ADC : Offset Error and Gain Error Explained

In this video, the Offset Error and the Gain Error in the ADC has been explained.

By watching this video you will learn the following topics:

1:45 The Difference between Ideal, Perfect and the Actual Transfer Function of the ADC

3:23 ADC Offset Error

7:16 ADC Gain Error

For ADC and DAC there are many important parameters like

1) Resolution
2) Reference Voltage
3) Sampling Rate
4) Bandwidth
5) DC Errors
6) Signal to Noise Ratio
7) Effective Number of Bits (ENOB) etc.

Generally, the emphasis is given to only the Resolution Reference Voltage and a Sampling rate of the ADC.
But other parameters are also very important for selecting the ADC for the specific application.
If other parameters are overlooked then one might not get the desired output using the ADC.

In this video, some of the DC errors in the ADC like Offset Error and the Gain Error has been explained.

The link to the other useful videos related to ADC and DAC:

1) Introduction to ADC and DAC
   • Introduction to ADC and DAC  

2) Dual Slope ADC
   • Analog to Digital Converter: Single S...  

3) R-2R ladder DAC
   • R-2R Ladder DAC Explained (with Solve...  

4) Counter Type ADC
   • Counter Type ADC Explained  

5) Tracking Type ADC
   • Analog to Digital Converter: Tracking...  

6) Successive Approximation ADC
   • Successive Approximation ADC Explained  


This video will be helpful to everyone in understanding the Offset and the Gain Error in the ADC.

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