參數(shù)資料
型號： L9215A
廠商： Lineage Power
英文描述： Short-Loop Sine Wave Ringing SLIC(短環(huán)路正弦波振鈴用戶接口（SLIC）)
中文描述： 短回路正弦波振鈴用戶接口（短環(huán)路正弦波振鈴用戶接口電路（SLIC））
文件頁數(shù)： 3/46頁
文件大?。?/td> 1165K
代理商： L9215A
Advance Data Sheet
October 2000
Short-Loop Sine Wave Ringing SLIC
L9215A/G
Lucent Technologies Inc.
3
Table of Contents
(continued)
Figures
Page
Figure 1. Architecture Diagram ...................................7
Figure 2. 32-Pin PLCC Diagram .................................8
Figure 3. Basic Test Circuit ......................................21
Figure 4. Metallic PSRR ...........................................22
Figure 5. Longitudinal PSRR ....................................22
Figure 6. Longitudinal Balance .................................22
Figure 7. ac Gains ....................................................22
Figure 8. Ringing Waveform Crest Factor = 1.6 .......26
Figure 9. Ringing Waveform Crest Factor = 1.2 .......26
Figure 10. Ring Mode Typical Operation...................27
Figure 11. RING
IN
Operation ....................................27
Figure 12. Sine Wave Signal Providing Ringing
Input to RING
IN
.........................................28
Figure 13. Modulation Waveforms ............................28
Figure 14. 5 V PWM Signal Amplitude ......................29
Figure 15. Ringing Output on RING, with
Vcc = 5 V..................................................29
Figure 16. 3.3 V PWM Signal Amplitude ...................29
Figure 17. Ringing Output on RING, with
Vcc = 3.1 V...............................................29
Figure 18. Low-Voltage Square Wave Signal
Providing Ringing Input to RING
IN
............30
Figure 19. Square Wave Input Signal and Trapezoidal
Power Ring Signal Output........................30
Figure 20. Crest Factor vs. Battery Voltage...............31
Figure 21. Crest Factor vs. R (k
) ............................31
Figure 22. ac Equivalent Circuit ................................34
Figure 23. Lucent T7504 First-Generation Codec
Resistive Termination; Nonmeter Pulse
Application................................................35
Figure 24. Interface Circuit Using First-Generation
Codec (Blocking Capacitors
Not Shown) ..............................................38
Figure 25. ac Interface Using First-Generation
Codec (Including Blocking Capacitors)
for Complex Termination Impedance ......40
Figure 26. Lucent T7504 First-Generation Codec
Complex Termination; Meter Pulse
Application................................................41
Figure 27. Third-Generation Codec ac Interface
Network; Complex Termination ...............43
Tables
Page
Table 1. Pin Descriptions ........................................... 9
Table 2. Control States ............................................ 10
Table 3. Recommended Operating
Characteristics ........................................... 13
Table 4. 5 V Powering ............................................. 14
Table 5. 3.3 V Powering .......................................... 15
Table 6. 2-Wire Port ................................................ 16
Table 7. Analog Pin Characteristics ........................ 17
Table 8. ac Feed Characteristics ............................. 18
Table 9. Logic Inputs and Outputs
(V
CC
= 5 V) ................................................. 19
Table 10. Logic Inputs and Outputs
(V
CC
= 3.3 V) ............................................ 19
Table 11. Ringing Specifications ............................. 20
Table 12. Ring Trip .................................................. 20
Table 13. PPM ......................................................... 20
Table 14. Typical Active Mode On- to Off-Hook
Tip/Ring Current-Limit Transient
Response ................................................ 24
Table 15. FB1 and FB2 Values vs. Typical
Ramp Time .............................................. 25
Table 16. Onset of Power Ringing Clipping
V
CC
= 5 V, Cinput = 0.47
μ
F .................... 28
Table 17. Onset of Power Ringing Clipping
V
CC
= 3.1 V, Cinput = 0.47
μ
F ................. 28
Table 18. Parts List L9215; Lucent T7504
First-Generation Codec Resistive Termina-
tion; Nonmeter Pulse Application ............ 36
Table 19. Parts List L9215; Lucent T7504
First-Generation Codec Complex Termina-
tion; Meter Pulse Application ................... 42
Table 20. Parts List L9215; Lucent T8536
Third-Generation Codec Meter Pulse
Application ac and dc Parameters;
Fully Programmable ................................ 44
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L9216A 制造商:AGERE 制造商全稱:AGERE 功能描述:Short-Loop Ringing SLIC with Ground Start
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