AK7722 Datasheet, PDF (2/28 Pages) Asahi Kasei Microsystems – 24bit 4ch ADC + 24bit 4ch DAC with Audio DSP

[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