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AT90USB646 Datasheet(PDF) 407 Page - ATMEL Corporation

Part # AT90USB646
Description  Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
PDF  434 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90USB646 Datasheet(HTML) 407 Page - ATMEL Corporation

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407
7593A–AVR–02/06
AT90USB64/128
30.9 ADC Characteristics – Preliminary Data
Table 30-5.
ADC Characteristics
Symbol
Parameter
Condition
Min(1)
Typ(1)
Max(1)
Units
Resolution
Single Ended Conversion
10
Bits
Differential Conversion
Gain = 1x or 20x
8Bits
Differential Conversion
Gain = 200x
7Bits
Absolute accuracy (Including
INL, DNL, quantization error,
gain and offset error)
Single Ended Conversion
V
REF = 4V, VCC = 4V,
ADC clock = 200 kHz
22.5
LSB
Single Ended Conversion
V
REF = 4V, VCC = 4V,
ADC clock = 1 MHz
4.5
LSB
Single Ended Conversion
V
REF = 4V, VCC = 4V,
ADC clock = 200 kHz
Noise Reduction Mode
2LSB
Single Ended Conversion
V
REF = 4V, VCC = 4V,
ADC clock = 1 MHz
Noise Reduction Mode
4.5
LSB
Integral Non-Linearity (INL)
Single Ended Conversion
VREF = 4V, VCC = 4V,
ADC clock = 200 kHz
0.5
LSB
Differential Non-Linearity (DNL)
Single Ended Conversion
VREF = 4V, VCC = 4V,
ADC clock = 200 kHz
0.25
LSB
Gain Error
Single Ended Conversion
VREF = 4V, VCC = 4V,
ADC clock = 200 kHz
2LSB
Offset Error
Single Ended Conversion
VREF = 4V, VCC = 4V,
ADC clock = 200 kHz
2LSB
Conversion Time
Free Running Conversion
13
260
µs
Clock Frequency
Single Ended Conversion
50
1000
kHz
AVCC
Analog Supply Voltage
VCC - 0.3
VCC + 0.3
V
VREF
Reference Voltage
Single Ended Conversion
1.0
AVCC
V
Differential Conversion
1.0
AVCC - 0.5
V
V
IN
Input Voltage
Single ended channels
GND
VREF
V
Differential Conversion
0
AVCC
V
Input Bandwidth
Single Ended Channels
38,5
kHz
Differential Channels
4
kHz
V
INT1
Internal Voltage Reference
1.1V
1.0
1.1
1.2
V



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