Document
Data Sheet
1 kV RMS Quad-Channel Digital Isolators ADuM7440/ADuM7441/ADuM7442
FEATURES
Small, 16-lead QSOP 1000 V rms isolation rating Safety and regulatory approvals
UL recognition UL 1577: 1000 V rms for 1 minute
Low power operation 5 V operation 2.25 mA per channel maximum at 0 Mbps to 1 Mbps 11.5 mA per channel maximum at 25 Mbps 3.3 V operation 1.5 mA per channel maximum at 0 Mbps to 1 Mbps 8.25 mA per channel maximum at 25 Mbps
Bidirectional communication Up to 25 Mbps data rate (NRZ) 3 V/5 V level translation High temperature operation: 105°C High common-mode transient immunity: >15 kV/μs
APPLICATIONS
General-purpose, multichannel isolation SPI interface/data converter isolation RS-232/RS-422/RS-485 transceivers Industrial field bus isolation
GENERAL DESCRIPTION
The ADuM7440/ADuM7441/ADuM74421 are 4-channel digital isolators based on the Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic air core transformer technologies, these isolation c.