ADUM7642ARQZ-RL7

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1. DESCRIPTION

The ADUM7642ARQZ-RL7 are 6-channel digital isolators based on the Analog Devices, Inc., iCoupler® 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 ADUM7642ARQZ-RL7 provide low pulse width distortion (< 6 ns for C grade) and a channelby-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. 

2. FEATURES

    1. Small 20-lead QSOP

    2. 1000 V rms isolation rating

    3. Low power operation

        - 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

        - 5 V operation

           2.2 mA per channel maximum at 0 Mbps to 1 Mbps

           11.2 mA per channel maximum at 25 Mbps

    4. Bidirectional communication

    5. Up to 25 Mbps data rate (NRZ)

    6. 3 V/5 V level translation

    7. High temperature operation: 105°C

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

3. APPLICATIONS

    1. General-purpose, multichannel isolation

    2. SPI interface/data converter isolation

    3. RS-232/RS-422/RS-485 transceivers

    4. Industrial field bus isolation