RIEF I-QUAD 2494EL V1.1 ISDN Echocancellation Circuit 4

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RIEF I-QUAD 2494EL V1.1 ISDN Echocancellation Circuit 4

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RODUCT
RIEF
I-QUAD
2494EL V1.1
ISDN Echocancellation Circuit 4-Channel 2B1Q Line Code
Following trend towards highly integrated ISDN IDSL linecards, I-QUAD first 2B1Q-onechip-transceiver providing ISDN basic rate access IDSL access 144kbps. proven LFBGA176 package sized 13x13mm2 saves linecard-costs makes 32-, more U-interfaces unit even possible. I-QUAD fulfills relevant ANSI, ETSI standards. based widely used IEC4-Q chipset consisting analog frontend PEB/F 24902 (AFE) digital frontend PEB/F 24911 (DFE-Q), minimizing efforts adapt existing designs.
Applications
Central office digital linecards Access network linecards linecards IDSL linecards
Features
chip solution featuring full duplex data transmission reception over two-wire metallic subscriber loops providing ISDN basic rate access IDSL access 144kbit/s Full compliant ANSI T1.601 (1998) ETSI (1998) Recommendation ITU-T G.961 Meets requirements ANSI ETSI loops 2B1Q block code symbol rate
mode power consumption IOM®-2 interface stand alone mode Max. IOM®-2 data rate Mbit/s (DCL=8MHz) Activation deactivation Masterclock generated Automatic polarity adaption Automatic gain control Adaptive echocancellation Adaptive equalization Internal register access MON-12 Optimized LT-state machine relay driver pins channel switch relays power controller status pins channel JTAG boundary scan
ISDN/IDSL
Dedicated pins test modes Internal digital analog local loops Error Rate Measurement port Analog digital frontend accessible independently providing good testability DOUT configurable either open drain push-pull (tristate) output Extended temperature range (-40°C +85°C) P-LFBGA-176 package SW-compatibility IEC4-Q chipset Part Infineon System Solution
ISDN/IDSL
4-Channel One-Chip Transceiver
I-QUAD Block Diagram
Analog Frontend
Trafo Hybrid
RODUCT
RIEF
Digital Frontend Protocol Processing Unit
2B1Q Encoder Echo Canceller Scrambler Framing System Interface Unit
IOM®-2
Filter
Equalizer
2B1Q Decoder
DeScrambler
DeFraming
Level Detection Wake
Timing Recovery
Activation/Deactivation Controller
Bandgap, Bias, Refer.
Clock Generation
Mode Setting
Control
Clocks
Mode Pins
General Purpose I/Os
Ordering Code Type 2494EL V1.1 Package LFBGA-176 Sales Code Q67237-H1241 Availability development
Tools Documentation Name Data Sheet 2494 V1.1 Application-note Smart 2494 V1.1 Evaluationboard Q67230-H1242 Sales Code Status preparation preparation development
Test Unit
Application Example ISDN/IDSL Linecard
I-QUAD V1.1 2494
IOM®-2
DELIC-PPEB 20571 Signalling
Q-IHPC
2426
VBAT
reach http://www.infineon.com Published Infineon Technologies Bereich Kommunikation, St.-Martin-Strasse D-81541 Infineon Technologies 2000. Rights Reserved.
Attention please! information herein given describe certain components shall considered warranted characteristics. Terms delivery rights technical change reserved. hereby disclaim warranties, including limited warranties non-infringement, regarding circuits, descriptions charts stated herein. Infineon Technologies approved CECC manufacturer. Information further information technology, delivery terms conditions prices please contact your nearest Infineon Technologies Office Germany Infineon Technologies Representatives worldwide.
Warnings technical requirements components contain dangerous substances. information types question please contact your nearest Infineon Technologies Office. Infineon Technologies Components only used lifesupport devices systems with express written approval Infineon Technologies, failure such components reasonably expected cause failure that life-support device system, affect safety effectiveness that device system. Life support devices systems intended implanted human body, support and/or maintain sustain and/or protect human life. they fail, reasonable assume that health user other persons endangered. Ordering B000-H0000-X-X-7600 Printed Germany 02003.
Published Infineon Technologies

RIEF I-QUAD 2494EL V1.1 ISDN Echocancellation Circuit 4

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