HC5503PRCB(1999) 查看數據表（PDF） - Intersil
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HC5503PRCB Datasheet PDF : 9 Pages
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HC5503PRC
TF
9
TIP
1
RING
FEED
SENSE
3
RING
2
RF
10
SLIC FUNCTIONAL SCHEMATIC
SOIC PIN NUMBERS SHOWN
21
22
11
12
23
6
4
RX
C2
VBAT
BAT
GND
ANA
GND
DIG
GND
VB+
VB+
20
19
+
-
18
OUT
VB+
VB+
+
A-400
TIP FEED
AMP
VBAT
IB4
-
VB1
VB2
VOLTAGE AND CURRENT
VB3
BIAS NETWORK
VB4
VB5
R17
5V
VB2 IB1 IB2 IB3 IB4 IB5 IB6 IB7 IB8 VBAT IB9 IB10 IB11
RING TRIP DETECTOR
R12
5V
A-500
OP AMP
VBAT
IB3
5V IB10 VB+
R7
VB+
-
R8
VB+ QD3 QD36
A-200
LONG’L
R20
R10
R9
I/V AMP
+
R11
IB7
VBAT
VBAT
R22
R23 VB+ VBAT
R5
R3
+
VB+
A-100
R4
TRANSV’L
I/V AMP
R1
-
VBAT
R2
IB6
R6
R16
VBAT/2 REFERENCE
R15
VB2
R14
R18
- R21
A-300
RING FEED
AMP
+
VBAT
R19
IB5
+
VBAT
VB4
IB8
SWITCH HOOK
DETECTOR
VB+
+
IB6
QD27
-
VB1
QD28
LOAD CURRENT
LIMITING
IB2
-VB5
+
GK
GND SHORTS
CURRENT
LIMITING
IB1
-
+
VB3
VBAT
STTL
AND LOGIC
INTERFACE
SH
THERMAL
LIMITING
VB5
RFC
VBAT
NC
14
NC
17
SHD
13
RC
16
PD
15
R13
VBAT
VBAT
C1
TX
5
24
RS
RD
7
8
6
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