SA2532KA/B
Typical Application
Only the components necessary for presenting the complete functions of the SA2532K are included.
5M1
680n
2K2
La
On
Off
4 x 1N4004
20
BSS92
30
12V
100K
10
300
6K
hook
Lb
220K
150K
2N5551
Off
On
1M
BC327
LI
CI
LS
+
1u
STB
+
RI
10u
A
GND
+
2K2
CS
Line Adaption
Power Extraction
DC Mask
LINE
CURRENT
SENSE
RO1
RO2
+
100u
SA2532K
1K8
V
DD
V
DD
M1
10n
V
SS
SOFT
CLIP
M2
100K
10n
1K8
MO
BC547B
MELODY
SEQUENCER
TONE
GENERATOR
MUTE
R4
R3
DIALER
1N4148
12V
330K
FC1
RING
FREQUENCY
DISCRIMINATION
R2
R1
CONTROL
LOGIC
OSC
RAM
510
330K
Ringer
18V
+
220K
10u
10n
HS/DP
MODE
LLC
OSC
1K
MODE_OUT
C1 C2
C3
C4
KEYPAD
+
470u
5V1
3.58MHz
Figure 4
SAMES [ SAMES ]
