Datasheet

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