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ATtiny44 Datasheet(PDF) 182 Page - ATMEL Corporation

Part # ATtiny44
Description  8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
PDF  236 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATtiny44 Datasheet(HTML) 182 Page - ATMEL Corporation

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182
8006H–AVR–10/09
ATtiny24/44/84
Note:
1. Values are preliminary.
Table 20-11. ADC Characteristics, Differential Channels (Bipolar Mode), T
A = -40°C to 85°C
Symbol
Parameter
Condition
Min(1)
Typ(1)
Max(1)
Units
Resolution
Gain = 1x
10
Bits
Gain = 20x
10
Bits
Absolute accuracy
(Including INL, DNL, and Quantization, Gain
and Offset Errors)
Gain = 1x
VREF = 4V, VCC = 5V
ADC clock = 50 - 200 kHz
8.0
TBD
LSB
Gain = 20x
VREF = 4V, VCC = 5V
ADC clock = 50 - 200 kHz
8.0
TBD
LSB
Integral Non-Linearity (INL)
(Accuracy after Offset and Gain Calibration)
Gain = 1x
VREF = 4V, VCC = 5V
ADC clock = 50 - 200 kHz
4.0
TBD
LSB
Gain = 20x
VREF = 4V, VCC = 5V
ADC clock = 50 - 200 kHz
5.0
TBD
LSB
Gain Error
Gain = 1x
4.0
TBD
LSB
Gain = 20x
5.0
TBD
LSB
Offset Error
Gain = 1x
V
REF = 4V, VCC = 5V
ADC clock = 50 - 200 kHz
3.0
TBD
LSB
Gain = 20x
V
REF = 4V, VCC = 5V
ADC clock = 50 - 200 kHz
4.0
TBD
LSB
Conversion Time
Free Running Conversion
70
280
µs
Clock Frequency
50
200
kHz
VIN
Input Voltage
GNDVCC
V
V
DIFF
Input Differential Voltage
V
REF/Gain
V
Input Bandwidth
4kHz
AREF
External Reference Voltage
2.0
VCC - 1.0
V
V
INT
Internal Voltage Reference
1.0
1.1
1.2
V
RREF
Reference Input Resistance
32
k
Ω
RAIN
Analog Input Resistance
100
M
Ω
ADC Conversion Output
-512
511
LSB



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