I have a design that will use up to 16 (sixteen) AD7768-1 delta-sigma ADC.
Due to limited PCB area, I would like to use a single reference for all AD7768-1.
According to the AD7768-1 data sheet, the AD7768-1 has fully buffered reference inputs REF+ and REF- that provide high impedance input nodes.From this aspect, I think it should work.
Does the use of a single Reference like LTC6655 with multiple AD7768-1 affect analog performance?
we have an own Ref+ and Ref- each ADC, but we want to use for all 16-ADCs the same AVDD1&2. Do we have to expect a crosstalk between the ADCs?
Please see previous responses below. Hope that helps.
Hei Jellenie,thanks for this intfomations, yes that helps to understand the AD7768. Kind regards