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AD7402 Datasheet(PDF) 6 Page - Analog Devices |
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AD7402 Datasheet(HTML) 6 Page - Analog Devices |
6 / 20 page AD7402 Data Sheet Rev. A | Page 6 of 20 DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 INSULATION CHARACTERISTICS This isolator is suitable for reinforced electrical isolation only within the safety limit data. Maintenance of the safety data is ensured by means of protective circuits. Table 6. Description Symbol Characteristic Unit INSTALLATION CLASSIFICATION PER DIN VDE 0110 For Rated Mains Voltage ≤ 300 V rms I to IV For Rated Mains Voltage ≤ 450 V rms I to IV For Rated Mains Voltage ≤ 600 V rms I to IV For Rated Mains Voltage ≤ 1000V rms I to IV CLIMATIC CLASSIFICATION 40/105/21 POLLUTION DEGREE (DIN VDE 0110, TABLE 1) 2 MAXIMUM WORKING INSULATION VOLTAGE VIORM 1250 VPEAK INPUT TO OUTPUT TEST VOLTAGE, METHOD B1 VPD(M) 2344 VPEAK VIORM × 1.875 = VPR, 100% Production Test, tm = 1 Second, Partial Discharge < 5 pC INPUT TO-OUTPUT TEST VOLTAGE, METHOD A VPR(M) After Environmental Test Subgroup 1 2000 VPEAK VIORM × 1.6 = VPR, tm = 60 Seconds, Partial Discharge < 5 pC After Input and/or Safety Test Subgroup 2/Safety Test Subgroup 3 1500 VPEAK VIORM × 1.2 = VPR, tm = 60 Seconds, Partial Discharge < 5 pC HIGHEST ALLOWABLE OVERVOLTAGE (TRANSIENT OVERVOLTAGE, tTR = 10 Seconds) VIOTM 8000 VPEAK SURGE ISOLATION VOLTAGE 1.2 μs Rise Time, 50 μs, 50% Fall Time VIOSM 12000 VPEAK SAFETY LIMITING VALUES (MAXIMUM VALUE ALLOWED IN THE EVENT OF A FAILURE, SEE Figure 3) Case Temperature TS 150 °C Side 1 (PVDD1) and Side 2 (PVDD2) Power Dissipation PSO 1.19 W INSULATION RESISTANCE AT TS, VIO = 500 V RIO >109 Ω Figure 3. Thermal Derating Curve, Dependence of Safety Limiting Values with Case Temperature per DIN V VDE V 0884-10 AMBIENT TEMPERATURE (°C) 0 1 2 0 50 100 150 200 |
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