1 Features

1• Signaling Rate: Up to 100 Mbps

• Wide Supply Range: 2.25 V to 5.5 V

• 2.25-V to 5.5-V Level Translation

• Default Output High and Low Options

• Wide Temperature Range: –55°C to +125°C

• Low Power Consumption, Typical 1.7 mA per

Channel at 1 Mbps

• Low Propagation Delay: 11 ns Typical

(5-V Supplies)

• High CMTI: ±100 kV/μs Typical

• Robust Electromagnetic Compatibility (EMC)

– System-Level ESD, EFT, and Surge Immunity

– Low Emissions

2 Applications

• Industrial Automation

• Hybrid Electric Vehicles

• Motor Control

• Power Supplies

• Solar Inverters

• Medical Equipment

3 Description

The ISO772x devices are high-performance, dualchannel

digital isolators with 5000 VRMS (DW and

DWV packages) and 3000 VRMS (D package) isolation

ratings per UL 1577. These devices are also certified

by VDE, TUV, CSA, and CQC.

The ISO772x devices provide high electromagnetic

immunity and low emissions at low power

consumption, while isolating CMOS or LVCMOS

digital I/Os. Each isolation channel has a logic input

and output buffer separated by a silicon dioxide

(SiO2

) insulation barrier. The ISO7720 device has

both channels in the same direction while the

ISO7721 device has both channels in the opposite

direction. In the event of input power or signal loss,

the default output is high for devices without suffix F

and low for devices with suffix F. See the Device

Functional Modes section for further details.

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