Rainbow-electronics ATmega64M1 Manuale Utente Scaricare il pdf (Pagina 316)

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101

316

8209A–AVR–08/09

ATmega16M1/32M1/64M1

29.9 ADC Characteristics

Table 29-4. ADC Characteristics - T

= -40°C to +85°C, V

= 2.7V to 5.5V (unless otherwise noted)

Symbol Parameter Condition Min Typ Max Units

Resolution

Single Ended Conversion 10 Bits

Differential Conversion 8 Bits

Absolute accuracy

Single Ended Conversion

REF

= 2.56V

ADC clock = 500 kHz

2.5 LSB

Single Ended Conversion

REF

= 2.56V

ADC clock = 1MHz

6LSB

Single Ended Conversion

REF

= 2.56V

ADC clock = 2MHz

LSB

Differential Conversion

REF

= 2.56V

ADC clock = 500 kHz

2LSB

Differential Conversion

REF

= 2.56V

ADC clock = 1MHz

3LSB

Integral Non-linearity

Single Ended Conversion

= 4.5V, V

REF

= 2.56V

ADC clock = 1MHz

1.1 LSB

Single Ended Conversion

= 4.5V, V

REF

= 2.56V

ADC clock = 500 kHz

0.6 LSB

Differential Conversion

= 4.5V, V

REF

= 2.56V

ADC clock = 1MHz

1.5 LSB

Differential Conversion

= 4.5V, V

REF

= 2.56V

ADC clock = 500 kHz

1LSB

Differential Non-linearity

Single Ended Conversion

= 4.5V, V

REF

= 4V

ADC clock = 1MHz

0.4 LSB

Single Ended Conversion

= 4.5V, V

REF

= 4V

ADC clock = 500 kHz

0.3 LSB

Differential Conversion

= 4.5V, V

REF

= 4V

ADC clock = 1MHz

0.5 LSB

Differential Conversion

= 4.5V, V

REF

= 4V

ADC clock = 500 kHz

0.4 LSB

1 2 ... 311 312 313 314 315 316 317 318 319 320 321 ... 342 343

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