Datasheet > TC14433

TC14433

更新时间： 2024-11-17 22:49:55

品牌	Logo	应用领域
TELCOM		转换器
页数	文件大小	规格书
10页	150K
描述
3-1/2 DIGIT A/D CONVERTERS

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TC14433 数据手册

TC14433

TC14433A

3-1/2 DIGIT A/D CONVERTERS

GENERAL DESCRIPTION

FEATURES

The TC14433 is a low power, high-performance, mono-

lithic CMOS 3-1/2 digit A/D converter. The TC14433 com-

bines both analog and digital circuits on a single IC, thus

minimizing the number of external components. This dual-

slope A/D converter provides automatic polarity and zero

correction with the addition of two external resistors and two

capacitors. Thefull-scalevoltagerangeofthisratiometricIC

extends from 199.9 millivolts to 1.999 volts. The TC14433

can operate over a wide range of power supply voltages,

including batteries and standard 5-volt supplies.

■ Accuracy ...................±0.05% of Reading ±1 Count

■ Two Voltage Ranges .............1.999V and 199.9 mV

■ Up to 25 Conversions Per Second

■ Z_IN> 1000M Ohms

■ Single Positive Voltage Reference

■ Auto-Polarity and Auto-Zero

■ Overrange and Underrange Signals Available

■ Operates in Auto-Ranging Circuits

■ Uses On-Chip System Clock or External Clock

■ Wide Supply Range .................... e.g., ±4.5V to ±8V

■ Package Available .................................. 24-Pin DIP

24-Pin CerDIP, 28-Pin SOIC and 28-Pin PLCC

The TC14433 will interface with the TC7211A LCD

display driver.

The TC14433A features improved performance over

the industry standard TC14433. Rollover, which is the

measurement of identical positive and negative signals, is

guaranteed to have the same reading within one count for

the TC14433A. Power consumption of the TC14433A is

typically 4 mW, approximately one-half that of the industry

standard TC14433.

APPLICATIONS

■ Portable Instruments

■ Digital Voltmeters

■ Digital Panel Meters

■ Digital Scales

■ Digital Thermometers

■ Remote A/D Sensing Systems

■ MPU Systems

ORDERING INFORMATION

Part No.

Package

Temp.Range

■ See Application Notes 19 and 21

TC14433AEJG

TC14433AELI

TC14433AEPG

TC14433COG

TC14433EJG

TC14433ELI

24-Pin CerDIP

28-Pin PLCC

– 40°C to +85°C

24-Pin Plastic DIP – 40°C to +85°C

24-Pin SOIC

24-Pin CerDIP

28-Pin PLCC

0°C to +70°C

– 40°C to +85°C

TC14433EPG

24-Pin Plastic DIP – 40°C to +85°C

FUNCTIONAL BLOCK DIAGRAM

20–23

–Q

BCD DATA

MULTIPLEXER

16–19

DS –DS

DIGIT STROBE

POLARITY DETECT

LATCHES

CLK1 CLK0

CLOCK

1'S

10'S

100'S

1,000'S

OVERFLOW

OVERRANGE

REFERENCE VOLTAGE

ANALOG GROUND

ANALOG INPUT

CMOS

ANALOG

SUBSYSTEM

REF

CONTROL

LOGIC

= PIN 24

= PIN 13

= PIN 12

DISPLAY

UPDATE

END OF

CONVERSION

EOC

INTEGRATOR

OFFSET

TC14433/A-6 10/21/96

TELCOM SEMICONDUCTOR, INC.

3-127

12 3 4 5 6 7...10

中文翻译

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与TC14433相关器件

型号	品牌	获取价格	描述	数据表
TC14433_08	MICROCHIP	获取价格	3-1/2 Digit, Analog-to-Digital Converter
TC14433A	MICROCHIP	获取价格	3-1/2 Digit, Analog-to-Digital Converter
TC14433A	TELCOM	获取价格	3-1/2 DIGIT A/D CONVERTERS
TC14433A-E/LI	MICROCHIP	获取价格	3-1/2 Digit, Analog-to-Digital Converter
TC14433A-E/OG	MICROCHIP	获取价格	3-1/2 Digit, Analog-to-Digital Converter
TC14433A-E/PG	MICROCHIP	获取价格	3-1/2 Digit, Analog-to-Digital Converter
TC14433AEJG	MICROCHIP	获取价格	3-1/2 Digit, Analog-to-Digital Converter
TC14433AEJG	TELCOM	获取价格	3-1/2 DIGIT A/D CONVERTERS
TC14433AELI	TELCOM	获取价格	3-1/2 DIGIT A/D CONVERTERS
TC14433AELI	MICROCHIP	获取价格	3-1/2 Digit, Analog-to-Digital Converter

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