厂商Maxim Integrated 集成电路集成电路 MAX6675 数据手册，datasheet pdf下载

型号：	MAX6675
厂商：	Maxim Integrated
分类：	集成电路
描述：	cold-junction-compensated K-thermocoupleto-digital converter (0∑C to +1024∑C)
PDF：	预览
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19-2235; Rev 1; 3/02

Cold-Junction-Compensated K-Thermocouple-

to-Digital Converter (0°C to +1024°C)

General Description

Features

The MAX6675 performs cold-junction compensation

and digitizes the signal from a type-K thermocouple.

The data is output in a 12-bit resolution, SPI™-compati-

ble, read-only format.

o Direct Digital Conversion of Type -K

Thermocouple Output

o Cold-Junction Compensation

o Simple SPI-Compatible Serial Interface

o 12-Bit, 0.25°C Resolution

This converter resolves temperatures to 0.25°C, allows

readings as high as +1024°C, and exhibits thermocou-

ple accuracy of 8LSBs for temperatures ranging from

0°C to +700°C.

o Open Thermocouple Detection

The MAX6675 is available in a small, 8-pin SO package.

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

MAX6675ISA

-20°C to +85°C

8 SO

Applications

Pin Configuration

Industrial

Appliances

HVAC

TOP VIEW

GND

T-

N.C.

Automotive

MAX6675

T+

SCK

SPI is a trademark of Motorola, Inc.

Typical Application Circuit

Vcc

0.1µF

MAX6675

MICROCONTROLLER

68HC11A8

GND

MISO

SCK

T+

T-

SCK

SSB

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.