Datasheet

274
7734Q–AVR–02/12
AT90PWM81/161
22.7 ADC Characteristics
Table 22-6. ADC characteristics - T
A
= -45°C to +105°C, V
CC
= 2.7V to 5.5V (unless otherwise noted).
Symbol Parameter Condition Minimum Typical Maximum Units
Resolution
Single Ended Conversion 10
Bits
Differential conversion,
Gain = 5× or 10×
8
Differential conversion,
Gain = 20× or 40×
8
Absolute accuracy
Single Ended Conversion,
V
CC
= 4V, V
REF
= 4V
ADC clock = 1MHz
24
LSB
Single Ended Conversion,
V
CC
= 2.7V, V
REF
=2.56V
ADC clock = 2MHz
2.2 4
Differential conversion,
Gain = 5× or 10×
V
CC
= 5V, V
REF
= 4V
ADC clock = 1MHz
1.2 2.0
Differential conversion,
Gain = 20× or 40×
V
CC
= 5V, V
REF
= 4V
ADC clock = 2MHz
1.5 3.0
Integral non-linearity
Single Ended Conversion,
V
CC
= 4V, V
REF
= 4V
ADC clock = 1MHz
0.6 1
LSB
Single Ended Conversion,
V
CC
= 4V, V
REF
= 4V
ADC clock = 2MHz
0.8 1.5
Single Ended Conversion,
V
CC
= 2.7V, V
REF
= 2.56V
ADC clock = 2MHz
1.0 2.5
Differential conversion,
Gain=5× or 10×
V
CC
= 5V, V
REF
= 4V
ADC clock = 1MHz
0.5 1.0
Differential conversion,
Gain=20× or 40×
V
CC
= 5V, V
REF
= 4V
ADC clock = 2MHz
0.8 2.0