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Analog input voltage of AD7091R

Hi,

I confirmed below sentence. AD7091R has internal reference that 2.5V. In that case, Is it true my awareness that Input voltage depend on VREF.

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analog input signal never exceeds VREF or VDD by more than 300 mV

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Best regards

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  • Hi kshigemori281,

            Looking into the ABS/MAX rating on Table 3 of the AD7091R datasheet. The analog input range must be within the -0.3 to Vref+0.3 range. Beyond this range will forward bias the protection diode as explained on page 13 Analog input section.

    Regards,

    Jonathan

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  • Hi kshigemori281,

            Looking into the ABS/MAX rating on Table 3 of the AD7091R datasheet. The analog input range must be within the -0.3 to Vref+0.3 range. Beyond this range will forward bias the protection diode as explained on page 13 Analog input section.

    Regards,

    Jonathan

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