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Shunt reference and Series reference

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Arunmurugesh

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Hi All,
I am currently selecting a voltage reference IC, to provide an external reference to an ADC. I am not sure whether to choose a shunt voltage or series voltage reference. Kindly provide your valuble thoughts on this regard. Thanks in advance.

Keep Sminling,
Best regards,
Murugesh.K
 
Hi All,
I am currently selecting a voltage reference IC, to provide an external reference to an ADC. I am not sure whether to choose a shunt voltage or series voltage reference. Kindly provide your valuble thoughts on this regard. Thanks in advance.

Keep Sminling,
Best regards,
Murugesh.K

hi,:)
Do you mean shunt or series with ref to the ADC or the way the Vref is generated.?
 
The way the reference is generated. A series voltage reference Ic or a shunt voltage reference IC.

hi,
A common way is to use a zener diode or a voltage reference ic to generate the Vref.
Example: a resistor to a dc supply rail connected to a zener or Vref ic.
The ref voltage taken from the junction of the resistor/zener to the ADC.

I suppose that could be classed as a series ref.?

What would you consider a shunt ref.?

Your question is a little ambiguous.???
 
Last edited:
This appnote explains the differences between series and shunt. The selection depends on you application.

**broken link removed**
 
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