AT89C51AC3-RDTIM datasheet(123/143 Pages) ATMEL

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123

AT89C51AC3

4383B–8051–01/05

Figure 65. ICC Test Condition, Idle Mode

Figure 66. ICC Test Condition, Power-Down Mode

Figure 67. Clock Signal Waveform for ICC Tests in Active and Idle Modes

DC Parameters for A/D

Converter

Table 72. DC Parameters for AD Converter in Precision Conversion

Note:

1. Typicals are based on a limited number of samples and are not guaranteed.

RST

XTAL2

XTAL1

VSS

VCC

ICC

(NC)

VCC

All other pins are disconnected.

CLOCK

SIGNAL

RST

XTAL2

XTAL1

VSS

VCC

ICC

(NC)

VCC

All other pins are disconnected.

VCC-0.5V

0.45V

0.7VCC

0.2VCC-0.1

TCLCH

TCHCL

TCLCH = TCHCL = 5ns.

Symbol Parameter

Min

Typ(1)

Max

Unit

Test Conditions

AVin

Analog input voltage

Vss- 0.2

Vref + 0.2

Rref

Resistance between Vref and Vss

Vref

Reference voltage

2.40

3.00

Cai

Analog input Capacitance

pF During sampling

Rai

Analog input Resistor

400

Ω During sampling

INL

Integral non linearity

lsb

DNL

Differential non linearity

0.5

lsb

Offset error

-2

lsb

AT89C51AC3-RDTIM 数据表(PDF) 123 Page - ATMEL Corporation

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