David_
Advanced Member level 2

Hello.
I have trouble grasping this, MCP3553 is a single 22bit differential input ADC. It can be supplied with a VDD voltage of 2.7V-5.5V with VSS being ground.
The input range is Vref- to Vref+... If Vref = 3V, -3V to +3V but it says that the minimum input is VSS - 0.3V?
As a real circuit problem I am about to use a LTC2442, it can be used as ether 4 single ended channels or two differential.
Will I get more bang for my buck if I implement a single to differential stage and use the two differential input channels as opposed to using two of the single ended straight away?
(not counting the cost of the extra stage)
Regards
I have trouble grasping this, MCP3553 is a single 22bit differential input ADC. It can be supplied with a VDD voltage of 2.7V-5.5V with VSS being ground.
The input range is Vref- to Vref+... If Vref = 3V, -3V to +3V but it says that the minimum input is VSS - 0.3V?
As a real circuit problem I am about to use a LTC2442, it can be used as ether 4 single ended channels or two differential.
Will I get more bang for my buck if I implement a single to differential stage and use the two differential input channels as opposed to using two of the single ended straight away?
(not counting the cost of the extra stage)
Regards