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LT3669-2 CQ1 Pin high impedance mode


on page 20 (Operation) of the datasheet the describtion says: "The drivers feature four modes of operation: push-pull, pull-up only, pull-down only, as well as a high impedance mode."

How exactly can the high impedance mode achieved?

When I set TXEN1 to low the push-pull stage is disabled. When I then set TXD1 to High the pull-down is enabled. When set to low  the pull-up is enabled. But what about both stages completly off?


Best regards


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