ATMEGA2561V ATMEL [ATMEL Corporation], ATMEGA2561V Datasheet - Page 384

• Manufacturer Part Number: ATMEGA2561V
• Description: 8-bit Microcontroller with 64K/128K/256K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Table 171. ADC Characteristics, Differential Channels (Continued)
Note:
Calibrated Internal RC Oscillator Accuracy
Table 172. Calibration Accuracy of Internal RC Oscillator
Notes:
384
Factory Calibration
User Calibration
Symbol
AVCC
V
V
R
R
V
V
REF
DIFF
REF
AIN
INT
IN
1. Values are guidelines only.
1. Voltage range for ATmega640V/1281V/1280V/2561V/2560V.
2. Voltage range for ATmega640/1281/1280/2561/2560.
ATmega640/1280/1281/2560/2561
Parameter
Analog Supply Voltage
Reference Voltage
Input Voltage
Input Differential Voltage
ADC Conversion Output
Input Bandwidth
Internal Voltage Reference
Reference Input Resistance
Analog Input Resistance
7.3 - 8.1 MHz
Frequency
8.0 MHz
1.8V - 5.5V
2.7V - 5.5V
V
3V
CC
Condition
(1)
(2)
Temperature
-40°C - 85°C
-V
V
2.7(2.0)
REF
25°C
Min
CC
GND
-511
2.3
- 0.3
/Gain
(1)
Typ
2.56
100
32
4
(1)
Calibration Accuracy
AVCC - 0.5
V
V
REF
Max
CC
V
511
2.8
+ 0.3
CC
/Gain
±10%
±1%
(1)
2549K–AVR–01/07
Units
LSB
kHz
MΩ
kΩ
V
V
V
V
V