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1千伏rms六通道数字隔离器adum7640/adum7641/dum7642/adum7643数据表
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The ADuM7640/ADuM7641/ADuM7642/ADuM76431 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 ADuM7640/ADuM7641/ADuM7642/ADuM7643 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.
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