24bit 4ch DAC with Audio DSP

Asahi Kasei Microdevices 

[AK7722]

[Guidance SRC Block] (GSRC)

- 1 Channel (24bit) Up-converter for Voice Guidance

- Supporting frequency: Fin = 7.35kHz ~ 12kHz → Fout = 44.1kHz or 48kHz

[DAC Block]

- 4ch (2 Stereos)

- 24bit 128 x Over-sampling advanced multi-bit (fs=8kHz~48kHz)

- DR, S/N: 108dB (Differential Output)

- S/(N+D): 90dB

- Digital Volume Control (12dB ~ -115dB, 0.5dB Step, Mute)

[Digital Interface Input/Output]

- Digital Signal Input Port (4ch):

24bit MSB justified, 24/20/16bit LSB justified and I2S Format

- Digital Signal Output Port (6ch):

24bit MSB justified, 24/16bit LSB justified and I2S Format

[Micro Computer Interface]

- I2C or 4-wired Interface

[General]

- Integrated PLL

- Integrated Regulator 3.3V → 1.8V

- Power Supply: 3.3V ± 0.3V

- Operating Temperature Range: -40˚C ~ 85˚C

- 80pin LQFP

MS1328-E-00-PB

-2-

2011/09

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