收藏本站
参数资料
型号： LUCL9219GAR-D
英文描述： Low-Cost Line Interface with Reverse Battery and Dual Current Limit
中文描述： 低成本线接口，具有反向电池和双电流限制
文件页数： 12/30页
文件大小： 397K
代理商： LUCL9219GAR-D
2
Agere Systems Inc.
Data Sheet
November 2001
with Reverse Battery and Dual Current Limit
L9219A/G Low-Cost Line Interface
Features ......................................................................1
Description...................................................................1
Pin Information ............................................................4
Functional Description .................................................6
Absolute Maximum Ratings (at TA = 25
°C)................7
Recommended Operating Conditions .........................7
Electrical Characteristics .............................................8
Ring Trip Requirements ..........................................12
Test Configurations ...................................................13
Applications ...............................................................15
dc Applications........................................................19
Battery Feed.........................................................19
Current Limit.........................................................19
Overhead Voltage ............................................... 19
Rate of Battery Reversal ......................................20
Loop Range..........................................................20
Off-Hook Detection...............................................20
Ring Trip Detection ............................................. 21
Longitudinal Balance...............................................21
ac Design ................................................................22
Codec Types ........................................................22
ac Interface Network ............................................22
Receive Interface .................................................22
Example 1: Real Termination (First-
Generation Codec) ...............................................23
Example 2: Complex Termination (First-
Generation Codec) ...............................................25
Power Derating .......................................................27
Pin-for-Pin Compatibility with L9217/L9218 ............27
PCB Layout Information ............................................27
Outline Diagram.........................................................28
28-Pin PLCC ...........................................................28
Ordering Information..................................................29
Figures
Page
Figure 1.
Functional Diagram...................................3
Figure 2.
28-Pin PLCC.............................................4
Figure 3.
Ring Trip Circuits ....................................12
Figure 4.
L9219 Basic Test Circuit.........................13
Figure 5.
Metallic PSRR.........................................13
Figure 6.
Longitudinal PSRR .................................13
Figure 7.
Longitudinal Balance ..............................14
Figure 8.
RFI Rejection ..........................................14
Figure 9.
Longitudinal Impedance..........................14
Figure 10. ac Gains..................................................14
Figure 11. Basic Loop Start Application
Circuit Using T7504-Type Codec............15
Figure 12. Basic Loop Start Application
Circuit Using T8536-Type Codec............17
Figure 13. Loop Current vs. Loop Voltage .............. 19
Figure 14. Off-Hook Detection Circuit ..................... 20
Figure 15. Ring Trip Equivalent Circuit
and Equivalent Application .................... 21
Figure 16. ac Equivalent Circuit .............................. 23
Figure 17. Interface Circuit Using First-
Generation Codec (
±5 V Battery) .......... 26
Figure 18. Interface Circuit Using First-
Generation Codec (5 V Only Codec) ..... 26
Tables
Page
Table 1.
Pin Descriptions ..................................... 4
Table 2.
Input State Coding .................................. 6
Table 3.
Supervision Coding ................................ 6
Table 4.
Power Supply .......................................... 8
Table 5.
2-Wire Port .............................................. 9
Table 6.
Analog Pin Characteristics .................... 10
Table 7.
ac Feed Characteristics ........................ 11
Table 8.
Logic Inputs and Outputs ...................... 12
Table 9.
Parts List for Loop Start Application
Circuit Using T7504-Type Codec ......... 16
Table 10.
200 W + 680 W || 0.1 mF First-
Generation Codec Design Parameters . 17
Table 11.
Parts List for Loop Start Application
Circuit Using T8536-Type Codec ......... 18
Table 12.
FB1/FB2 Values vs. Typical Ramp
Time ...................................................... 20
Table of Contents
Contents
Page
Figures
Page
相关PDF资料
PDF描述
LUCL9219GAR-DT Low-Cost Line Interface with Reverse Battery and Dual Current Limit
LUPXA255A0C200 32-BIT, 200 MHz, MICROPROCESSOR, PBGA256
LUPXA255A0C300 32-BIT, 300 MHz, MICROPROCESSOR, PBGA256
LV100 Voltage Transducer LV 100
LV200-AW Voltage Transducer LV 200-AW/2
相关代理商/技术参数
参数描述
LUCL9219GAR-DT 制造商:AGERE 制造商全称:AGERE 功能描述:Low-Cost Line Interface with Reverse Battery and Dual Current Limit
LUCL9310AP-D 制造商:AGERE 制造商全称:AGERE 功能描述:Line Interface and Line Access Circuit Full-Feature SLIC,Ringing Relay,and Test Access Device
LUCL9310AP-DT 制造商:AGERE 制造商全称:AGERE 功能描述:Line Interface and Line Access Circuit Full-Feature SLIC,Ringing Relay,and Test Access Device
LUCL9310GP-D 制造商:AGERE 制造商全称:AGERE 功能描述:Line Interface and Line Access Circuit Full-Feature SLIC,Ringing Relay,and Test Access Device
LUCL9310GP-DT 制造商:AGERE 制造商全称:AGERE 功能描述:Line Interface and Line Access Circuit Full-Feature SLIC,Ringing Relay,and Test Access Device
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*