hc5503c Intersil Corporation, hc5503c Datasheet - Page 5

• Manufacturer Part Number: hc5503c
• Description: Unbalanced Pbx/key System Slic, Subscriber Line Interface Circuit
• Manufacturer: Intersil Corporation

Applications Diagram
Typical Component Values
C
C
NOTES:
Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time with-
out notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
4. Secondary protection diode bridge recommended is a 2A, 200V type.
5. All grounds (AG, BG, and DG) must be applied before V
6. Application shows Ring Injected Ringing.
1
2
= 0.3 F, 30V, 20%
= 0.01 F, 100V, 20%
to run separate grounds off a line card, the AG must be applied first.
All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
SUBSCRIBER
LOOP
RING
TIP
HC5503C
HC5503C
SLIC
SLIC
PRIMARY
PROTEC-
TION
FIGURE 1. TYPICAL LINE CIRCUIT APPLICATION WITH THE MONOLITHIC SLIC
For information regarding Intersil Corporation and its products, see web site http://www.intersil.com
53
PTC
Z
RX
TX
K
1
K
1A
1A
FIGURE 2. TYPICAL ANALOG KEY SYSTEM CONNECTION
(NOTE 4)
OP-AMP
DUAL
R
R
-48V
B1
B3
R
B2
JUNC
V
5V
R
BAT
B4
10
CC
1
9
2
or V
RS
TIP
TIP FEED
VB(INT)
RING
RING GENERATOR
V
-48V
BAT
HC5503C
11
CROSSPOINT
BAT
CD22100E
SWITCH
SYSTEM CONTROLLER
C
. Failure to do so may result in premature failure of the part. If a user wishes
BGND DGND AGND
SHD
2
13
12
HC5503C
R
C
C
C5 = 0.5 F, 20V, 20%
PTC used as ring generator ballast.
SLIC
B1
3
4
= 0.01 F, 20V, 20%
= 0.5 F, 20V, 20%
6
= R
JUNC
B2
23
= R
PIN NUMBERS GIVEN FOR SOIC PACKAGE.
C
RX
OP-AMP
TX
V
3
V
T3
T2
T1
DUAL
B3
C1
CC
CC
3
= R
19
24
20
18
21
5
C
B4
1
C
C
= 150
RX
5
TX
4
HC5503C
SLIC