HC-5502B1 데이터 시트보기 (PDF) - Intersil
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HC-5502B1 Datasheet PDF : 12 Pages
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HC-5502B1
Schematic
1 TF
1 TIP
2 RING
10 RF
SLIC FUNCTIONAL SCHEMATIC
PIN NUMBERS FOR DIP/SOIC PACKAGE
21
RCV
22
11
12
23
6
3
4
20
19
BAT ANA
DIG
C4 VBAT GND GND VB+ GND VB+ C1
+
-
VB+
18
OUT
VB1
VB2
VOLTAGE AND CURRENT
VB3
BIAS NETWORK
VB4
VB5
VB+
+ R17
-5V
A-400
TIP FEED
AMP -
VB2 IB1 IB2 IB3 IB4 IB5 IB6 IB7 IB8 VBAT IB9 IB10 IB11
VBAT
IB4
R12
RING TRIP
DETECTOR
-
A-500
OP AMP
+
VBAT
IB3
-5V IB10 VB+
R7
VB+
5V
R8
VB+
R10
R9 VBAT
VB+
R3
R4
R1
R2
R16
R15
A-300
RING FEED
AMP
QD3 QD36
R11
VBAT
A-200
LONG’L
I/V AMP
IB7
R5
R20
VBAT
VB+
A-100
TRANSV’L
I/VAMP
IB6
VBAT
R6
VBAT/2 REFERENCE
VB2
R14
R21
R18
+
VBAT
VB4
IB8
SWITCH HOOK
DETECTOR
VB+
+
V- B1
IB9
QD27
QD28
LOOP CURRENT
LIMITING
IB2
VB5
GK
GND SHORTS
CURRENT
LIMITING
IB1
-
+
VB3
VBAT
IIL
LOGIC
INTERFACE
SH
THERMAL
LIMITING
VB5
RFC
VBAT IB5
+
R19
VBAT
GKD 14
C2 17
SHD 13
RC 16
PD 15
R13
VBAT
VBAT
C3
TX
5
24
RS
RD
7
8
4-7
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