Adc Characteristics - Atmel ATmega8535L User Manual

ADC Characteristics

Table 114. ADC Characteristics, Single Ended Channels
Symbol Parameter
Resolution
Absolute Accuracy
(Including INL, DNL, Quantization Error, Gain
and Offset Error)
Integral Non-Linearity (INL)
Differential Non-Linearity (DNL)
Gain Error
Offset error
Clock Frequency
Conversion Time
AVCC Analog Supply Voltage
V Reference Voltage
REF
V Input Voltage
IN
ADC Conversion Output
Input Bandwidth
V Internal Voltage Reference
INT
R Reference Input Resistance
REF
R Analog Input Resistance
AIN
Notes: 1. Values are guidelines only.
2. Minimum for AV
3. Maximum for AV
2502K–AVR–10/06
is 2.7V.
CC
is 5.5V
CC
Condition
Single Ended Conversion
Single Ended Conversion
V = 4V, V = 4V
REF CC
ADC clock = 200 kHz
Single Ended Conversion
V = 4V, V = 4V
REF CC
ADC clock = 1 MHz
Single Ended Conversion
V = 4V, V = 4V
REF CC
ADC clock = 200 kHz
Noise Reduction mode
Single Ended Conversion
V = 4V, V = 4V
REF CC
ADC clock = 1 MHz
Noise Reduction mode
Single Ended Conversion
V = 4V, V = 4V
REF CC
ADC clock = 200 kHz
Single Ended Conversion
V = 4V, V = 4V
REF CC
ADC clock = 200 kHz
Single Ended Conversion
V = 4V, V = 4V
REF CC
ADC clock = 200 kHz
Single Ended Conversion
V = 4V, V = 4V
REF CC
ADC clock = 200 kHz
ATmega8535(L)
(1) (1)
Min Typ Max
10
1.5
3
1.5
3
0.75
0.25
0.75
0.75
50 1000
13
(2)
V - 0.3 V
CC CC
2.0 AVCC
GND
0 1023
38.5
2.3 2.56
32
100
(1)
Units
Bits
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
kHz
260 µs
(3)
+ 0.3 V
V
V V
REF
LSB
kHz
2.7 V
kΩ
MΩ
263