參數(shù)資料
型號： L9500A
英文描述： High-Voltage Ringing SLIC for VolP Applications
中文描述： 高壓振鈴用戶接口應用的福爾普
文件頁數(shù)： 2/32頁
文件大?。?/td> 616K
代理商： L9500A
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 (@ T
A
= 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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