HC-5509A1 Intersil Corporation, HC-5509A1 Datasheet - Page 8

• Manufacturer Part Number: HC-5509A1
• Description: Slic Subscriber Line Interface Circuit
• Manufacturer: Intersil Corporation

Functional Diagram (Continued)
+
LA
+
TA
25k
C1
25k
2R
R/2
2R
2R
2R
R
4
90k
VRX
LAO
31
27
RF1
OUT 1
VB/2
REF
19
GKD
RTD
SHD
PLCC
+
C2
44
-IN 1
OP AMP
20
FAULT
DET
VFB
GM
38
+
VTX
ILMT
THERM
32
HC-5509A1
LTD
18
RF2
VB
8-138