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ADUM1251 Datasheet(PDF) 6 Page - Analog Devices |
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ADUM1251 Datasheet(HTML) 6 Page - Analog Devices |
6 / 12 page ADuM1250/ADuM1251 Rev. 0 | Page 6 of 12 DIN EN 60747-5-2 (VDE 0884 PART 2) INSULATION CHARACTERISTICS This isolator is suitable for basic isolation only within the safety limit data. Maintenance of the safety data is ensured by protective circuits. The * marking on the package denotes DIN EN 60747-5-2 approval for a 560 V peak working voltage. Table 6. Description Symbol Characteristic Unit Installation Classification per 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 Pollution Degree (DIN VDE 0110, Table 1) 2 Maximum Working Insulation Voltage VIORM 560 VPEAK Input-to-Output Test Voltage, Method b1 VPR 1050 VPEAK VIORM × 1.875 = VPR, 100% Production Test, tm = 1 sec, Partial Discharge < 5 pC Input-to-Output Test Voltage, Method a VPR After Environmental Tests Subgroup 1 VIORM × 1.6 = VPR, tm = 60 sec, Partial Discharge < 5 pC 896 VPEAK After Input and/or Safety Test Subgroup 2/3 672 VIORM × 1.2 = VPR, tm = 60 sec, Partial Discharge < 5 pC Highest Allowable Overvoltage (Transient Overvoltage, tTR = 10 sec) VTR 4000 VPEAK Safety-Limiting Values (Maximum Value Allowed in the Event of a Failure (See also Figure 3) Case Temperature TS 150 °C Side 1 Current IS1 160 mA Side 2 Current IS2 170 mA Insulation Resistance at TS, VIO = 500 V RS >109 Ω CASE TEMPERATURE (°C) 0 0 350 50 100 150 200 50 300 150 100 200 250 Figure 3. Thermal Derating Curve, Dependence of Safety Limiting Values on Case Temperature, per DIN EN 60747-5-2 RECOMMENDED OPERATING CONDITIONS Table 7. Parameter Symbol Min Max Unit Operating Temperature TA −40 +105 °C Supply Voltages1 VDD1, VDD2 3.0 5.5 V Input/Output Signal Voltage VSDA1, VSCL1, VSDA2, VSCL2 5.5 V Capacitive Load, Side 1 CL1 40 pF Capacitive Load, Side 2 CL2 400 pF Static Output Loading, Side 1 ISDA1, ISCL1 0.5 3 mA Static Output Loading, Side 2 ISDA2, ISCL2 0.5 30 mA 1 All voltages are relative to their respective ground. See the Application Notes section for data on immunity to external magnetic fields. |
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