Atmel ATmega328P Xplained Mini MEGA328P-XMINI MEGA328P-XMINI Data Sheet
Product codes
MEGA328P-XMINI
315
ATmega48A/PA/88A/PA/168A/PA/328/P [DATASHEET]
Atmel-8271H-AVR- ATmega-Datasheet_08/2014
29.8
ADC Characteristics
Note:
1. AV
CC
absolute min./max: 1.8V/5.5V
Table 29-20.
ADC Characteristics
Symbol
Parameter
Condition
Min.
Typ
Max
Units
Resolution
10
Bits
Absolute accuracy (Including
INL, DNL, quantization error,
gain and offset error)
INL, DNL, quantization error,
gain and offset error)
V
REF
= 4V, V
CC
= 4V,
ADC clock = 200kHz
2
LSB
V
REF
= 4V, V
CC
= 4V,
ADC clock = 1MHz
4.5
LSB
V
REF
= 4V, V
CC
= 4V,
ADC clock = 200kHz
Noise Reduction Mode
Noise Reduction Mode
2
LSB
V
REF
= 4V, V
CC
= 4V,
ADC clock = 1MHz
Noise Reduction Mode
Noise Reduction Mode
4.5
LSB
Integral Non-Linearity (INL)
V
REF
= 4V, V
CC
= 4V,
ADC clock = 200kHz
0.5
LSB
Differential Non-Linearity
(DNL)
(DNL)
V
REF
= 4V, V
CC
= 4V,
ADC clock = 200kHz
0.25
LSB
Gain Error
V
REF
= 4V, V
CC
= 4V,
ADC clock = 200kHz
2
LSB
Offset Error
V
REF
= 4V, V
CC
= 4V,
ADC clock = 200kHz
2
LSB
Conversion Time
Free Running Conversion
13
260
µs
Clock Frequency
50
1000
kHz
AV
CC
Analog Supply Voltage
V
CC
- 0.3
V
CC
+ 0.3
V
V
REF
Reference Voltage
1.0
AV
CC
V
V
IN
Input Voltage
GND
V
REF
V
Input Bandwidth
38.5
kHz
V
INT
Internal Voltage Reference
1.0
1.1
1.2
V
R
REF
Reference Input Resistance
32
k
R
AIN
Analog Input Resistance
100
M