W681310 Datasheet, PDF (29/36 Pages) Winbond – 3V SINGLE-CHANNEL VOICEBAND CODEC

W681310
11. TYPICAL APPLICATION CIRCUIT
VDD
0.1 uF
1.0 uF
27K
-
DIFFERENTIAL
AUDIO IN
+
1.0 uF 27K
0.01 uF
0.1 uF
-
DIFFERENTIAL
AUDIO OUT
RL > 150 ohms
+
27K
27K
27K
27K
U2
17 _AO
18 _AI-
19 _AI+
20
1
VAG
VREF
2 _RO-
3 _PAI
4 _PAO-
5 _PAO+
W681310
FST
BCLKT
14
12
13
PCMT
MCLK ¹¹
PCMR
8
9
BCLKR
FSR
7
8 KHz Frame Sy nc
2.048 MHz
Bit Clock
PCM OUT
PCM IN
u/A
PUI
16
10
MODE SELECT
POWER CONTROL
Figure 11.1 Typical circuit for Differential Analog I/O’s
1.0 uF
27K
AUDIO IN
1.0 uF
27K
0.01 uF
AUDIO OUT
RL > 2K ohms
AUDIO OUT
RL > 150 ohms
0.1 uF
27K
27K
27K
27K
100 uF
VDD
0.1 uF
U3
17 _AO
18 _AI-
19 _AI+
20
1
VAG
VREF
2 _RO-
3 _PAI
4 _PAO-
5 _PAO+
W681310
FST
BCLKT
14
12
13
PCMT
MCLK ¹¹
PCMR
8
9
BCLKR
FSR
7
8 KHz Frame Sy nc
2.048 MHz
Bit Clock
PCM OUT
PCM IN
u/A
PUI
16
10
MODE SELECT
POWER CONTROL
Figure 11.2 Typical circuit for Single Ended Analog I/O’s
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Publication Release Date: September 2005
Revision B13