HC-5502B1 Datasheet, PDF (7/12 Pages) Intersil Corporation – SLIC Subscriber Line Interface Circuit

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 V_{BAT GND GND VB+ GND} V_B+ C1
+
-
V_B+
18
OUT
V_B1
V_B2
VOLTAGE AND CURRENT
V_B3
BIAS NETWORK
V_B4
V_B5
V_B+
+ ^R17
-5V
A-400
TIP FEED
AMP -
V_{B2 IB1 IB2 IB3 IB4 IB5 IB6 IB7 IB8 VBAT IB9 IB10 IB11}
V_BAT
I_B4
R₁₂
RING TRIP
DETECTOR
-
A-500
OP AMP
+
V_BAT
I_B3
-5V I_B10 V_B+
R₇
V_B+
5V
R₈
V_B+
R₁₀
R_{9 VBAT}
V_B+
R₃
R₄
R₁
R₂
R₁₆
R₁₅
A-300
RING FEED
AMP
Q_D3 Q_D36
R₁₁
V_BAT
A-200
LONG’L
I/V AMP
I_B7
R₅
R₂₀
V_BAT
V_B+
A-100
TRANSV’L
I/VAMP
I_B6
V_BAT
R₆
V_BAT/2 REFERENCE
V_B2
R₁₄
R₂₁
R₁₈
+
V_BAT
V_B4
I_B8
SWITCH HOOK
DETECTOR
V_B+
+
V_{- B1}
I_B9
Q_D27
Q_D28
LOOP CURRENT
LIMITING
I_B2
V_B5
GK
GND SHORTS
CURRENT
LIMITING
I_B1
-
+
V_B3
V_BAT
IIL
LOGIC
INTERFACE
SH
THERMAL
LIMITING
V_B5
RFC
V_{BAT IB5}
+
R₁₉
V_BAT
GKD ¹⁴
C2 17
SHD 13
RC 16
PD 15
R₁₃
V_BAT
V_BAT
C3
TX
5
24
RS
RD
7
8
4-7