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LUCL9500AGF-D Datasheet(PDF) 2 Page - Agere Systems |
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2 / 32 page Preliminary Data Sheet September 2001 High-Voltage Ringing SLIC for VoIP Applications L9500A 2 Agere Systems Inc. Table of Contents Contents Page L9500A Introduction ..................................................................................................................................................1 Features ..................................................................................................................................................................1 Applications.............................................................................................................................................................1 Description ..............................................................................................................................................................1 Features ....................................................................................................................................................................4 Description.................................................................................................................................................................4 Architecture Diagram .................................................................................................................................................6 Pin Information ..........................................................................................................................................................7 Operating States........................................................................................................................................................9 State Definitions ......................................................................................................................................................10 Forward Active ......................................................................................................................................................10 Reverse Active ......................................................................................................................................................10 Scan ......................................................................................................................................................................10 On-Hook Transmission—Forward Battery ............................................................................................................10 On-Hook Transmission—Reverse Battery ............................................................................................................10 Disconnect ............................................................................................................................................................10 Ring.......................................................................................................................................................................10 Ground Start .........................................................................................................................................................10 Thermal Shutdown ................................................................................................................................................10 Absolute Maximum Ratings (@ TA = 25 °C) ............................................................................................................11 Electrical Characteristics .........................................................................................................................................12 Test Configurations .................................................................................................................................................19 Applications .............................................................................................................................................................21 Power Control .......................................................................................................................................................21 dc Loop Current Limit............................................................................................................................................22 Overhead Voltage .................................................................................................................................................22 Active Mode .......................................................................................................................................................22 Scan Mode .........................................................................................................................................................22 On-Hook Transmission Mode.............................................................................................................................22 Ring Mode ..........................................................................................................................................................22 Loop Range ..........................................................................................................................................................22 Battery Reversal Rate ...........................................................................................................................................23 Supervision ...........................................................................................................................................................23 Loop Closure.........................................................................................................................................................23 Ring Trip ...............................................................................................................................................................23 Ground Start .........................................................................................................................................................23 Power Ring ...........................................................................................................................................................24 Sine Wave Input Signal and Sine Wave Power Ring Signal Output ..................................................................24 ac Applications ........................................................................................................................................................25 ac Parameters.......................................................................................................................................................25 Design Examples ..................................................................................................................................................26 First-Generation Codec ac Interface Network—Resistive Termination..............................................................26 Broadcom 3352 Interface Network........................................................................................................ .............26 Outline Diagrams.....................................................................................................................................................28 28-Pin PLCC .........................................................................................................................................................28 48-Pin MLCC ........................................................................................................................................................29 48-Pin MLCC, JEDEC MO-220 VKKD-2...............................................................................................................30 Ordering Information ...............................................................................................................................................31 |
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