AK4644 Datasheet, PDF (2/96 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP/RCV-AMP

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