HC-5502B Intersil Corporation, HC-5502B Datasheet - Page 7

• Manufacturer Part Number: HC-5502B
• Description: Eia/itu Pabx Slic With 30ma Loop Feed
• Manufacturer: Intersil Corporation

Schematic Diagram
10 RF
1
1
2
RING
TIP
TF
R
R
R
16
15
RING FEED
2
R
V
R
R
R
R
R
R
10
BAT
V
7
8
9
V
3
4
1
BAT
B
A-300
+
AMP
I
B5
V
V
BAT
TIP FEED
V
I
B
B4
B
53
+
C3
+
A-400
5
AMP
R
21
Q
V
D3
BAT
RCV
+
-
21
V
V
R
BAT/2
B2
Q
R
11
D36
17
V
REFERENCE
A-100
TRANSV’L
I/VAMP
B2
A-200
LONG’L
I/V AMP
C4
22
R
I
B6
12
R
Pin Numbers for DIP/SOIC Package
I
B1
5
I
B7
V
V
I
R
R
11
BAT
B2
BAT
V
V
14
13
R
V
B
BAT
6
B
I
+
B3
+
V
HC-5502B
BAT
GND
BAT
VOLTAGE AND CURRENT
I
B4
12
HC-5502B
R
I
20
BIAS NETWORK
B5
R
R
ANA
GND
I
18
19
B6
23
TX
24
I
B7
V
I
+
Q
B8
B
+
LOOP CURRENT
SWITCH HOOK
D27
+
V
V
DETECTOR
B
DETECTOR
RING TRIP
BAT
GND
V
+
LIMITING
DIG
BAT
I
B8
6
I
B9
I
I
B9
B2
V
BAT
I
V
B10
-
3
B
Q
+5V
+
D28
V
V
V
+
I
B1
B4
B5
B11
C1
4
-
GND SHORTS
V
THERMAL
LIMITING
B5
CURRENT
V
V
V
V
V
-5V
LIMITING
B1
B2
B3
B4
B5
V
20
+
BAT
I
B1
V
+
B3
19
-
+
-
-5V
RS
INTERFACE
7
I
GK
SH
RFC
A-500
OP AMP
V
B3
BAT
LOGIC
I
V
B10
IIL
B
V
+
BAT
V
B
RD
+
8
GKD
SHD
RC
C2
PD
OUT
18
14
17
13
16
15