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參數資料
| 型號： | L9313 |
| 英文描述： | Line Interface and Line Access Circuit Full-Feature SLIC and Ringing for TR-57 Applications |
| 中文描述： | 線路接口和線路接入電路全功能SLIC和敲響訓練班- 57應用 |
| 文件頁數： | 2/40頁 |
| 文件大小： | 746K |
| 代理商： | L9313 |
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Data Sheet
September 2001
Full-Feature SLIC and Ringing Relay for TR-57 Applications
L9313 Line Interface and Line Access Circuit
2
Agere Systems Inc.
Table of Contents
Contents
Page
Introduction..................................................................1
Features....................................................................1
SLIC .......................................................................1
Solid-State Ring Relay...........................................1
Applications...............................................................1
Description................................................................1
Features ......................................................................4
Description...................................................................4
Architecture .................................................................7
Pin Information ............................................................8
Operating States........................................................10
Input State Coding ..................................................10
State Definitions ........................................................11
Primary Control Modes ...........................................11
Powerup, Forward Battery....................................11
Powerup, Reverse Battery ...................................11
Scan.....................................................................11
Ground Start.........................................................12
Ringing.................................................................12
Disconnect
—Break Before Make.........................12
Tip Amp................................................................12
Ring Amp .............................................................12
Reset....................................................................12
Special States.........................................................12
Thermal Shutdown...............................................12
Battery Out of Range ...........................................12
Absolute Maximum Ratings ......................................13
Electrical Characteristics...........................................14
Ring Trip Detector...................................................15
SLIC Two-Wire Port................................................16
Analog Pin Characteristics......................................17
ac Feed Characteristics ..........................................18
Logic Inputs and Outputs, V
CC
= 5.0 V ...................19
Timing Requirements..............................................19
Switch Characteristics.............................................20
On-State Switch I-V Characteristics........................21
Test Configurations ...................................................22
Applications...............................................................24
dc Characteristics ...................................................24
Power Control.......................................................24
Power Derating.....................................................24
Contents
Page
Automatic Battery Switch .................................... 25
Power Control Resistor ....................................... 25
Overhead Voltage ............................................... 26
dc Loop Current Limit.......................................... 27
Loop Range......................................................... 27
Battery Feed........................................................ 27
Battery Reversal Rate......................................... 28
Longitudinal to Metallic Balance.......................... 28
Supervision............................................................... 29
Loop Closure.......................................................... 29
Ring Trip ................................................................ 29
Ring Ground Detector............................................ 29
Switching Behavior................................................. 29
Make-Before-Break Operation............................... 29
Break-Before-Make Operation............................... 30
Protection ................................................................. 30
External Protection................................................. 30
Active Mode Response at PT/PR........................... 31
Ring Mode Response at PT/PR............................. 31
Internal Tertiary Protection..................................... 32
Diode Bridge........................................................ 32
Battery Out of Range Detector: High
(Magnitude) ................................................. 32
Battery Out of Range Detector: Low
(Magnitude) ................................................. 32
ac Applications ......................................................... 32
ac Parameters........................................................ 32
Codec Types.......................................................... 32
First-Generation Codecs..................................... 33
Third-Generation Codecs.................................... 33
ac Interface Network.............................................. 33
Design Tools.......................................................... 34
First-Generation Codec ac Interface Network........ 34
First-Generation Codec ac Interface
Network: Resistive Termination................... 35
Example 1, Real Termination.............................. 35
Third-Generation Codec ac Interface
Network: Complex Termination ................... 38
Outline Diagram........................................................ 40
Ordering Information................................................. 40
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