ATmega88 Automotive
1.4
ADC Characteristics
Test Conditions
–40°C to +85°C -
1.8V to 2.7V
ADC clock = 125 kHz
–40°C to +85°C -
2.7V to 5.5V
ADC clock = 200 kHz
V
CC
= 1.8V, V
Ref
= 1.8V
V
CC
= 4.0V, V
Ref
= 4.0V
V
CC
= 1.8V, V
Ref
= 1.8V
V
CC
= 4.0V, V
Ref
= 4.0V
V
CC
= 1.8V, V
Ref
= 1.8V
V
CC
= 4.0V, V
Ref
= 4.0V
TUE
INL
DNL
–3.5
–3.5
V
CC
= 1.8V to 2.7V
V
CC
= 2.7V to 5.5V
AV
CC
V
REF
V
IN
V
INT
R
REF
R
AIN
50
50
V
CC
– 0.3
1.0
GND
38.5
1.0
22.4
1.1
32
100
1.2
41.6
Symbol
Min
Typ
10
Max
Unit
Bits
T
A
= –40°C to +85°C, V
CC
= 1.8V to 5.5V (unless otherwise noted)
Parameters
Resolution
10
2.2
2.1
0.6
0.5
0.4
0.3
–1.5
2.0
3.5
3.5
2.0
1.5
1.0
0.7
3.5
3.5
125
200
V
CC
+ 0.3
AV
CC
V
REF
– 50mV
Bits
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
kHz
kHz
V
V
V
kHz
V
kΩ
MΩ
Absolute accuracy
Integral Non Linearity
Differential Non Linearity
Gain error
Offset error
Clock frequency
Analog Supply Voltage
Reference Voltage
Input Voltage
Input Bandwidth
Internal Voltage Reference
Reference Input Resistance
Analog Input Resistance
5
7738C–AVR–11/09
ATMEL [ ATMEL CORPORATION ]
