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LUCL9214AAJ-DT Datasheet(PDF) 3 Page - Agere Systems |
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LUCL9214AAJ-DT Datasheet(HTML) 3 Page - Agere Systems |
3 / 46 page Preliminary Data Sheet October 2001 Low-Cost Ringing SLIC L9214A/G Agere Systems Inc. 3 Table of Contents (continued) Figures Page Figure 1. Architecture Diagram ...................................7 Figure 2. 28-Pin SOG Diagram ..................................8 Figure 3. 32-Pin PLCC Diagram .................................8 Figure 4. 48-Pin MLCC Diagram .................................9 Figure 5. Basic Test Circuit (3 REN Configuration) ..22 Figure 6. Metallic PSRR ...........................................23 Figure 7. Longitudinal PSRR ....................................23 Figure 8. Longitudinal Balance .................................23 Figure 9. ac Gains ....................................................23 Figure 10. Ringing Waveform Crest Factor = 1.6 .....27 Figure 11. Ringing Waveform Crest Factor = 1.2 .....27 Figure 12. Ring Operation ........................................28 Figure 13. ac Equivalent Circuit ................................31 Figure 14. Agere T7504 First-Generation Codec; Resistive Termination (5 REN Configuration)...........................................32 Figure 15. Interface Circuit Using First-Generation Codec (Blocking Capacitors Not Shown) ..............................................35 Figure 16. ac Interface Using First-Generation Codec (Including Blocking Capacitors) for Complex Termination Impedance ......37 Figure 17. Agere T7504 First-Generation Codec; Complex Termination with Power Control Resistor (3 REN Configuration)................38 Figure 18. Third-Generation Codec ac Interface Network; Complex Termination (3 REN Configuration)...........................................40 Tables Page Table 1. Pin Descriptions ......................................... 10 Table 2. Control States ............................................ 12 Table 3. Typical Operating Characteristics .............. 14 Table 4. Thermal Characteristics.............................. 14 Table 5. Environmental Characteristics ................... 15 Table 6. 5.0 V Supply Currents ............................... 15 Table 7. 5. 0 V Powering .......................................... 15 Table 8. 3.3 V Supply Currents ................................ 16 Table 9. 3.3 V Powering .......................................... 16 Table 10. Two-Wire Port .......................................... 17 Table 11. Analog Pin Characteristics ...................... 18 Table 12. ac Feed Characteristics ........................... 19 Table 13. Logic Inputs and Outputs (VCC = 5.0 V) .............................................. 20 Table 14. Logic Inputs and Outputs (VCC = 3.3 V) ............................................ 20 Table 15. Ringing Specifications ............................. 20 Table 16. Ring Trip (3 REN Configuration) .............. 21 Table 17. Ring Trip (5 REN Configuration)............... 21 Table 18. Typical Active Mode On- to Off-Hook Tip/Ring Current-Limit Transient Response ................................................ 25 Table 19. FB1/FB2 Values vs. Typical Ramp Time at VBAT1 = –65 V ....................................... 26 Table 20. L9214 Parts List for Agere T7504 First-Generation Codec; Resistive Termination .............................................. 33 Table 21. L9214 Parts List for Agere T7504 First- Generation Codec; Complex Termination with Power Control Resistor .................... 38 Table 22. L9214 Parts List for Agere T8536 Third-Generation Codec Meter Pulse Application ac and dc Parameters; Fully Programmable ................................ 41 |
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