AK5371AVQ AKM [Asahi Kasei Microsystems], AK5371AVQ Datasheet - Page 3

• Manufacturer Part Number: AK5371AVQ
• Description: 2ch A/D Converter with USB I/F
• Manufacturer: AKM [Asahi Kasei Microsystems]

MS0546-E-00
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
ASAHI KASEI
MS0103-E-00
VD
VSS1
VSS2
NC
TESTMODE3
XTALOUT
XTALIN
TESTMODE2
LFLT1
LFLT2
BIASSEL
NC
NC
VCOM
MICBIAS
MICL
AMPL1O
AMPL2I
AMPL2O
NC
MICR
AMPR1O
AMPR2I
AMPR2O
Signal Name
I/O
O
O
O
O
O
O
O
O
O
P
P
P
-
I
I
I
I
-
-
I
I
-
I
I
Ana / Dig
D
D
D
-
D
A
A
A
A
A
D
-
-
A
A
A
A
A
A
-
A
A
A
A
Pin/Function
Digital Power Supply, 3.3V
Digital Ground,0V
Bulk Ground, 0V
No Connection
Please tie down to VSS3 for normal operation.
Crystal Oscillator Output, Connect Crystal Resonator
Crystal Oscillator Input, Connect Crystal Resonator
Please tie down to VSS3 for normal operation.
adPLL loop filter Pin. Connect 51kΩ resistor and 8200pF
capacitor in series externally.
System clock PLL loop filter Pin. Connect 18kΩ resistor and
6800pF capacitor in series externally.
MIC BIAS Select Pin
Select MICBIAS Output
"L": VA(through switch)
“H”: VREF buffer output
No Connection
No Connection
Analog Common Voltage Reference Pin
Voltage Reference Output for the Microphone’s bias voltage
When this chip goes into Suspend mode, this pin goes to Hi-Z.
Left Channel Microphone Input
Left Channel 1
Left Channel 2
Left Channel 2
No Connection
Right Channel Microphone Input
Right Channel 1
Right Channel 2
Right Channel 2
3
st
nd
nd
st
nd
nd
Amplifier Output Pin
Amplifier Input Pin
Amplifier Output Pin
Amplifier Output Pin
Amplifier Input Pin
Amplifier Output Pin
Description
[AK5371A]
2007/02