Rainbow-electronics ATtiny43U Uživatelský manuál stáhnout pdf (Strana 160)

160

8048B–AVR–03/09

ATtiny43U

20.8 ADC Characteristics – Preliminary Data

Table 20-8. ADC Characteristics, Single_Ended Conversion, T

= -40°C - 85°C, Boost Converter Disabled.

Symbol Parameter Condition Min Typ Max Units

Resolution 10 Bits

Absolute accuracy

(Including INL, DNL, and

quantization, Gain and Offset

Errors)

REF

= 4V, V

= 4V,

ADC clock = 200 kHz

4.0 TBD LSB

REF

= 4V, V

= 4V,

ADC clock = 1 MHz

5.0 TBD LSB

REF

= 4V, V

= 4V,

ADC clock = 200 kHz

Noise Reduction Mode

3.0 TBD LSB

REF

= 4V, V

= 4V,

ADC clock = 1 MHz

Noise Reduction Mode

4.0 TBD LSB

Integral Non-linearity (INL)

(Accuracy after Offset and

Gain Calibration)

REF

= 4V, V

= 4V,

ADC clock = 200 kHz

1.0 TBD LSB

Differential Non-linearity

(DNL)

REF

= 4V, V

= 4V,

ADC clock = 200 kHz

0.5 TBD LSB

Gain Error

REF

= 4V, V

= 4V,

ADC clock = 200 kHz

5.0 TBD LSB

Offset Error

REF

= 4V, V

= 4V,

ADC clock = 200 kHz

-3.0 TBD LSB

Conversion Time Free Running Conversion 14 280 µs

Clock Frequency 50 1000 kHz

Input Voltage GND V

REF

Input Bandwidth 38.4 kHz

INT

Internal Voltage Reference 1.0 1.1 1.2 V

AIN

Analog Input Resistance 100 MΩ

1 2 ... 155 156 157 158 159 160 161 162 163 164 165 ... 181 182

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