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ADuM1241

Analog Devices
Part Number ADuM1241
Manufacturer Analog Devices
Description (ADuM1240 - ADuM1246) Dual-Channel Digital Isolators
Published Jan 15, 2014
Detailed Description Data Sheet FEATURES Micropower, Dual-Channel Digital Isolators ADuM1240/ADuM1241/ADuM1245/ADuM1246 FUNCTIONAL BLOCK DIA...
Datasheet PDF File ADuM1241 PDF File

ADuM1241
ADuM1241

Overview
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, the products default to a predetermined output logic state: the ADuM1240 and ADuM1241 default to high output, and the ADuM1245 and ADuM1246 default to low output.
PRODUCT HIGHLIGHTS 1.
Microwatt Power.
These 3.
75 kV digital isolators consume less than 15 μW per channel quiescent and 950 μW per channel at 2 Mbps.
Low Supply Operation.
Supports power supply voltages down to 2.
25 V.
iCoupler Technology.
Patented Analog Devices technology combining high speed CMOS and monolithic air core transformer...


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