AT90PWM2 datasheet(307/365 Pages) ATMEL

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307

4317K–AVR–03/2013

AT90PWM2/3/2B/3B

26.7

ADC Characteristics

Table 26-5.

ADC Characteristics - T

A = -40C to +105C, VCC = 2.7V to 5.5V (unless otherwise noted)

Symbol

Parameter

Condition

Min

Typ

Max

Units

Resolution

Single Ended Conversion

Bits

Differential Conversion

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

6 (*)

LSB

Single Ended Conversion

REF = 2.56V

ADC clock = 2MHz

LSB

Differential Conversion

VREF = 2.56V

ADC clock = 500 kHz

LSB

Differential Conversion

VREF = 2.56V

ADC clock = 1MHz

3 (1)

4LSB

Integral Non-linearity

Single Ended Conversion

CC = 4.5V, V

REF = 2.56V

ADC clock = 1MHz

1.1

1.5

LSB

Single Ended Conversion

CC = 4.5V, V

REF = 2.56V

ADC clock = 500 kHz

0.6

LSB

Differential Conversion

VCC = 4.5V, VREF = 2.56V

ADC clock = 1MHz

1.5

LSB

Differential Conversion

CC = 4.5V, V

REF = 2.56V

ADC clock = 500 kHz

11.5

LSB

Differential Non-linearity

Single Ended Conversion

CC = 4.5V, V

REF = 4V

ADC clock = 1MHz

0.4

0.6

LSB

Single Ended Conversion

VCC = 4.5V, VREF = 4V

ADC clock = 500 kHz

0.3

0.5

LSB

Differential Conversion

CC = 4.5V, V

REF = 4V

ADC clock = 1MHz

0.5

0.8

LSB

Differential Conversion

CC = 4.5V, V

REF = 4V

ADC clock = 500 kHz

0.4

0.8

LSB

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