Agilent Technologies 93000 SOC Series Training Manual page 345

Mixed-signal training
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ADC Offset Error
ADC offset error measures the analog input voltage range that
leads to output code zero.
Binary Output Code
Ideal code center line
111
110
101
100
011
010
001
000
1/4 FS 1/2 FS 3/4 FS
Offset
Error
ADC Offset Error
ADC Gain Error
ADC gain error is the deviation of the actual difference between
first and last code transitions and the ideal difference between
first and last code transitions.
ADC Gain Error
Lesson 4 – Executing the ADC Linearity Test
Actual code center line
FS
Analog Input
345

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