Datasheet

297
2466T–AVR–07/10
ATmega16(L)
ADC Characteristics
Table 122. ADC Characteristics
Symbol Parameter Condition Min
(1)
Typ
(1)
Max
(1)
Units
Resolution
Single Ended Conversion 10
Bits
Differential Conversion
Gain = 1x or 10x
8
Differential Conversion
Gain = 200x
7
Absolute Accuracy (Including INL, DNL,
Quantization Error, Gain, and Offset Error).
Single Ended Conversion
V
REF
= 4V, V
CC
= 4V
ADC clock = 200 kHz
1.5 2.5
LSB
Single Ended Conversion
V
REF
= 4V, V
CC
= 4V
ADC clock = 1 MHz
34
Single Ended Conversion
V
REF
= 4V, V
CC
= 4V
ADC clock = 200 kHz
Noise Reduction mode
1.5
Single Ended Conversion
V
REF
= 4V, V
CC
= 4V
ADC clock = 1 MHz
Noise Reduction mode
3
Integral Non-linearity (INL)
Single Ended Conversion
V
REF
= 4V, V
CC
= 4V
ADC clock = 200 kHz
1
Differential Non-linearity (DNL)
Single Ended Conversion
V
REF
= 4V, V
CC
= 4V
ADC clock = 200 kHz
0.5
Gain Error
Single Ended Conversion
V
REF
= 4V, V
CC
= 4V
ADC clock = 200 kHz
1
Offset Error
Single Ended Conversion
V
REF
= 4V, V
CC
= 4V
ADC clock = 200 kHz
Conversion Time Free Running Conversion 13 260 µs
Clock Frequency 50 1000 kHz
AVCC Analog Supply Voltage V
CC
- 0.3
(2)
V
CC
+ 0.3
(3)
V
V
REF
Reference Voltage
Single Ended Conversion 2.0 AVCC
Differential Conversion 2.0 AVCC
- 0.2
V
IN
Input voltage
Single ended channels GND V
REF
Differential channels 0 V
REF
Input bandwidth
Single ended channels 38.5
kHz
Differential channels 4