ATMEGA644PV ATMEL [ATMEL Corporation], ATMEGA644PV Datasheet - Page 250
ATMEGA644PV
Manufacturer Part Number
ATMEGA644PV
Description
8-bit Microcontroller with 16/32/64K Bytes In-System Programmable Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.ATMEGA644PV.pdf
(408 pages)
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ATmega164P/324P/644P
Figure 21-12. Integral Non-linearity (INL)
• Differential Non-linearity (DNL): The maximum deviation of the actual code width (the interval
Figure 21-13. Differential Non-linearity (DNL)
• Quantization Error: Due to the quantization of the input voltage into a finite number of codes, a
• Absolute Accuracy: The maximum deviation of an actual (unadjusted) transition compared to
between two adjacent transitions) from the ideal code width (1 LSB). Ideal value: 0 LSB.
range of input voltages (1 LSB wide) will code to the same value. Always ±0.5 LSB.
an ideal transition for any code. This is the compound effect of Offset, Gain Error, Differential
Error, Non-linearity, and Quantization Error. Ideal value: ±0.5 LSB.
Output Code
Output Code
0x000
0x3FF
0
1 LSB
V
REF
V
REF
Input Voltage
Input Voltage
Ideal ADC
Actual ADC
8011D–AVR–02/07
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