ADUM7643ARQZ-RL7

1 kV的均方根六通道数字隔离器 1 kV RMS Six-Channel Digital Isolators

Product Details

The ADuM7640/ADuM7641/ADuM7642/ADuM7643 are 6-channel digital isolators based on the Analog Devices, Inc., _i_Coupler® technology. These 1 kV digital isolation devices are packaged in a small 20-lead QSOP. They offer space savings and a lower price than 2.5 kV or 5 kV isolation solutions when only functional isolation is needed.

This family, like many Analog Devices isolators, offers very low power consumption, using one-tenth to one-sixth the power of other digital isolators, with the supply voltage on either side ranging from 3.0 V to 5.5 V. Despite their low power consumption, the ADuM7640/ADuM7641/ADuM7642/ADuM7643 provide low pulse width distortion < 6 ns for C grade and a channel- by-channel glitch filter to protect the device against extraneous noise disturbances. Four channel direction combinations are available with a maximum data rate of 1 Mbps or 25 Mbps. All products have a default output high logic state in the absence of input power.

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**Applications**

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General-purpose, multichannel isolation

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SPI interface/data converter isolation

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

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Industrial field bus isolation

### Features and Benefits

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Small, 20-lead QSOP

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1000 V rms isolation rating

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Low power operation

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3.3 V operation

\- 1.6 mA per channel maximum at

0 Mbps to 1 Mbps

\- 7.8 mA per channel maximum at

25 Mbps

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5 V operation

\- 2.2 mA per channel maximum at

0 Mbps to 1 Mbps

\- 11.2 mA per channel maximum at

25 Mbps

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Bidirectional communication

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Up to 25 Mbps data rate NRZ

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3 V/5 V level translation

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High temperature operation: 105°C

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High common-mode transient immunity: >15 kV/μs