ASAHI KASEI
[AK4644]
6. Sampling Rate:
• PLL Slave Mode (LRCK pin): 7.35kHz ∼ 48kHz
• PLL Slave Mode (BICK pin): 7.35kHz ∼ 48kHz
• PLL Slave Mode (MCKI pin):
8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
• PLL Master Mode:
8kHz, 11.025kHz, 12kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
• EXT Master/Slave Mode:
7.35kHz ∼ 48kHz (256fs), 7.35kHz ∼ 26kHz (512fs), 7.35kHz ∼ 13kHz (1024fs)
7. µP I/F: 3-wire Serial, I2C Bus (Ver 1.0, 400kHz High Speed Mode)
8. Master/Slave mode
9. Audio Interface Format: MSB First, 2’s complement
• ADC : 16bit MSB justified, I2S, DSP Mode
• DAC : 16bit MSB justified, 16bit LSB justified, 16-24bit I2S, DSP Mode
10. Ta = −30 ∼ 85°C
11. Power Supply:
• AVDD, DVDD: 2.6 ∼ 3.6V (typ. 3.3V)
• HVDD: 2.6 ∼ 5.25V (typ. 3.3V/5.0V)
12. Package: 32pin QFN (5mm x 5mm, 0.5mm pitch)
13. Pin/Register Compatible with AK4642EN
Block Diagram
AVDD
AVSS
VCOM
DVDD
DVSS
PMMP
MIC Power
MPWR
I2C
Supply
CSN
CCLK
CDTI
Control
Register
PMADL or PMMICL
LIN1
RIN1
LIN2
RIN2
Internal
MIC
PMADL or PMADR
PDN
Wind-Noise
Reduction
Stereo
Separation
A/D
HPF
ALC
MIC-Amp
PMADR or PMMICR
External
MIC
BICK
LRCK
SDTO
SDTI
PMAINR2
LIN3/MIN
Audio
I/F
Line In
RIN3/VCOC
PMAINL2
PMAINL3
PMAINR3
PMLO
LOUT/RCP
ROUT/RCN
Stereo Line Out
or
Mono Receiver
PMHPL
PMHPR
PMDAC
D/A
Stereo
Separation
DATT Bass
SMUTE Boost
ALC
HPF
HPL
Headphone
HPR
MCKO
MCKI
PMPLL
MUTET
PLL
VCOC
HVDD
HVSS
Figure 1. Block Diagram
MS0477-E-01
2006/10
- 2 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
