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ATMEGA8_14 Datasheet, PDF (197/331 Pages) ATMEL Corporation – High-performance, Low-power Atmel
Figure 97. Offset Error
Output Code
ATmega8(L)
Ideal ADC
Actual ADC
Offset
Error
VREF Input Voltage
• 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 98. Gain Error
Output Code
Gain
Error
Ideal ADC
Actual ADC
VREF Input Voltage
2486AA–AVR–02/2013
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