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GENERAL DESCRIPTION

The ADuM3400/ADuM3401/ADuM34021 are 4-channel digital isolators based on the Analog Devices, Inc., iCoupler? technology. Combining high speed CMOS and monolithic air core transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives such as optocoupler devices.

FEATURES

Enhanced system-level ESD performance per IEC 61000-4-x

Low power operation

5 V operation

1.4 mA per channel maximum at 0 Mbps to 2 Mbps

4.3 mA per channel maximum at 10 Mbps

34 mA per channel maximum at 90 Mbps

3.3 V operation

0.9 mA per channel maximum at 0 Mbps to 2 Mbps

2.4 mA per channel maximum at 10 Mbps

20 mA per channel maximum at 90 Mbps

Bidirectional communication

3.3 V/5 V level translation

High temperature operation: 105°C

High data rate: dc to 90 Mbps (NRZ)

Precise timing characteristics

2 ns maximum pulse width distortion

2 ns maximum channel-to-channel matching

High common-mode transient immunity: >25 kV/μs

Output enable function

16-lead SOIC wide body, RoHS-compliant package

Safety and regulatory approvals

UL recognition: 2500 V rms for 1 minute per UL 1577

CSA Component Acceptance Notice 5A

VDE Certificate of Conformity

DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12

VIORM = 560 V peak

APPLICATIONS

General-purpose multichannel isolation

SPI/data converter isolation

RS-232/RS-422/RS-485 transceivers

Industrial field bus isolation