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ATMEGA640 Datasheet(PDF) 366 Page - Microchip Technology

Part # ATMEGA640
Description  8-bit Microcontroller with 16/32/64KB In-System Programmable Flash
PDF  436 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

ATMEGA640 Datasheet(HTML) 366 Page - Microchip Technology

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ATmega640/V-1280/V-1281/V-2560/V-2561/V [DATASHEET]
DS40002211A
Table 31-10. ADC Characteristics, Differential Channels
Symbol
Parameter
Condition
Min. (1)
Typ. (1)
Max. (1)
Unit
s
Resolution
Gain =
1×
8
Bits
Gain = 10×
8
Gain = 200×
7
Absolute Accuracy(Including INL, DNL,
Quantization Error, Gain and Offset Error)
Gain = 1×
VREF = 4V, VCC = 5V
CLKADC = 50 - 200kHz
18
LSB
Gain = 10×
VREF = 4V, VCC = 5V
CLKADC = 50 - 200kHz
17
Gain = 200×
VREF = 4V, VCC = 5V
CLKADC = 50 - 200kHz
9
Integral Non-Linearity (INL)
Gain = 1×
VREF = 4V, VCC = 5V
CLKADC = 50 - 200kHz
2.5
Gain = 10×
VREF = 4V, VCC = 5V
CLKADC = 50 - 200kHz
5
Gain = 200×
VREF = 4V, VCC = 5V
CLKADC = 50 - 200kHz
9
Differential Non-Linearity (DNL)
Gain = 1×
VREF = 4V, VCC = 5V
CLKADC = 50 - 200kHz
0.75
Gain = 10×
VREF = 4V, VCC = 5V
CLKADC = 50 - 200kHz
1.5
Gain = 200×
VREF = 4V, VCC = 5V
CLKADC = 50 - 200kHz
10
Gain Error
Gain =
1×
1.7
%
Gain = 10×
1.7
Gain = 200×
0.5
Offset Error
Gain = 1×
VREF = 4V, VCC = 5V
CLKADC = 50 - 200kHz
2
LSB
Gain = 10×
VREF = 4V, VCC = 5V
CLKADC = 50 - 200kHz
2
Gain = 200×
VREF = 4V, VCC = 5V
CLKADC = 50 - 200kHz
3
Clock Frequency
50
200
kHz



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