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参数资料
| 型号： | ATTL7554BP-TR |
| 英文描述： | L7554 Low-Power SLIC |
| 中文描述： | L7554低功耗用户接口 |
| 文件页数： | 2/28页 |
| 文件大小： | 486K |
| 代理商： | ATTL7554BP-TR |
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2
Lucent Technologies Inc.
Data Sheet
March 1997
L7554 Low-Power SLIC
Table of Contents
Content
Page
Features .................................................................................................................................................................. 1
Description ............................................................................................................................................................... 1
Pin Information ......................................................................................................................................................... 4
Functional Description.............................................................................................................................................. 6
Absolute Maximum Ratings ..................................................................................................................................... 6
Recommended Operating Conditions ..................................................................................................................... 7
Electrical Characteristics......................................................................................................................................... 7
Ring Trip Requirements..................................................................................................................................... 11
Test Configurations ............................................................................................................................................... 12
Applications ........................................................................................................................................................... 14
Design Considerations ....................................................................................................................................... 16
Characteristic Curves......................................................................................................................................... 17
dc Applications ................................................................................................................................................... 20
Battery Feed.................................................................................................................................................... 20
Overhead Voltage .......................................................................................................................................... 20
Adjusting Overhead Voltage ........................................................................................................................... 21
Adjusting dc Feed Resistance......................................................................................................................... 22
Adjusting Overhead Voltage and dc Feed Resistance Simultaneously .......................................................... 22
Loop Range..................................................................................................................................................... 22
Off-Hook Detection ......................................................................................................................................... 22
Ring Trip Detection......................................................................................................................................... 23
Ring Ground Detection................................................................................................................................... 23
ac Design ........................................................................................................................................................... 24
First-Generation Codecs.................................................................................................................................. 24
Second-Generation Codecs ............................................................................................................................ 24
Third-Generation Codecs ................................................................................................................................ 24
Selection Criteria ............................................................................................................................................. 24
PCB Layout Information ......................................................................................................................................... 26
Outline Diagram...................................................................................................................................................... 27
44-Pin PLCC....................................................................................................................................................... 27
Ordering Information........................................................................................................................................... 28
相关PDF资料 |
PDF描述 |
|---|---|
| ATTL7554P-TR | L7554 Low-Power SLIC |
| ATTL7554AP | LH1263 E&M Signaling Circuit |
| AU01Z | Fast-Recovery Rectifier Diodes |
| AU02Z | Fast-Recovery Rectifier Diodes |
| AU01 | ER 3C 2#16 1#8 SKT PLUG |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ATTL7554P-TR | 制造商:AGERE 制造商全称:AGERE 功能描述:L7554 Low-Power SLIC |
| ATTL7556AAU | 制造商:未知厂家 制造商全称:未知厂家 功能描述:LH1263 E&M Signaling Circuit |
| ATTL7556AAU-TR | 制造商:AGERE 制造商全称:AGERE 功能描述:Low-Power SLICs with Battery Switch |
| ATTL7557AAU | 制造商:AGERE 制造商全称:AGERE 功能描述:Low-Power SLICs with Battery Switch |
| ATTL7557AAU-TR | 制造商:AGERE 制造商全称:AGERE 功能描述:Low-Power SLICs with Battery Switch |
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