Datasheet

183
7701F–AVR–10/12
Atmel ATtiny24/44/84 [Preliminary]
Table 22-7. ADC Characteristics, Differential Channels, T
A
= -40°C to 125°C
Symbol Parameter Condition Min Typ Max Units
Resolution
Gain = 1x 8 Bits
Gain = 20x 8 Bits
TUE Absolute Accuracy
Gain = 1x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
2.5 5.0 LSB
Gain = 20x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
3.0 6.0 LSB
Integral Non-Linearity (INL)
Gain = 1x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
0.5 2.5 LSB
INL
Bipolar - Gain = 20x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
0.5 3.0 LSB
Unipolar - Gain = 20x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
1.5 5.0 LSB
Differential Non-linearity (DNL)
Gain = 1x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
0.4 1.0 LSB
DNL
Bipolar - Gain = 20x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
0.4 1.0 LSB
Unipolar - Gain = 20x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
0.7 2.0 LSB
Gain Error
Bipolar -Gain = 1x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
-5.0 2.3 5.0 LSB
Unipolar -Gain = 1x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
-5.0 -2.8 5.0 LSB
Bipolar -Gain = 20x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
-7.0 2.2 7.0 LSB
Unipolar -Gain = 20x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
-7.0 -1.8 7.0 LSB