Rainbow-electronics MAX1338 Manual do Utilizador descarregar pdf (Página 22)

MAX1338

14-Bit, 4-Channel, Software-Programmable,

Multiranging, Simultaneous-Sampling ADC

22 ______________________________________________________________________________________

MAX1338

AIN3-

AIN0+

AIN0-

AIN1+

AIN1-

AIN2+

AIN2-

AIN3+

D12

D10

D11

AGND

DGND

REFADC

REFP1

COM1

+5V

GND

+5V

GND

D13

ANALOG

INPUTS

PARALLEL I/O

EOLC

CONTROL I/O

6, 8, 14, 16, 18, 20, 28

55, 56

0.1µF

1.0µF

0.001µF

0.1µF

INTCLK/EXTCLK

SHDN

CLK

CONVST

EOC

STANDBY

DIGITAL

I/O

DIGITAL

OUTPUT

+3V TO +5V

GND

0.1µF

DRGND

DRV

1.0µF

0.1µF

REFP2

REFN2

REFN1

COM2

Typical Operating Circuit

1 2 ... 17 18 19 20 21 22 23 24

General Description 1
Applications 1
Features 1
Ordering Information 1
ABSOLUTE MAXIMUM RATINGS 2
ELECTRICAL CHARACTERISTICS 2
TO OUTPUT PIN 6
Pin Description 11
Detailed Description 12
Pin Description (continued) 12
Power-Supply Inputs 13
Analog Inputs 13
Data Throughput 14
Clock Modes 14
Applications Sections 15
Starting a Conversion 16
Reading a Conversion Result 16
Reference 17
Transfer Functions 17
Applications Information 18
Definitions 19
Gain Error 20
Signal-to-Noise Ratio (SNR) 20
Typical Operating Circuit 22
Pin Configuration 23
Chip Information 23
Package Information 24

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