HC-5509B_03 Datasheet, PDF (6/9 Pages) Intersil Corporation – ITU CO/Loop Carrier SLIC

Pinout
HC-5509B (SOIC)
TOP VIEW
AG 1
VB+ 2
C_{1 3}
F1 ₄
F0 5
RS 6
SHD 7
GKD 8
TST 9
ALM 10
I_LMT 11
OUT 1 12
-IN 1 13
TIP 14
28 BG
27 VB-
26 RF
25 TF
24 VFB
23 _RD
22 DG
21 _PR
20 PRI
19 VTX
18 C₂
17 VRX
16 RFS
15 RING
HC-5509B
TRUTH TABLE
F1
F0
ACTION
0
0 Normal Loop Feed
0
1 RD Active (Ringing)
1
0 Power Down Latch RESET
1
0 Power On RESET
1
1 Loop Power Denial Active
Functional Diagram
SOIC
25
TF
14
TIP
15
RING
16
RFS
R
-
TF
+
R
R
R
R
4.5K
R
2R
R/2
2R
2R
-
TA
+
2R
100K
100K
100K
100K
4.5K
25K
-
LA
+
25K
90K
90K
VRX OUT 1
17
12
RF₁
-IN 1
VFB
13
24
- _{OP AMP}
+
SHD
RTD
90K
GKD
FAULT
DET
26
RF
R = 108kΩ
-
RF
+
90K
3
VB/2
REF
-
GM
18
+
C1
C2
VTX _VB+
19
2
DG
22
AG
1
28
BIAS
NETWORK
27
4
5
SH
6
THERM
LTD
TSD
9
20
GK
21
23
7
8
RFC
10
RF₂
11
I_LMT
BG
VB-
F1
F0
RS
TST
PRI
PR
RD
SHD
GKD
ALM
6