AK5371A Datasheet, PDF (2/32 Pages) Asahi Kasei Microsystems – 2ch A/D Converter with USB I/F

ASAHI KASEI
[AK5371A]
„ Block Diagram
VSS2
MICBIAS
MICR
20dB
-
+
AMPR1O
AMPR2I
MICL
20dB
-
+
AMPL1O
AMPL2I
BIASSEL VA VREF VCOM ^{VSS3 VD VSS1 SUSN}
VREF
Common Voltage
Config/String
ROM
CS
SK
EEPROM
Control
EPAO
EPDI
microwire
EEPROM
(1K bit)
Mute
&
Volume
control
Audio Class
Decoder
Audio Class
Encoder
EndPoint0
OUT_FIFO
EndPoint0
IN_FIFO
Serial
Interface
Engine
EPEN
EPSEL
-
+
16bit
ADC
EndPoint1
IN_FIFO
Testmode1,2,3
TEST
SystemCLK
-
adCLK
+
PLL
USB
DP
Transceiver
DN
AMPL2O
AMPR2O
LFLT1
XTLIN
XTLOUT _RSTN
LFLT2
CRYSTAL
„ Ordering Guide
AK5371AVQ
0 ∼ +70 °C
48pin LQFP (0.5mm pitch)
AKD5371
Evaluation Board
„ Pin Layout
VD
VSS1
VSS2
NC
TESTMODE3
XTALOUT
XTALIN
TESTMODE2
LFLT1
LFLT2
BIASSEL
NC
45
1
5
10
15
40
20
NC
35
EPAO
SK
CS
TEST
NC
30
TESTMODE1
NC
VREF
VSS3
VA
25
NC
MS0546-E-00
MS0103-E-00
2
2007/02