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參數資料
| 型號： | L9310 |
| 英文描述： | Line Interface and Line Access Circuit Full-Feature SLIC,Ringing Relay,and Test Access Device |
| 中文描述： | 線路接口和線路接入電路全功能用戶接口，振鈴繼電器，測試接入設備 |
| 文件頁數： | 2/60頁 |
| 文件大小： | 1053K |
| 代理商： | L9310 |
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Data Sheet
July 2001
Full-Feature SLIC, Ringing Relay, and Test Access Device
L9310 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
Line Test Marix.......................................................1
Applications...............................................................1
Description................................................................1
Features ......................................................................4
Description...................................................................4
Architecture .................................................................9
Pin Information ..........................................................10
Operating States........................................................14
Input State Coding ..................................................14
State Definitions ........................................................16
Primary Control Modes ...........................................16
Powerup, Forward Battery....................................16
Powerup, Reverse Battery ...................................16
Scan .....................................................................16
Ground Start.........................................................16
Ringing.................................................................17
Disconnect
—Break Before Make.........................17
Tip Amp................................................................17
Ring Amp .............................................................17
Tip and Ring Amp.................................................17
Reset....................................................................17
Secondary Control Mode States.............................17
Voltage: Tip to Ground .........................................17
Voltage: Ring to Ground.......................................17
Voltage: Tip to Ring..............................................17
Current: Tip to Ring—VTX ...................................18
Current: Tip to Ring—VITR ..................................18
Reference Voltage ...............................................18
PPM On................................................................18
PPM Off/TEST Off................................................18
Special States.........................................................18
Thermal Shutdown...............................................18
Battery Out of Range ...........................................19
Absolute Maximum Ratings ......................................19
Electrical Characteristics ...........................................20
Ring Trip Detector...................................................21
PPM ........................................................................21
Test ........................................................................22
SLIC Two-Wire Port................................................23
Analog Pin Characteristics......................................25
ac Feed Characteristics ..........................................26
Logic Inputs and Outputs, V
DD
= 5.0 V ...................27
Timing Requirements..............................................27
Switch Characteristics.............................................28
On-State Switch I-V Characteristics........................29
Test Configurations ...................................................30
Applications ...............................................................32
dc Characteristics ...................................................32
Power Control.......................................................32
Power Derating.....................................................32
Automatic Battery Switch .....................................33
Contents
Page
Power Control Resistor ....................................... 34
dc Loop Current Limit.......................................... 34
Overhead Voltage ............................................... 35
Loop Range......................................................... 36
Battery Feed........................................................ 36
Battery Reversal Rate ......................................... 37
Longitudinal to Metallic Balance.......................... 37
Supervision............................................................... 37
Loop Closure.......................................................... 37
Ring Trip ............................................................... 38
Tip or Ring Ground Detector.................................. 38
Switching Behavior................................................. 38
Make-Before-Break Operation............................... 38
Break-Before-Make Operation............................... 39
Protection ................................................................. 39
External Protection................................................. 39
Active Mode Response at PT/PR........................... 40
Ring Mode Response at PT/PR............................. 41
Internal Tertiary Protection..................................... 41
Diode Bridge........................................................ 41
Battery Out of Range Detector: High
(Magnitude) ................................................. 41
Battery Out of Range Detector: Low
(Magnitude) ................................................. 41
Special Functions ..................................................... 42
Periodic Pulse Metering (PPM).............................. 42
Line Test ................................................................ 42
ac Applications ......................................................... 44
ac Parameters........................................................ 44
Codec Types.......................................................... 44
ac Interface Network.............................................. 44
Design Tools.......................................................... 45
First-Generation Codec ac Interface Network........ 45
First-Generation Codec ac Interface
Network: Resistive Termination................... 46
Example 1, Real Termination.............................. 47
Hybrid Balance....................................................... 47
First-Generation Codec ac Interface
Network: Complex Termination ................... 50
Complex Termination Impedance Design .......... 50
ac Interface Using First-Generation Codec......... 50
Set Z
TG
—Gain Shaping....................................... 50
Transmit Gain...................................................... 51
Receive Gain....................................................... 52
Hybrid Balance.................................................... 52
Blocking Capacitors............................................. 53
Basic Loop Start Application Using T7504
Type Codec ................................................. 54
Third-Generation Codec ac Interface
Network: Complex Termination ................... 57
Outline Diagram........................................................ 59
44-Pin PLCC.......................................................... 59
Ordering Information................................................. 60
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