AK4571 Datasheet, PDF (51/54 Pages) Asahi Kasei Microsystems – USB I/F Audio CODEC

ASAHI KASEI
[AK4571]
6. System Block Diagram
VD
0.1u
0.1u
0.1u
0.1u
47K
47K
47K
47K
VD
1.5K
47K
DP
DN
3.3n
4.7µ ₊
TEST3
0.1µ
10p
12MHz
10p
LFLT_SYS
LFLT_44K
2.7k
120k
LFLT_48K
120k
22n
6.8n
6.8n
4.7µ ₊
0.1µ
1
DGND
BGND
XTALOUT
XTALIN
EPSW
STBY
EMSW
VCOM
1µ
300
10µ ₊
1n
0.1µ
1µ
MIC
4.7K/2.2K
EPSEL
EPEN
TESTMODE3
TESTMODE2
VRDA
VRAD
VA _0.1µ
Cb
Rb
Cb
Rb
<example>
Gain=19dB, fc=94Hz
Rb: 360K
Cb: 4.7n
1µ
10K<
EPDI
EPAO
SK
CS
+
0.1µ
4.7µ
AGND
+
4.7µ 0.1µ
+
4.7µ
1µ
10K<
*):
10pF
MS0153-J-02
- 51 -
2003/3