Datasheet ADuM3220/ADuM3221 (Analog Devices) - 8

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ADuM3220/ADuM3221 Data Sheet PIN CONFIGURATION AND FUNCTION DESCRIPTIONS VDD1 1 8 VDD2 ADuM3220/ VIA 2 7 VOA ADuM3221 VIB 3 6 V TOP VIEW OB
003
GND (Not to Scale) 1 4 5 GND2
08994- Figure 4. Pin Configuration
Table 10. Pin Function Descriptions Pin No. Mnemonic Description
1 V Supply Voltage for Isolator Side 1, 3.0 V to 5.5 V. DD1 2 V Logic Input A. IA 3 V Logic Input B. IB 4 GND Ground 1. Ground reference for Isolator Side 1. 1 5 GND Ground 2. Ground reference for Isolator Side 2. 2 6 V Logic Output B. OB 7 V Logic Output A. OA 8 V Supply Voltage for Isolator Side 2, 4.5 V to 18 V. DD2
Table 11. Truth Table, ADuM3220 ( Positive Logic)1 V Input V Input V State V State V Output V Output Notes IA IB DD1 DD2 OA OB
L L Powered Powered L L L H Powered Powered L H H L Powered Powered H L H H Powered Powered L L X X Unpowered Powered L L Outputs return to the input state within 1 µs of V power restoration. DD1 X X Powered Unpowered L L Outputs return to the input state within 1 µs of V power restoration. DD2 1 X = don’t care, L = low, H = high.
Table 12. Truth Table, ADuM3221 ( Positive Logic)1 VIA Input VIB Input VDD1 State VDD2 State VOA Output VOB Output Notes
L L Powered Powered L L L H Powered Powered L H H L Powered Powered H L H H Powered Powered H H X X Unpowered Powered L L Outputs return to the input state within 1 µs of V power restoration. DD1 X X Powered Unpowered L L Outputs return to the input state within 1 µs of V power restoration. DD2 1 X = don’t care, L = low, H = high. Rev. C | Page 8 of 16 Document Outline Features Applications General Description Functional Block Diagrams Table of Contents Revision History Specifications Electrical Characteristics—5 V Operation Electrical Characteristics—3.3 V Operation Package Characteristics Regulatory Information Insulation and Safety-Related Specifications DIN V VDE V 0884-10 (VDE V 0884-10) Insulation Characteristics Recommended Operating Conditions Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Applications Information PC Board Layout Propagation Delay-Related Parameters Thermal Limitations and Switch Load Characteristics Output Load Characteristics DC Correctness and Magnetic Field Immunity Power Consumption Insulation Lifetime Outline Dimensions Ordering Guide Automotive Products