AK4373 Datasheet, PDF (2/98 Pages) Asahi Kasei Microsystems – Low Power Stereo DAC with HP/SPK-Amp

[AK4373]
† Power Supply:
Analog (AVDD): 2.2 to 3.6V
Digital (DVDD): 1.6 to 3.6V
Driver (HVDD): 2.2 to 4.0V
† Power Consumption:
11.9mW headphone playback
† Ta = -30 ~ +85°C
† Package: 32-pin QFN (5mm x 5mm, 0.5mm pitch)
† Pin/Register compatible with AK4343
■ Block Diagram
AVDD VSS1 _VCOM DVDD VSS3
Stereo Line Out
Headphone
Speaker
LOUT
ROUT
HPL
HPR
MUTET
PMHPL
HPG
VOL
PMHPR
HPG
VOL
DACH
DACH
SPP
SPN
SPKG[1:0]
VOL
PMSPK
DACS
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-
MINS
PMMIN
MINH
HVDD VSS2
Figure 1. Block Diagram (Single-ended mode, HPBTL bit =PSEUDO bit = “0”)
MS0991-E-00
-2-
2008/09