ADUM3440 Reference Design Circuit | Digital Isolator Application Circuit

The ADuM3440 is a four-channel digital isolator based on Analog Devices' iCoupler® technology that supports data rates up to 150Mbps. This article mainly introduces the ADuM3440 features, application range, reference design circuit and circuit analysis to help you shorten the design time.

ADuM3440 features: bidirectional communication; 3.3V/5V level shifting; output enable function; precise timing characteristics

Typical application range of ADuM3440: high-speed multi-channel isolation; isolation of SPI interface and data converter; measurement

ADuM3440 Reference Design Application Circuit:

Figure 1ADuM3440 internal structure diagram

The ADuM344x are four channel, digital isolators based on the Analog Devices, Inc., iCoupler® technology supporting data rates up to 150 Mbps. Combining high speed CMOS and monolithic air core transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives such As optocoupler devices.

ADuM3440 Datasheet: Click to download

More schematics and source code popular application circuit: click now

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