ATMEGA1284P_14 Datasheet, PDF (331/380 Pages) ATMEL Corporation – High-performance, Low-power AVR

ATmega1284P
26.8 ADC Characteristics
Table 26-8. ADC Characteristics, Single Ended Channel
Symbol Parameter
Condition
Resolution
Single Ended Conversion
Single Ended Conversion
V_REF = 4V, V_CC = 4V,
ADC clock = 200 kHz
Absolute accuracy (Including
INL, DNL, quantization error,
gain and offset error)
Single Ended Conversion
V_REF = 4V, V_CC = 4V,
ADC clock = 1 MHz
Single Ended Conversion
V_REF = 4V, V_CC = 4V,
ADC clock = 200 kHz
Noise Reduction Mode
Single Ended Conversion
V_REF = 4V, V_CC = 4V,
ADC clock = 1 MHz
Noise Reduction Mode
Integral Non-Linearity (INL)
Single Ended Conversion
V_REF = 4V, V_CC = 4V,
ADC clock = 200 kHz
Differential Non-Linearity (DNL)
Single Ended Conversion
V_REF = 4V, V_CC = 4V,
ADC clock = 200 kHz
Gain Error
Single Ended Conversion
V_REF = 4V, V_CC = 4V,
ADC clock = 200 kHz
Offset Error
Single Ended Conversion
V_REF = 4V, V_CC = 4V,
ADC clock = 200 kHz
Conversion Time
Free Running Conversion
Clock Frequency
Single Ended Conversion
AVCC Analog Supply Voltage
V_REF
V_IN
Reference Voltage
Input Voltage
Input Bandwidth
V_INT1
V_INT2
R_REF
R_AIN
Internal Voltage Reference
Internal Voltage Reference
Reference Input Resistance
Analog Input Resistance
1.1V
2.56V
Notes: 1. Values are guidelines only.
Min⁽¹⁾
13
50
V_CC - 0.3
1.0
GND
1.0
2.33
Typ⁽¹⁾
10
2
3
2
3
1.2
0.3
2
-1.6
TBD
1.1
2.56
32
100
Max⁽¹⁾
260
1000
V_CC + 0.3
AVCC
V_REF
1.2
2.79
Units
Bits
LSB
µs
kHz
V
V
V
kHz
V
V
kΩ
MΩ
8059D–AVR–11/09
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