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, I
2
C 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, I
2
S, DSP Mode
•
DAC : 16bit MSB justified, 16bit LSB justified, 16-24bit I
2
S, 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
PMMP
AVSS
VCOM
DVDD
DVSS
MPWR
MIC Power
Supply
PMADL or PMMICL
I2C
Control
Register
CSN
CCLK
CDTI
PMADL or PMADR
LIN1
Internal
MIC
RIN1
MIC-Amp
PMADR or PMMICR
A/D
HPF
Wind-Noise
Reduction
Stereo
Separation
PDN
ALC
LIN2
External
MIC
RIN2
BICK
LRCK
SDTO
LIN3/MIN
Line In
RIN3/VCOC
PMAINR3
PMLO
PMAINR2
PMAINL2
PMAINL3
Audio
I/F
SDTI
LOUT/RCP
Stereo Line Out
or
Mono Receiver
ROUT/RCN
PMHPL
PMDAC
HPL
Headphone
HPR
MUTET
PMHPR
D/A
Stereo
DATT Bass
ALC
Separation
SMUTE Boost
HPF
PMPLL
MCKO
PLL
MCKI
VCOC
HVDD
HVSS
Figure 1. Block Diagram
MS0477-E-01
-2-
2006/10
AKM [ ASAHI KASEI MICROSYSTEMS ]
