ADUM7441CRQZ-RL7 Datasheet

1 kV RMS Quad-Channel Digital Isolators


The ADuM744x1 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 components provide outstanding performance characteristics superior to the alternatives, such as optocoupler devices and other integrated couplers.

Small, 16-lead QSOP
1000 V rms isolation rating
Safety and regulatory approvals
  UL recognition
     UL 1577: 1000 V rms for 1 minute
  CSA Component Acceptance Notice #5A (pending)
Low power operation
  5 V operation
     2.25 mA per channel maximum @ 0 Mbps to 1 Mbps
     11.5 mA per channel maximum @ 25 Mbps
  3.3 V operation
     1.5 mA per channel maximum @ 0 Mbps to 1 Mbps
     8.25 mA per channel maximum @ 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

General-purpose, multichannel isolation
SPI interface/data converter isolation
RS-232/RS-422/RS-485 transceivers
Industrial field bus isolation



Manufacturer information


Analog Devices, Inc. Introduction - Analog Devices, Inc. (NASDAQ: ADI) defines innovation and excellence in signal processing. ADI's analog, mixed-signal, and digital signal processing (DSP) integrated circuits (IC) play a fundamental role in converting, conditioning, and processing real-world phenomena such as light, sound, temperature, motion, and pressure into electrical signals to be used in a wide array of electronic equipment. ADI is synonymous with high performance among electronics manufacturers and we collaborate with our customers to define the very best in the quality of the user experience. That means the clearest image, crispest sound, and optimum interface, size and performance in thousands of entertainment, medical, communications, industrial and other applications.

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