Rainbow-electronics AT90LS4433 Manual do Utilizador descarregar pdf (Página 71)

AT90S/LS4433

1042G–AVR–09/02

Notes: 1. Minimum for AVCC is 2.7V.

2. Maximum for AVCC is 6.0V.

ADC Characteristics T

=-40°Cto85°C

Symbol Parameter Condition Min Typ Max Units

Resolution 10 Bits

Absolute Accuracy

REF

=4V

ADC clock = 200 kHz

12LSB

Absolute Accuracy

REF

=4V

ADC clock = 1 MHz

4LSB

Absolute Accuracy

REF

=4V

ADC clock = 2 MHz

16 LSB

Integral Non-linearity V

REF

>2V 0.5 LSB

Differential Non-linearity V

REF

>2V 0.5 LSB

Zero Error (Offset) 1 LSB

Conversion Time 65 260 µs

Clock Frequency 50 200 kHz

AVCC Analog Supply Voltage V

-0.3

(1)

+0.3

(2)

REF

Reference Voltage 2 AVCC V

REF

Reference Input Resistance 6 10 13 kΩ

AIN

Analog Input Resistance 100 MΩ

1 2 ... 66 67 68 69 70 71 72 73 74 75 76 ... 124 125

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