Q&A LTC2757

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LTC2757

Jimpeng_starriver on Mar 5, 2021

Hi,

I had measure the Iout, but the result was not the same as I thought.

Can you help to check the schematic is correctly or not.

Jim

ltc2757 Precision D/A Converters Multiplying Current Output D/A Converters

ADIApproved

on Mar 8, 2021 12:14 PM
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What are you expecting vs what are you getting?
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Jimpeng_starriver on Mar 9, 2021 8:57 PM in reply to ADIApproved
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I input data from 0000 to FFFF, I should get linear output voltage from 0V to maybe 5V.

But the output voltage is negative from -1V to -1.5V.

Jim
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ADIApproved

on Mar 10, 2021 11:52 AM in reply to Jimpeng_starriver
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What span codes are you using?
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