ak4644 AKM Semiconductor, Inc., ak4644 Datasheet - Page 2

• Manufacturer Part Number: ak4644
• Description: Stereo Codec With Mic/hp/rcv-amp
• Manufacturer: AKM Semiconductor, Inc.

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