AK4537 Datasheet, PDF (2/76 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4537]
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 : 19mA
• PVDD : 1.2mA
• HVDD (HP-AMP=ON, SPK-AMP=OFF) : 4mA
• HVDD (HP-AMP=OFF, SPK-AMP=ON) : 7mA
12. Package : 52pin QFN (AK4534 pin compatible)
„ Block Diagram
MPE
MPI
INT/MICL
EXT/MICR
MICOUTR
RIN1
RIN2
MOUT+
MOUT-
LOUT
ROUT
HVDD
HVSS
HPL
MICOUTL
PMMICL
MIC Power
Supply
MIC Power
Supply
LIN1
MIC-AMP
0dB or 20dB
PMMICR
MIC-AMP
0dB or 20dB
LIN2
PMMICL or PMIPGL
ALC1
(IPGA)
PMMICR or PMIPGR
ALC1
(IPGA)
PMMICL
ATT ATT
PMMO
ATT
PMLO
MIX
PMMIX
MIX
MIX
PMHPL
MIX
HP-AMP MIX
M/S AVSS AVDD
PMADL or PMADR
ADC HPF
Audio
Interface
PMDAC
DATT
DAC _SMUTE
Control
Register
HPR
SPP
SPN
VCOM
PMHPR
HP-AMP MIX
MIX
PMSPK
ALC2
MIX
SPK-
MIX
AMP
PMPLL
PLL
PMXTL
PMBPS
PMBPM
DVSS DVDD
MUTET MIN
BEEPL
MOUT2
BEEPR BEEPM
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
MS0202-E-04
-2-
2005/04