SA2532KA Datasheet, PDF (8/21 Pages) Sames – SINGLE CHIP TELEPHONE FOR INDIA

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