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GENERAL DESCRIPTION

The ADuM240x1 are 4-channel digital isolators based on Analog Devices, Inc., iCoupler? technology. Combining high speed CMOS and monolithic air core transformer technology, these isolation components provide outstanding performance characteristics that are superior to alternatives, such as optocoupler devices.

By avoiding the use of LEDs and photodiodes, iCoupler devices remove the design difficulties commonly associated with optocouplers. The typical optocoupler concerns regarding uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects are eliminated with the simple iCoupler digital interfaces and stable performance characteristics. Furthermore, iCoupler devices run at one-tenth to one-sixth the power of optocouplers at comparable signal data rates.

FEATURES

Low power operation

5 V operation

1.0 mA per channel maximum @ 0 Mbps to 2 Mbps

3.5 mA per channel maximum @ 10 Mbps

31 mA per channel maximum @ 90 Mbps

3 V operation

0.7 mA per channel maximum @ 0 Mbps to 2 Mbps

2.1 mA per channel maximum @ 10 Mbps

20 mA per channel maximum @ 90 Mbps

Bidirectional communication

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 package version (RW-16)

16-lead SOIC wide body enhanced creepage version (RI-16)

Safety and regulatory approvals (RI-16 package)

UL recognition: 5000 V rms for 1 minute per UL 1577

CSA Component Acceptance Notice #5A

IEC 60601-1: 250 V rms (reinforced)

IEC 60950-1: 400 V rms (reinforced)

VDE Certificate of Conformity

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

VIORM = 846 V peak

APPLICATIONS

General-purpose, high voltage, multichannel isolation

Medical equipment

Motor drives

Power supplies