參數(shù)資料
型號： L9500A
英文描述： High-Voltage Ringing SLIC for VolP Applications
中文描述： 高壓振鈴用戶接口應(yīng)用的福爾普
文件頁數(shù)： 3/32頁
文件大?。?/td> 616K
代理商： L9500A
Preliminary Data Sheet
September 2001
High-Voltage Ringing SLIC for VoIP Applications
L9500A
Agere Systems Inc.
3
Table of Contents
Figures
Page
Figure 1. Architecture Diagram ................................................................................................................................6
Figure 2. 28-pin PLCC Diagram ...............................................................................................................................7
Figure 3. 48-pin MLF Diagram .................................................................................................................................7
Figure 4. Basic Test Circuit ....................................................................................................................................19
Figure 5. Metallic PSRR .........................................................................................................................................20
Figure 6. Longitudinal PSRR ..................................................................................................................................20
Figure 7. Longitudinal Balance ...............................................................................................................................20
Figure 8. ac Gains ..................................................................................................................................................20
Figure 9. Ringing Waveform Crest Factor = 1.6 .....................................................................................................24
Figure 10. Ringing Waveform Crest Factor = 1.2 ...................................................................................................24
Figure 11. RING
IN
Operation ..................................................................................................................................25
Figure 12. Reference Schematic with Broadcom BCM Embedded Codec Devices and Agere
L9500 SLIC ...........................................................................................................................................26
Tables
Page
Table 1. Pin Descriptions ........................................................................................................................................8
Table 2. Control States .............................................................................................................................................9
Table 3. Supervision Coding.....................................................................................................................................9
Table 4. Recommended Operating Characteristics ..............................................................................................11
Table 5. Thermal Characteristics ............................................................................................................................11
Table 6. Environmental ...........................................................................................................................................12
Table 7. 5 V Supply Currents..................................................................................................................................12
Table 8. 5 V Powering.............................................................................................................................................12
Table 9. 3.3 V Supply Currents ..............................................................................................................................13
Table 10. 3.3 V Powering .......................................................................................................................................13
Table 11. 2-Wire Port .............................................................................................................................................14
Table 12. Analog Pin Characteristics ....................................................................................................................15
Table 13. ac Feed Characteristics ........................................................................................................................16
Table 14. Logic Inputs and Outputs (V
CC
= 5 V) ...................................................................................................17
Table 15. Logic Inputs and Outputs (V
CC
= 3.3 V) ................................................................................................17
Table 16. Ground Start ...........................................................................................................................................17
Table 17. Ringing Specifications ............................................................................................................................18
Table 18. Ring Trip .................................................................................................................................................18
Table 19. Typical Active Mode On- to Off-Hook Tip/Ring Current-Limit Transient Response ...............................22
Table 20. FB1 and FB2 Values vs. Typical Ramp Time ........................................................................................23
Table 21. Parts List L9500; Agere L9500 and Broadcom BCM3352 (per BroadcomBCM93552SV Application
Board—SLIC Daughter Boad Components); Fully Programmable ........................................................27
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