Datasheet

336
8011N–AVR–01/10
ATmega164P/324P/644P
Table 25-12. ADC Characteristics, Differential Channels
Symbol Parameter Condition Min
(1)
Typ
(1)
Max
(1)
Units
Resolution
Gain = 1x 10
BitsGain = 10x 10
Gain = 200x 7
Absolute Accuracy (Including INL,
DNL Quantization Error and Offset
Error)
Gain = 1x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
19.5
LSB
Gain = 10x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
20.5
Gain = 200x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
8.5
Integral Non-linearity (INL)
Gain = 1x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
2.25
Gain = 10x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
4.25
Gain = 200x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
11.5
Differential Non-linearity (DNL)
Gain = 1x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
0.75
Gain = 10x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
0.75
Gain = 200x
V
CC
=5 V, V
REF
= 4V
ADC clock = 200 kHz
9.5