SAN2202
9 Application schematic
1
2
3
4
5
6
7
8
SAN2202A
Amplifier supply in shunt transistor path
A
21
SAN2202B
Amplifier supply by power extraction circuit SAN3020
Q5
BC327-40
FCI
LS
M1
23
A
vpp
1
27
LI
IC1
M2
24
5K1
R7
21
FCI
LS
M1
23
1
28
RI
27
6
STB
CS
CI
SA2531/2
C12
X
RO2
AGND
RR
3
C11
10u
RO1
2
LI
I_96
M2
24
7
12
vin
Power to
speaker amp
10
8
22
6
STB
CS
CI
SA2531/2
vpp
CC6
X
RO2
AGND
RR
3
HS/DP
MO
MODE
LLC
VDD
C1
C2
C3
C4
R1
R2
R3
R4
OSC
VSS
D3
16
15
14
13
20
19
18
17
Q2
BC327
5
25
7
12
CC8
10u
CC7
10u
B
Q3
BC327
5
C13
10u
25
28
RI
RO1
2
B
vin
C1
C2
C3
C4
R1
R2
R3
R4
OSC
VSS
16
15
14
13
20
19
18
17
9
11
10
8
22
4
26
HS/DP
MO
MODE
LLC
9
C
11
C
8 Ohm Loudspeaker Amplifier
R1
47K
vin
VR1
50K
Q1
BC337-10
10U
CC2
CC1
270nF
R4
22K
Q6
BC327-40
CC3
100U
D1
CC4
47nF
+
VDD
4
vpp
CC5
470U
26
The information furnished here by SAMES is believed to be correct and accurate. However, SAMES shall not
be held liable to any party for any damages including but not limited to personal injury, property damage, loss of
profits, loss of use, interuption of business or indirect, special, incidental or consequential damages, of any kind,
+
R2
47K
R3
1K
R6
5K1
D2
+
Q4
BC337-40
R5
22K
SP1
8 Ohm
in connection with or arising out of the furnishing, performance or use of the technical data. No obligation or
liability to any third party shall arise or flow out of SAMES rendering technical or other services.
D
SAMES Telecom
Sch.
SAN2202
Pn#
Single Chip Telephone Application Circuit
Sh 01 of 01
Date :
3rd March 1997
Rev : 1.1
D
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8/9
sames
SAMES [ SAMES ]
