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ADUM1285 Datasheet(PDF) 11 Page - Analog Devices |
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ADUM1285 Datasheet(HTML) 11 Page - Analog Devices |
11 / 20 page Data Sheet ADuM1280/ADuM1281/ADuM1285/ADuM1286 Rev. A | Page 11 of 20 DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12 INSULATION CHARACTERISTICS These isolators are suitable for reinforced electrical isolation within the safety limit data only. Maintenance of the safety data is ensured by protective circuits. The asterisk (*) marked on packages denotes DIN V VDE V 0884-10 approval. Table 25. Description Conditions Symbol Characteristic Unit Installation Classificationper DIN VDE 0110 For Rated Mains Voltage ≤ 150 V rms I to IV For Rated Mains Voltage ≤ 300 V rms I to III For Rated Mains Voltage ≤ 400 V rms I to II Climatic Classification 40/105/21 PollutionDegree per DIN VDE 0110, Table 1 2 Maximum Working InsulationVoltage VIORM 560 VPEAK Input-to-Output Test Voltage, Method B1 VIORM × 1.875 = Vpd(m), 100% production test, tini = tm = 1 sec, partial discharge < 5 pC Vpd(m) 1050 VPEAK Input-to-Output Test Voltage, Method A After Environmental Tests Subgroup 1 VIORM × 1.5 = Vpd(m), tini=60 sec, tm = 10 sec, partial discharge < 5 pC Vpd(m) 840 VPEAK After Input and/or Safety Test Subgroup 2 and Subgroup 3 VIORM × 1.2 = Vpd(m), tini = 60 sec, tm = 10 sec, partial discharge < 5 pC Vpd(m) 672 VPEAK Highest Allowable Overvoltage VIOTM 4000 VPEAK Withstand IsolationVoltage 1 minute withstand rating VISO 3000 VRMS Surge IsolationVoltage VPEAK = 10 kV, 1.2 µs rise time, 50 µs, 50% fall time VIOSM 6000 VPEAK Safety LimitingValues Maximum value allowed in the event of a failure (see Figure 3) Case Temperature TS 150 °C Side 1 IDD1 Current IS1 290 mA Insulation Resistance at TS VIO = 500 V RS >109 Ω 300 0 50 100 150 200 250 0 50 100 150 200 AMBIENT TEMPERATURE (°C) Figure 3. Thermal Derating Curve at VDDx = 5 V, Dependence of Safety- Limiting Values with Case Temperature per DIN V VDE V 0884-10 RECOMMENDED OPERATING CONDITIONS Table 26. Parameter Symbol Min Max Unit OperatingTemperature TA −40 +125 °C Supply Voltages1 VDD1, VDD2 A, B, andC Grades 2.7 5.5 V WA, WB, andWC Grades 3.0 5.5 V Input Signal RiseandFall Times 1.0 ms 1 See the DC Correctness and Magnetic Field Immunity section. |
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