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ISL5585 Datasheet

  • ISL5585

  • 3.3V Ringing SLIC Family for Voice Over Broadband (VOB)

  • 456.00KB

  • 24页

  • INTERSIL   INTERSIL

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ISL5585
Data Sheet
October 2003
FN6026.4
3.3V Ringing SLIC Family for Voice Over
Broadband (VOB)
The 3.3V family of ringing subscriber line interface circuits
(SLIC) supports analog Plain Old Telephone Service
(POTS) in short and medium loop length, wireless and
wireline voice over broadband applications. Ideally suited for
customer premise equipment, this family of products offers
flexibility to designers with high ringing voltage and low
power consumption system requirements.
The ISL5585 family is capable of operating with 100V ringing
battery supply, which translates directly to the amount of
ringing voltage supplied to the subscriber. With the high
operating voltage, subscriber loop lengths can be extended
to 500鈩?(i.e., 5,000 feet) and beyond, allowing this family to
serve emerging Fiber In The Loop (FITL) markets.
Other key features across the product family include: 3.3V
V
CC
operation, low power consumption, ringing using
sinusoidal or trapezoidal waveforms, robust auto-detection
mechanisms for when subscribers go on or off hook, and
minimal external discrete application components.
Integrated test access features are also offered on selected
products to support loopback testing as well as line
measurement tests.
There are ten product offerings of the ISL5585 providing
various grades of ringing battery voltage and longitudinal
balance.
Features
鈥?3.3V Operation
鈥?Onboard Ringing Generation
鈥?Low Standby Power Consumption (75V, 65mW)
鈥?Programmable Transient Current Limit
鈥?Improved Off Hook Software Interface
鈥?Integrated MTU DC Characteristics
鈥?Low External Component Count
鈥?Silent Polarity Reversal
鈥?Pulse Metering and On Hook Transmission
鈥?Tip Open Ground Start Operation
鈥?Balanced and Unbalanced Ringing
鈥?Thermal Shutdown with Alarm Indicator
鈥?28 Lead Surface Mount Packaging
鈥?Reduced Footprint Quad Flatpack No-lead (QFN)
Packaging
Applications
鈥?Short Loop Access Platforms
鈥?Voice Over Internet Protocol (VoIP)
鈥?Voice Over Cable and DSL Modems
鈥?Internet Protocol PBX
Block Diagram
POL
ILIM
CDC
VBL
VBH
鈥?FiberTo The Home (FTTH)
鈥?Remote Subscriber Units
DC
CONTROL
BATTERY
SWITCH
RINGING
PORT
VRS
鈥?Ethernet Terminal Adapters
Related Literature
TIP
RING
TL
2-WIRE
PORT
TRANSIENT
CURRENT
LIMIT
TRANSMIT
SENSING
4-WIRE
PORT
鈥?AN1038, User鈥檚 Guide for Development Board
AUX
VTX
-IN
VFB
鈥?AN9824, Modeling of the AC Loop
鈥?TB379 Thermal Characterization of Packages for ICs
鈥?AN9922, Thermal Characterization and Modeling of the
RSLIC18 in the Micro Leadframe Package
SW+
SW-
TEST
ACCESS
DETECTOR
LOGIC
CONTROL
LOGIC
F2
F1
F0
RT SH E0 DET ALM
BSEL SWC
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright 漏 Intersil Americas Inc. 2003. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.

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