hc5503c Intersil Corporation, hc5503c Datasheet

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hc5503c

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

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Unbalanced PBX/Key System SLIC,
Subscriber Line Interface Circuit
The Intersil HC5503C is a low cost Subscriber Line Interface
Circuit (SLIC), that replaces the components of an
unbalanced discrete Analog circuit design. The monolithic
integrated design provides improved performance and
system reliability.
The SLIC provides: current limited DC feed to the subscriber
loop, maintains a flat frequency response over the voice
band and beyond, has self resetting thermal protection that
allows conversation to continue while the fault is present,
provides a TTL subscriber off-hook indication even in the
presence of longitudinal currents, provides unbalanced
2-wire transmission while maintaining an excellent
longitudinal balance and limits system power consumption
on short loops.
The HC5503C provides on-hook transmission and
longitudinal current rejection in both the on-hook or off-hook
conditions. The SLIC needs only one +5V supply in addition
to the main battery supply (-24V to -58V) for loop current.
Available in 22PDIP and 24SO packaging. The HC5503C is
ideally suited as a replacement for discrete line circuits in
low cost analog PABX’s, Small Office/Home Office products
or Small Key Systems.
Block Diagram
VB(INT)
49
V
BAT
TF
Data Sheet
LOOP FEED
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
RS
BGND
LOOP DETECTOR
VCC
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
Features
• Monolithic Integrated Device
• Single +5V Supply
• Controlled Supply of Battery Feed Current for Short Loops
• Allows Interfacing With All Ringing Systems
• Switch Hook Detection
• Low Power Consumption During Standby
Applications
• PBX Switches (Analog, Digital or ISDN)
• Key Telephone Systems (KTS)
• ISDN PC Plug in Modems
• ISDN Small Office / Home Office (SOHO) Terminal Adapt-
• CTI (Computer Telephony Integration) Products
Ordering Information
HC5503CCP
HC5503CCB
SPEECH CIRCUIT
PART NUMBER
(30mA)
ers (TA)
TIP
BIAS
AGND
RING
DGND
June 1998
C1
RANGE (
TEMP.
0 to 75
0 to 75
o
TX
RX
SHD
C)
22 Ld PDIP
24 Ld SOIC
PACKAGE
File Number 4503
HC5503C
E22.4
M24.3
PKG. NO.

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hc5503c Summary of contents

Page 1

... Data Sheet Unbalanced PBX/Key System SLIC, Subscriber Line Interface Circuit The Intersil HC5503C is a low cost Subscriber Line Interface Circuit (SLIC), that replaces the components of an unbalanced discrete Analog circuit design. The monolithic integrated design provides improved performance and system reliability. ...

Page 2

... .75V CC BAT Operating Conditions Temperature Range HC5503C Positive Supply Voltage ( 4.75V to 5.25V CC Negative Supply Voltage ( .-24V to -58V BAT High Level Logic Input Voltage 2.4V Low Level Logic Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 0.6V CAUTION: Stresses above those listed in “ ...

Page 3

... These parameters are controlled by design or process parameters and are not directly tested. These parameters are characterized upon initial design release, upon design changes which would affect these characteristics, and at intervals to assure product quality and specification compliance. Pinouts HC5503C (PDIP) TOP VIEW TIP 1 ...

Page 4

... NOTE: All grounds (AGND, BGND, and DGND) must be applied before V a user wishes to run separate grounds off a line card, the AG must be applied first. 52 HC5503C DESCRIPTION is typically 5V. CC has an operational range of -24V to -58V. Frequently ...

Page 5

... Failure may result in premature failure of the part user wishes CC BAT JUNC JUNC CD22100E DUAL OP-AMP CROSSPOINT SWITCH PIN NUMBERS GIVEN FOR SOIC PACKAGE 150 HC5503C SLIC RX DUAL OP-AMP ...

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