w681512 Winbond Electronics Corp America, w681512 Datasheet - Page 29

• Manufacturer Part Number: w681512
• Description: Single-channel Voiceband Codec
• Manufacturer: Winbond Electronics Corp America

11. TYPICAL APPLICATION CIRCUIT
AUDIO OUT
RL > 2K ohms
AUDIO OUT
RL > 150 ohms
DIFFERENTIAL
AUDIO IN
0.01 uF
DIFFERENTIAL
AUDIO OUT
RL > 2K ohms
AUDIO IN
0.01 uF
-
+
1.0 uF
1.0 uF
1.0 uF
1.0 uF
-
+
Figure 11.2 Typical circuit for Single Ended Analog I/O’s
Figure 11.1 Typical circuit for Differential Analog I/O’s
27K
27K
27K
27K
27K
27K
27K
27K
100 uF
VDD
27K
27K
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17
18
19
20
2
1
3
4
5
17
18
19
20
2
1
3
4
5
U2
AO
AI-
AI+
VAG
RO-
RO+
PAI
PAO-
PAO+
W681512
U3
AO
AI-
AI+
VAG
RO-
RO+
PAI
PAO-
PAO+
W681512
VDD
VDD
BCLKR
BCLKT
PCMR
BCLKR
PCMT
MCLK
BCLKT
PCMR
PCMT
MCLK
FSR
Publication Release Date: April, 2007
FST
PUI
u/A
FSR
FST
PUI
0.1 uF
u/A
14
12
13
11
8
9
7
16
10
0.1 uF
14
12
13
11
8
9
7
16
10
POWER CONTROL
POWER CONTROL
MODE SELECT
MODE SELECT
8 KHz Frame Sy nc
8 KHz Frame Sy nc
2.048 MHz
Bit Clock
PCM OUT
2.048 MHz
Bit Clock
PCM OUT
W681512
PCM IN
PCM IN
Revision C14