Datasheet ADuM3221-EP (Analog Devices) - 8

ADuM3221-EP Enhanced Product PIN CONFIGURATION AND FUNCTION DESCRIPTIONS VDD1 1 8 VDD2 VIA 2 7 V ADuM3221-EP OA TOP VIEW VIB 3 6 V (Not to Scale) OB
003
GND1 4 5 GND2
14765- Figure 3. 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. GND is the ground reference for Isolator Side 1. 1 1 5 GND Ground 2. GND is the g round reference for Isolator Side 2. 2 2 6 V Logic Output B. OB 7 V Logic Output A. OA 8 V Supply Voltage for Isolator Side 2, 7.6 V to 18 V. DD2
Table 11. Truth Table (Positive Logic) V Input V Input V State V State V Output V Output Notes IA IB DD1 DD2 OA OB
Low Low Powered Powered Low Low Low High Powered Powered Low High High Low Powered Powered High Low High High Powered Powered High High Don’t care Don’t care Unpowered Powered Low Low Outputs return to the input state within 1 µs of V power restoration. DD1 Don’t care Don’t care Powered Unpowered Low Low Outputs return to the input state within 1 µs of V power restoration. DD2 Rev. 0 | Page 8 of 12 Document Outline FEATURES ENHANCED PRODUCT FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM 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 OUTLINE DIMENSIONS ORDERING GUIDE