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ADUM1442 Datasheet(PDF) 11 Page - Analog Devices |
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ADUM1442 Datasheet(HTML) 11 Page - Analog Devices |
11 / 24 page Data Sheet ADuM1440/ADuM1441/ADuM1442/ADuM1445/ADuM1446/ADuM1447 ABSOLUTE MAXIMUM RATINGS TA = 25°C, unless otherwise noted. Table 16. Parameter Rating Supply Voltages (VDD1, VDD2) −0.5 V to +3.6 V Input Voltages (VIA, VIB ) −0.5 V to VDDI + 0.5 V Output Voltages (VOA, VOB) −0.5 V to VDD2 + 0.5 V Average Output Current per Pin1 Side 1 (IO1) −10 mA to +10 mA Side 2 (IO2) −10 mA to +10 mA Common-Mode Transients2 −100 kV/µs to +100 kV/µs Storage Temperature (TST) Range −65°C to +150°C Ambient Operating Temperature (TA) Range −40°C to +125°C 1 See Figure 3 for maximum safety power values for various temperatures. 2 Refers to common-mode transients across the insulation barrier. Common-mode transients exceeding the absolute maximum ratings can cause latch-up or permanent damage. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Table 17. Maximum Continuous Working Voltage1 Parameter Value Constraint AC Voltage 60 Hz Bipolar Waveform 565 VPEAK 50-year minimum lifetime 60 Hz Unipolar Waveform Basic Insulation 975 VPEAK 50-year minimum lifetime DC Voltage Basic Insulation 975 VPEAK 50-year minimum lifetime 1 Refers to continuous voltage magnitude imposed across the isolation barrier. See the Insulation Lifetime section for more details. ESD CAUTION Table 18. Truth Table (Positive Logic) for all Models VIxInput1, 2 VDDI State3 VDDO State4 ENx Input1 VOx Output1 Description H Powered Powered L H Normal operation; data is high and refresh is enabled. L Powered Powered L L Normal operation; data is low and refresh is enabled. H Powered Powered H H Output is high, and refresh is disabled. L Powered Powered H L5 Output is low, and refresh is disabled. L Unpowered Powered L Default Input unpowered. Outputs are in the default state, high for ADuM1440, ADuM1441, and ADuM1442, and low ADuM1445, ADuM1446, and ADuM1447. Outputs return to input state within 150 µs of VDDI power restoration. See the pin function descriptions (Table 19 through Table 21) for more details. L Unpowered Powered H Hold Input unpowered. Outputs are the last state before input power is shut down. X Powered Unpowered X Z Output unpowered. Output pins are in high impedance state. Outputs return to input state within 34 µs of VDDO power restoration. See the pin function descriptions (Table 19 through Table 21) for more details. 1 H = high, L = low, X = don’t care, and Z = high impedance. 2 VIx and VOx refer to the input and output signals of a given channel (A, B, C, or D). 3 VDDI refers to the power supply on the input side of a given channel (A, B, C, or D). 4 VDDO refers to the power supply on the output side of a given channel (A, B, C, or D). 5 Low input must follow a falling edge; otherwise, it can be in the default low state. Rev. 0 | Page 11 of 24 |
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