AK4373 Datasheet, PDF (3/98 Pages) Asahi Kasei Microsystems – Low Power Stereo DAC with HP/SPK-Amp

[AK4373]
AVDD VSS1 _VCOM DVDD VSS3
Headphone(Lch)
Headphone(Rch)
Mono In
HPL+
HPL-
PMHPL
HPG
VOL
HPR+
HPR-
MUTET
HPG
VOL
PMHPR
MIN+
MIN-
PMMIN
DACH
DACH
MINH
Control
Register
PMDAC
Digital
Processing
- HPF
DATT ^{- LPF}
D/A SMUTE ^{- 3D Enhance}
- Frequency
Compensation
- 5-BiQuads
- ALC/Limiter
Audio
I/F
PLL
PMPLL
I2C
CAD0/CSN
SCL/CCLK
SDA/CDTI
PDN
BICK
LRCK
SDTI
MCKO
MCKI
VCOC
HVDD VSS2
Figure 2. Block Diagram (Differential mode, HPBTL bit = “1”, PSEUDO bit = “0”)
AVDD VSS1 _VCOM DVDD VSS3
Headphone
HPL
HPR
MUTET
PMHPL
HPG
VOL
PMHPR
HPG
VOL
HVCM
TEST
PMHPL or PMHPR
COMMON
DACH
DACH
Control
Register
PMDAC
Digital
Processing
- HPF
DATT ^{- LPF}
D/A SMUTE ^{- 3D Enhance}
- Frequency
Compensation
- 5-BiQuads
- ALC/Limiter
Audio
I/F
PLL
PMPLL
I2C
CAD0/CSN
SCL/CCLK
SDA/CDTI
PDN
BICK
LRCK
SDTI
MCKO
MCKI
VCOC
Mono In
MIN+
MIN-
PMMIN
MINH
HVDD VSS2
Figure 3. Block Diagram (Pseudo cap-less mode, HPBTL bit = “0”, PSEUDO bit = “1”)
MS0991-E-00
-3-
2008/09