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SI2439 数据表(PDF) 7 Page - Silicon Laboratories |
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SI2439 数据表(HTML) 7 Page - Silicon Laboratories |
7 / 70 page Si2494/39 Rev. 1.0 7 Table 4. Loop Characteristics (VD = 3.0 to 3.6 V, TA = 0 to 70 °C for F-grade, TA = –40 to 85 °C for G-grade) Parameter Symbol Test Condition Min Typ Max Unit DC Termination Voltage VTR IL = 20 mA, ILIM1 =0 DCV = 00, MINI = 11, DCR = 0 —— 6.0 V DC Termination Voltage VTR IL = 120 mA, ILIM = 0 DCV = 00, MINI = 11, DCR = 0 9— — V DC Termination Voltage VTR IL =20mA, ILIM =0 DCV = 11, MINI = 00, DCR = 0 —— 7.5 V DC Termination Voltage VTR IL = 120 mA, ILIM = 0 DCV = 11, MINI = 00, DCR = 0 9— — V DC Termination Voltage VTR IL =20mA, ILIM =1 DCV = 11, MINI = 00, DCR = 0 —— 7.5 V DC Termination Voltage VTR IL =60mA, ILIM =1 DCV = 11, MINI = 00, DCR = 0 40 — — V DC Termination Voltage VTR IL =50mA, ILIM =1 DCV = 11, MINI = 00, DCR = 0 —— 40 V On-Hook Leakage Current ILK VTR = –48 V — — 5 µA Operating Loop Current ILP MINI = 00, ILIM = 0 10 — 120 mA Operating Loop Current ILP MINI = 00, ILIM = 1 10 — 60 mA DC Ring Current DC current flowing through ring detection circuitry —1.5 3 µA Ring Detect Voltage2 VRD RT = 0 12 15 18 VRMS Ring Detect Voltage2 VRD RT = 1 18 21 25 VRMS Ring Frequency FR 15 — 68 Hz Ringer Equivalence Number REN — — 0.2 Notes: 1. ILIM = U67, bit 9; DCV = U67, bits 3:2; MINI = U67, bits 13:12; DCR = U67, bit 7; RT = U67, bit 0. 2. The ring signal is guaranteed to not be detected below the minimum. The ring signal is guaranteed to be detected above the maximum. Si3018 TIP RING 10 µF 600 IL VTR + – |
类似零件编号 - SI2439 |
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类似说明 - SI2439 |
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