Datasheet

343
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
Table 28-18. ADC characteristics, differential channels.
Symbol Parameter Condition Min.
(1)
Typ.
(1)
Max.
(1)
Units
Resolution
Gain = 1× 10
BitsGain = 10× 10
Gain = 200× 7
Absolute Accuracy (Including INL,
DNL Quantization Error and Offset
Error)
Gain = 1×
V
CC
= 5V, V
REF
= 4V
ADC clock = 200kHz
19
LSB
Gain = 10×
V
CC
= 5V, V
REF
= 4V
ADC clock = 200kHz
19
Gain = 200×
V
CC
= 5V, V
REF
= 4V
ADC clock = 200kHz
12
Integral Non-linearity (INL)
Gain = 1×
V
CC
= 5V, V
REF
= 4V
ADC clock = 200kHz
2
Gain = 10×
V
CC
= 5V, V
REF
= 4V
ADC clock = 200kHz
4
Gain = 200×
V
CC
= 5V, V
REF
= 4V
ADC clock = 200kHz
11
Differential Non-linearity (DNL)
Gain = 1×
V
CC
= 5V, V
REF
= 4V
ADC clock = 200kHz
1
Gain = 10×
V
CC
= 5V, V
REF
= 4V
ADC clock = 200kHz
1.5
Gain = 200×
V
CC
= 5V, V
REF
= 4V
ADC clock = 200kHz
11