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High-Speed ADCs

Q&A AD9237 MODE2 pin voltage

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AD9237 MODE2 pin voltage

ogura.isao@sankyosha.co.jp on Dec 18, 2020

According to table.8 in the datasheet, span_factor is set by MODE2 pin voltage.

what are voltage allowance for 1/3A VDD and 2/3 AVDD?

when is span_factor and resulting differential span is fixed?

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UmeshJ
Dec 18, 2020 +1 verified
the tolerance on this should match the AVDD tolerance.

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+1 UmeshJ

on Dec 18, 2020 8:09 PM
the tolerance on this should match the AVDD tolerance.
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0 ogura.isao@sankyosha.co.jp on Dec 19, 2020 2:13 AM in reply to UmeshJ

when is MODE2 pin vaoltage latched to fix span_factor and power scaling? AVDD power up?

or ls NOT MODE2 voltage latched?
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0 ogura.isao@sankyosha.co.jp on Dec 19, 2020 2:13 AM in reply to UmeshJ

when is MODE2 pin vaoltage latched to fix span_factor and power scaling? AVDD power up?

or ls NOT MODE2 voltage latched?
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