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LUCL9500AGF-D 数据表(PDF) 14 Page - Agere Systems |
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LUCL9500AGF-D 数据表(HTML) 14 Page - Agere Systems |
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14 / 32 page  Preliminary Data Sheet September 2001 High-Voltage Ringing SLIC for VoIP Applications L9500A 14 Agere Systems Inc. Electrical Characteristics (continued) Table 11. 2-Wire Port Parameter Min Typ Max Unit Tip or Ring Drive Current = dc + Longitudinal + Signal Currents 105 —— mAp Tip or Ring Drive Current = Ringing + Longitudinal 65 — — mAp Signal Current 10 — — mArms Longitudinal Current Capability per Wire (Longitudinal current is indepen- dent of dc loop current.) 8.5 15 — mArms Ringing Current (RLOAD = 1386 Ω + 40 µF) 29 — — mArms Ringing Current Limit (RLOAD = 100 Ω)— — 50 mAp dc Loop Current—ILIM (VBAT2 applied, RLOOP = 100 Ω): VPROG = 0 VPROG = Open — — 25 40 — — mA mA dc Current Variation — — ±8 % dc Feed Resistance (does not include protection resistors) — 50 — Ω Open Loop Voltages: Scan Mode: |VBAT1| > 51 V |VTIP| – |VRING| PR to Battery Ground PT to Battery Ground OHT Mode: |VBAT1| > 51 V |VTIP| – |VRING| PR to Battery Ground PT to Battery Ground Active Mode: |PT – PR| – |VBAT2| Ring Mode: |PT – PR| – |VBAT1| 44 — — 41 — — 5.75 — 51 — — 49 — — 6.25 4 — 56.5 56.5 — 56.5 56.5 7.75 — V V V V V V V V |
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