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Chip Select Mode of the AD7902

Question asked by Ratendix on Aug 18, 2016
Latest reply on Aug 18, 2016 by Ryan_Curran

Hello,

I have got a question about the CS mode of the AD7902 16 bit ADC.

I will use two spi ports for the two adc channels.

MOSI for the CONVST signal, MISO for the SDO and the SCLK.

While using the CS mode, I have got to connect VIO to VDD and SDI to VDD. Is this right? for example, all these pins are connected to 2.5 Volt.

That is also described in the datasheet however I want to be sure.

 

Thank you!

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