ADuM1245

Data Sheet FEATURES Micropower, Dual-Channel Digital Isolators ADuM1240/ADuM1241/ADuM1245/ADuM1246 FUNCTIONAL BLOCK DIAGRAM VDD1 1 GND1 2 NIC 3 NIC 4 VIA/VOA 5 VIB 6 EN1 7 NIC 8 NIC 9 GND1 10 ENCODE ENCODE DECODE DECODE Ultralow power operation 3.3 V operation 16 µA per channel maximum quiescent current, refresh enabled 0.3 µA per channel typical quiescent current, refresh disabled 148 µA/Mbps per channel typical dynamic current 2.5 V operation 8 µA per channel maximum quiescent current, refresh enabled 0.1 µA per channel typical quiescent current, refresh disabled 116 µA/Mbps per channel typical dynamic current Small, 20-lead SSOP package Bidirectional communication Up to 2 Mbps data rate (NRZ) High temperature operation: 125°C High common-mode transient immunity: >25 kV/μs Safety and Regulatory Approvals UL 1577 component recognition program (pending) 3750 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A (pending) VDE certificate of conformity (pending) DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12 VIORM = 849 V peak ADuM124x 20 19 18 17 16 15 14 13 12 11 VDD2 GND2 NIC NIC VOA/VIA VOB EN2 NIC 11925-002 NIC GND2 Figure 1. and an input glitch filter for extraneous noise disturbance protection. All models operate with an independent supply voltage on either side (between 2.25 V and 3.6 V), providing compatibility with lower voltage systems and enabling voltage level translation functionality across the isolation barrier. In the absence of input power, t...