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參數資料
| 型號： | L8574D |
| 英文描述： | CAP 15PF 50V 5% C0G SMD-0402 TR-7-PA SN100 |
| 中文描述： | L8574D電阻用戶線接口電路（SLIC），環繼電器和保護（SRP）的為遠距離和TR - 57應用 |
| 文件頁數： | 2/36頁 |
| 文件大小： | 489K |
| 代理商： | L8574D |
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2
Lucent Technologies Inc.
Data Sheet
October 1998
Relay, and Protector (SRP) for Long Loop and TR-57 Applications
L8574D Resistive Subscriber Line Interface Circuit (SLIC), Ring
Table of Contents
Contents
Page
Features ....................................................................................................................................................................1
Description ................................................................................................................................................................1
Architectural Diagram................................................................................................................................................4
Pin Information ..........................................................................................................................................................4
Absolute Maximum Ratings.......................................................................................................................................6
Electrical Characteristics...........................................................................................................................................7
Ring Trip Detector ...................................................................................................................................................8
Battery Feed ...........................................................................................................................................................8
Fault Protection.......................................................................................................................................................9
Transmission Characteristics................................................................................................................................13
Data Interface and Logic.......................................................................................................................................14
Switch Characteristics...........................................................................................................................................15
Operating States......................................................................................................................................................16
Scan State ............................................................................................................................................................16
Disconnect State...................................................................................................................................................17
Alternate Talk State...............................................................................................................................................17
Talk State..............................................................................................................................................................17
Scan Current-Limit State.......................................................................................................................................17
Ringing State ........................................................................................................................................................17
On-Hook Transmission State ................................................................................................................................17
Intermediate Talk State .........................................................................................................................................18
Applications.............................................................................................................................................................18
General.................................................................................................................................................................18
Resistor Module....................................................................................................................................................22
Protection..............................................................................................................................................................24
Tip/Ring Drivers....................................................................................................................................................25
Receive Interface..................................................................................................................................................25
Transmit Interface..................................................................................................................................................25
Battery Noise Cancellation ...................................................................................................................................25
On-Hook Transmission..........................................................................................................................................26
Parallel Data Interface...........................................................................................................................................26
Supervision...........................................................................................................................................................26
Off-Hook Detection ...............................................................................................................................................26
Ring Trip................................................................................................................................................................26
Thermal Shutdown................................................................................................................................................27
Relay Driver ..........................................................................................................................................................27
Solid-State Ringing Access...................................................................................................................................27
Battery Supplies....................................................................................................................................................27
dc Characteristics....................................................................................................................................................27
V-I Characteristics.................................................................................................................................................27
Loop Length..........................................................................................................................................................28
ac Design.................................................................................................................................................................28
Codec Features and Selection Summary.............................................................................................................28
Design Equations..................................................................................................................................................29
Application Diagram ................................................................................................................................................33
Outline Diagram.......................................................................................................................................................34
44-Pin PLCC.........................................................................................................................................................34
Ordering Information................................................................................................................................................35
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PDF描述 |
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| L8575 | Dual-Resistive,Low-Cost Subscriber Line Interface Circuit(SLIC) |
| L8576B | Dual Ringing SLIC |
| L8712(FECONLY) | IC TUBE FOR TO-220 508MM |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| L8575 | 制造商:Leviton Manufacturing Co 功能描述: |
| L8576B | 制造商:AGERE 制造商全稱:AGERE 功能描述:Dual Ringing SLIC |
| L8576BP | 制造商:Alcatel-Lucent 功能描述: 制造商:LUCENT 功能描述: |
| L85J250E | 制造商:Ohmite Mfg Co 功能描述: |
| L8601-01 | 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:90KV MICROFOCUS X-RAY SOURCE |
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