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SI3021-KS データシート(PDF) 4 Page - List of Unclassifed Manufacturers |
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SI3021-KS データシート(HTML) 4 Page - List of Unclassifed Manufacturers |
4 / 54 page Si 30 35 4 Rev. 1.2 Electrical Specifications Figure 1. Test Circuit for Loop Characteristics Table 1. Recommended Operating Conditions Parameter1 Symbol Test Condition Min2 Typ Max2 Unit Ambient Temperature TA K-Grade 0 25 70 °C Si3021 Supply Voltage, Analog VA 4.75 5.0 5.25 V Si3021 Supply Voltage, Digital3 VD 3.0 3.3/5.0 5.25 V Notes: 1. The Si3035 specifications are guaranteed when the typical application circuit (including component tolerances) and any Si3021 and any Si3012 are used. See Figure 16 on page 15 for typical application circuit. 2. All minimum and maximum specifications are guaranteed and apply across the recommended operating conditions. Typical values apply at nominal supply voltages and an operating temperature of 25 °C unless otherwise stated. 3. The digital supply, VD, can operate from either 3.3 V or 5.0 V. The Si3021 supports interface to 3.3 V logic when operating from 3.3 V. The 3.3 V operation applies to both the serial port and the digital signals RGDT, OFHK, RESET, M0, and M1. Table 2. Loop Characteristics (VA = Charge Pump, VD = +3.3 V ± 0.3 V, TA = 0 to 70°C for K-Grade, Refer to Figure 1) Parameter Symbol Test Condition Min Typ Max Unit DC Termination Voltage VTR IL = 20 mA — — 7.7 V DC Termination Voltage VTR IL = 105 mA 12 — — V DC Ring Current (with caller ID) IRDC —— 1 mA DC Ring Current (w/o caller ID) IRDC —— 20 µA AC Termination Impedance ZACT —600 — Ω Operating Loop Current ILP 20 — 120 mA Loop Current Sense Bits LCS LCS = Fh 180 155 — mA Ring Voltage Detect VRD 13 18 26 VRMS Ring Frequency FR 15 — 68 Hz On-Hook Leakage Current ILK VBAT = –48 V — — 1 µA Ringer Equivalence Num. (with caller ID) REN — 1.0 1.67 — Ringer Equivalence Num. (w/o caller ID) REN — 0.2 — — TIP RING + – Si3012 VTR 600 Ω 10 µF I L |
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