Datasheet

275
7734Q–AVR–02/12
AT90PWM81/161
Differential non-linearity
Single Ended conversion,
V
CC
= 4V, V
REF
= 4V
ADC clock = 1MHz
0.2 0.5
LSB
Single Ended conversion,
V
CC
= 4V, V
REF
= 4V
ADC clock = 2MHz
0.6 1
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
0.3 0.8
Differential conversion,
Gain=20× or 40×
V
CC
= 5V, V
REF
= 4V
ADC clock = 2MHz
0.5 1.0
Gain error
Single Ended conversion,
V
CC
= 4V, V
REF
= 4V
ADC clock = 1MHz
0.0 -6.0
LSB
Single Ended conversion,
V
CC
= 2.7V, V
REF
= 2.56V
ADC clock = 2MHz
0.0 -6.0
Differential conversion,
V
CC
= 5V, V
REF
= 4V
ADC clock = 1MHz
-2.0 +2.0
Offset error
Single Ended conversion,
V
CC
= 4V, V
REF
= 4V
ADC clock = 1MHz
-1.0 2.0
LSB
Single Ended conversion,
V
CC
= 2.7V, V
REF
= 2.56V
ADC clock = 2MHz
1.0 4.0
Differential conversion,
V
CC
= 5V, V
REF
= 4V
ADC clock = 1MHz
-1.0 +1.0
Conversion time Single conversion 8 260 µs
Clock frequency 50 2000 kHz
AV
CC
Analog supply voltage V
CC
- 0.3 V
CC
+ 0.3 V
V
REF
Reference voltage 2.56 AV
CC
- 0.6 V
V
IN
Input voltage
Single Ended conversion GND V
REF
Differential conversion -V
REF
/Gain +V
REF
/Gain
Input bandwidth
Single Ended conversion 38.5
kHz
Differential conversion 4
Table 22-6. ADC characteristics - T
A
= -45°C to +105°C, V
CC
= 2.7V to 5.5V (unless otherwise noted). (Continued)
Symbol Parameter Condition Minimum Typical Maximum Units