W6810ES Datasheet, PDF (5/6 Pages) Winbond – Single Channel CODEC Mini Evaluation Board

R10
1K
C4 4.7uF
C7 _{330 pF}
VDD
R5 91K
R1
1.5K
C2 0.1uF
R3 1K
M1
R2
R4 1K
1.5K C3 0.1uF
AI-
AO TO FILTERS AND ENCODER
AI+
R6 91K
C8
VAG
330 pF
R9
SELECT SIDETONE LEVEL CONTROL
FROM FILTER AND DECODER RO-
R7 20K
R8 3K
PAI
PAO-
PAO+
Figure 2: VoIP Phone Set Diagram
LS1
32 Ohm SPEAKER
R5 10K
LINE IN
C2 0.1uF
R3 10K
R4 10K
C3 0.1uF
AI-
AI+
R6 10K
AO
TO FILTERS AND ENCODER
VAG
FROM FILTER AND DECODER RO-
R7 27K
R13 300 OHM
R8 27K
PAI
to 600 Ohm Line/Load
PAO-
PAO+
Note: R13 and R14
are not on board
R14 300 OHM
LINE OUT
Figure 3: 600 Ohm Line IN/OUT Diagram
5