AK5374 Datasheet, PDF (2/51 Pages) Asahi Kasei Microsystems – 24-bit Stereo ADC with USB Interface

■ Block Diagram
[AK5374]
INT MIC
EXT MIC
EEP-ROM
SPI I/F
VREF VCOM AVDD VSS1
CSN SK EPAO EPAI
RSTN SUSN DVDD VSS2 VSS3
DVDD
MPWR
PMMP
VREF
MICLP
PMADL
Control
Decode
PMADL or PMADR
MICLN
MICRP
Gain: 0/+6/+12/+18/+24/+30/+36dB
24bit
ADC
MICRN
PMADR
PLL
(System/Audio)
USB
SIE
DVOL
MUTE
Audio
Stream
Control
USB
Tx/Rx
1.5kΩ
DP ^18Ω
DN
18Ω
CLKO
CKM = “H”
XTE = “H”
LMUTEN RMUTEN
CLKDRV
Figure 1. Block Diagram
XTI
XTO
24MHz
MS1197-E-00
-2-
2010/06