AK4538 Datasheet, PDF (2/70 Pages) Asahi Kasei Microsystems – 16Bit DS CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4538]
10. Audio Interface Format : MSB First, 2’s compliment
• ADC : I²S, 16bit MSB justified
• DAC : I²S, 16bit MSB justified, 16bit LSB justified
11. Ta = -10 ∼ 70°C
12. Power Supply: 2.4V ∼ 3.6V (typ. 3.3V)
13. Power Supply Current
• AVDD+DVDD : 17mA
• PVDD : 1.2mA
• HVDD (HP-AMP=ON, SPK-AMP=OFF) : 6.5mA
• HVDD (HP-AMP=OFF, SPK-AMP=ON) : 9mA
14. Package : 52pin QFN
15. AK4534 Pin Compatible
n Block Diagram
MPE
MPI
INT
EXT
MDT
MOUT+
MOUT-
LOUT
ROUT
HVDD
HVSS
HPL
MICOUT
MIC Pow er
Supply
MIC Pow er
Supply
AIN
PMMIC
MIC-AMP
0dB or 20dB
0.075 x AVDD
PMMO
ATT
PMLO
ALC1
(IPGA)
ATT ATT
PMHPL
HP-AMP ^MIX
PMMIX
MIX
M/S AVSS AVDD
PMADC
ADC HPF
Audio
Interface
PMDAC
DATT
DAC _SMUTE
Control
Register
HPR
MUTET
SPP
SPN
VCOM
PMHPR
HP-AMP ^MIX
MIX
PMPLL
PLL
SPK-
AMP
PMSPK
ALC2
MIX
PMBPS
PMBPM
MIX
MOUT
Volume
PMAUX
DVSS DVDD
BEEPL
BEEPR BEEPM
MIN MOUT2 ^{AUXIN+ AUXIN-}
CAD0
PDN
LRCK
BICK
SDTO
SDTI
I2C
CSN/CAD1
CCLK/SCL
CDTI/SDA
CDTO
XTO
XTI/MCKI
PVDD
PVSS
MCKO
VCOC
DSP
and
uP
Figure 1. Block Diagram
MS0198-E-01
-2-
2003/5