link to page 5 Data SheetADuM4121/ADuM4121-1INSULATION AND SAFETY-RELATED SPECIFICATIONSTable 4. ParameterSymbolValueUnitConditions Rated Dielectric Insulation Voltage 5000 V rms 1-minute duration Minimum External Air Gap (Clearance) L(I01) 8 min mm Measured from input terminals to output terminals, shortest distance through air Minimum External Tracking (Creepage) L(I02) 8 min mm Measured from input terminals to output terminals, shortest distance path along body Minimum Clearance in the Plane of the Printed L (PCB) 8.3 min mm Measured from input terminals to output terminals, shortest Circuit Board (PCB Clearance) distance through air, line of sight, in the PCB mounting plane Minimum Internal Gap (Internal Clearance) 25.5 min µm Minimum distance through insulation Tracking Resistance (Comparative Tracking Index) CTI >400 V DIN IEC 112/VDE 0303 Part 3 Isolation Group II Material Group (DIN VDE 0110, 1/89, Table 1) DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS This isolator is suitable for reinforced isolation only within the safety limit data. Maintenance of the safety data is ensured by protective circuits. Table 5. VDE Characteristics DescriptionTest Conditions/CommentsSymbolCharacteristicUnit Instal ation Classification per DIN VDE 0110 For Rated Mains Voltage ≤ 600 V rms I to IV Climatic Classification 40/105/21 Pol ution Degree per DIN VDE 0110, Table 1 2 Maximum Working Insulation Voltage VIORM 849 V peak Input to Output Test Voltage, Method B1 VIORM × 1.875 = Vpd (m), 100% production test, tini = tm = 1 sec, Vpd (m) 1592 V peak partial discharge < 5 pC 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) 1274 V peak After Input and/or Safety Test Subgroup 2 VIORM × 1.2 = Vpd (m), tini = 60 sec, tm = 10 sec, partial discharge < 5 pC Vpd (m) 1019 V peak and Subgroup 3 Highest Al owable Overvoltage VIOTM 7000 V peak Surge Isolation Voltage Basic VPEAK = 16 kV, 1.2 µs rise time, 50 µs, 50% fall time VIOSM 16,000 V peak Surge Isolation Voltage Reinforced VPEAK = 16 kV, 1.2 µs rise time, 50 µs, 50% fall time VIOSM 10,000 V peak Safety Limiting Values Maximum value al owed in the event of a failure (see Figure 2) Maximum Junction Temperature TS 150 °C Safety Total Dissipated Power PS 1.2 W Insulation Resistance at TS VIO = 500 V RS >109 Ω 1.4RECOMMENDED OPERATING CONDITIONS1.2Table 6.W) (ParameterValue1.0R Operating Temperature Range (TJ) −40°C to +125°C OWE0.8 Supply Voltages G P VDD1 to GND1 2.5 V to 6.5 V ITIN0.6 VDD2 to GND2 4.5 V to 35 V LIM FE0.4AS0.20050100150200 002 AMBIENT TEMPERATURE (°C) 14967- Figure 2. Thermal Derating Curve, Dependence of Safety Limiting Values on Case Temperature, per DIN V VDE V 0884-10 Rev. 0 | Page 5 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS REGULATORY INFORMATION PACKAGE CHARACTERISTICS INSULATION AND SAFETY-RELATED SPECIFICATIONS DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS RECOMMENDED OPERATING CONDITIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION PRINTED CIRCUIT BOARD (PCB) LAYOUT VI+ and VI− Operation PROPAGATION DELAY-RELATED PARAMETERS UNDERVOLTAGE LOCKOUT (UVLO) OUTPUT LOAD CHARACTERISTICS Miller Clamp POWER DISSIPATION INSULATION LIFETIME TYPICAL APPLICATIONS OUTLINE DIMENSIONS ORDERING GUIDE