Rainbow-electronics ATtiny861_V Manual do Utilizador descarregar pdf (Página 190)

190

2588B–AVR–11/06

ATtiny261/461/861

23.6 ADC Characteristics – Preliminary Data

Note: 1. Values are preliminary.

Table 23-5. ADC Characteristics, Single Ended Channels. -40°C - 85°C

Symbol Parameter Condition Min

(1)

Typ

(1)

Max

(1)

Units

Resolution Single Ended Conversion 10 Bits

Absolute accuracy (Including

INL, DNL, quantization error,

gain and offset error)

Single Ended Conversion

REF

= 4V, V

= 4V,

ADC clock = 200 kHz

2LSB

Single Ended Conversion

REF

= 4V, V

= 4V,

ADC clock = 1 MHz

3LSB

Single Ended Conversion

REF

= 4V, V

= 4V,

ADC clock = 200 kHz

Noise Reduction Mode

1.5 LSB

Single Ended Conversion

REF

= 4V, V

= 4V,

ADC clock = 1 MHz

Noise Reduction Mode

2.5 LSB

Integral Non-linearity (INL)

Single Ended Conversion

REF

= 4V, V

= 4V,

ADC clock = 200 kHz

1LSB

Differential Non-linearity (DNL)

Single Ended Conversion

REF

= 4V, V

= 4V,

ADC clock = 200 kHz

0.5 LSB

Gain Error

Single Ended Conversion

REF

= 4V, V

= 4V,

ADC clock = 200 kHz

2.5 LSB

Offset Error

Single Ended Conversion

REF

= 4V, V

= 4V,

ADC clock = 200 kHz

1.5 LSB

Conversion Time Free Running Conversion 13 260 µs

Clock Frequency 50 1000 kHz

Input Voltage GND V

REF

Input Bandwidth 38.5 kHz

INT

Internal Voltage Reference 1.0 1.1 1.2 V

AIN

Analog Input Resistance 100 MΩ

1 2 ... 185 186 187 188 189 190 191 192 193 194 195 ... 235 236

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