ATMEGA325-16AJ ATMEL [ATMEL Corporation], ATMEGA325-16AJ Datasheet - Page 291

• Manufacturer Part Number: ATMEGA325-16AJ
• Description: 8-bit Microcontroller with In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

ADC Characteristics – Preliminary Data
Table 125. ADC Characteristics
Note:
2570A–AVR–09/04
Symbol
AVCC
V
R
R
V
V
REF
REF
INT
AIN
IN
1. V
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
Conversion Time
Clock Frequency
Analog Supply Voltage
Reference Voltage
Input Voltage
Input Bandwidth
Internal Voltage Reference
Reference Input Resistance
Analog Input Resistance
DIFF
must be below V
REF
Single Ended Conversion
Differential Conversion
Single Ended Conversion
V
ADC clock = 200 kHz
Single Ended Conversion
V
ADC clock = 1 MHz
Single Ended Conversion
V
ADC clock = 200 kHz
Noise Reduction Mode
Single Ended Conversion
V
ADC clock = 1 MHz
Noise Reduction Mode
Single Ended Conversion
V
ADC clock = 200 kHz
Single Ended Conversion
V
ADC clock = 200 kHz
Single Ended Conversion
V
ADC clock = 200 kHz
Single Ended Conversion
V
ADC clock = 200 kHz
Free Running Conversion
Single Ended Conversion
Single Ended Conversion
Differential Conversion
Single ended channels
Differential Conversion
Single Ended Channels
Differential Channels
REF
REF
REF
REF
REF
REF
REF
REF
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
Condition
CC
CC
CC
CC
CC
CC
CC
CC
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
ATmega325/3250/645/6450
V
CC
GND
Min
1.0
1.0
1.0
13
50
0
- 0.3
0.25
38,5
Typ
100
4.5
4.5
0.5
1.1
32
10
8
2
2
2
2
4
AVCC - 0.5
V
AVCC
CC
AVCC
1000
Max
V
260
2.5
1.2
REF
+ 0.3
(1)
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
kHz
kHz
kHz
Bits
Bits
MΩ
kΩ
µs
V
V
V
V
V
V
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