Rainbow-electronics ATmega64L Manuel d'utilisateur télécharger pdf (Page 206)

100

101

206

ATmega16(L)

2466B–09/01

Figure 107. Offset Error

• Gain error: After adjusting for offset, the gain error is found as the deviation of the

last transition (0x3FE to 0x3FF) compared to the ideal transition (at 1.5 LSB below

maximum). Ideal value: 0 LSB

Figure 108. Gain Error

• Integral Non-Linearity (INL): After adjusting for offset and gain error, the INL is the

maximum deviation of an actual transition compared to an ideal transition for any

code. Ideal value: 0 LSB.

Output code

REF

Input voltage

Ideal ADC

Actual ADC

Offset

Error

Output code

REF

Input voltage

Ideal ADC

Actual ADC

Gain

Error

1 2 ... 201 202 203 204 205 206 207 208 209 210 211 ... 297 298

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Rainbow-electronics ATmega64L Manuel d'utilisateur Page 206

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