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HC5526CM fiches techniques PDF

Intersil Corporation - ITU CO/PABX SLIC with Low Power Standby

Numéro de référence HC5526CM
Description ITU CO/PABX SLIC with Low Power Standby
Fabricant Intersil Corporation 
Logo Intersil Corporation 





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HC5526CM fiche technique
Data Sheet
HC5526
October 1998
File Number 4151.6
ITU CO/PABX SLIC with Low Power
Standby
The HC5526 is a subscriber line interface circuit that is
compliant with CCITT standards. Enhancements include
immunity to circuit latch-up during hot plug and absence of
false signaling in the presence of longitudinal currents.
The HC5526 is fabricated in a High Voltage Dielectrically
Isolated (DI) Bipolar Process that eliminates leakage
currents and device latch-up problems normally associated
with Junction Isolated (JI) ICs. The elimination of the
leakage currents results in improved circuit performance for
wide temperature extremes. The latch free benefit of the DI
process guarantees operation under adverse transient
conditions. This process feature makes the HC5526 ideally
suited for use in harsh outdoor environments.
Ordering Information
PART NUMBER
HC5526CM
HC5526CP
HC5526IM
HC5526IP
TEMP.
RANGE (oC)
PACKAGE
0 to 70 28 Ld PLCC
0 to 70 22 Ld PDIP
-40 to 85 28 Ld PLCC
-40 to 85 22 Ld PDIP
PKG.
NO.
N28.45
E22.4
N28.45
E22.4
Block Diagram
Features
• DI Monolithic High Voltage Process
• Programmable Current Feed (20mA to 60mA)
• Programmable Loop Current Detector Threshold and
Battery Feed Characteristics
• Ground Key and Ring Trip Detection
• Compatible with Ericsson’s PBL3764
• Thermal Shutdown
• On-Hook Transmission
• Wide Battery Voltage Range (-24V to -58V)
• Low Standby Power
• Meets CCITT Transmission Requirements
• -40oC to 85oC Ambient Temperature Range
Applications
• On-Premises (ONS)
• Key Systems
• PBX
• Related Literature
- AN9537, Operation of the HC5513/26 Evaluation Board
RINGRLY
DT
DR
TIP
RING
HPT
HPR
RING RELAY
DRIVER
RING TRIP
DETECTOR
2-WIRE
INTERFACE
VBAT
VCC
VEE
AGND
BGND
BIAS
LOOP CURRENT
DETECTOR
GROUND KEY
DETECTOR
4-WIRE
INTERFACE
VF SIGNAL
PATH
DIGITAL
MULTIPLEXER
VTX
RSN
E0
E1
C1
C2
DET
RD
RDC
RSG
57 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999

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