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型号: | MAX6675 |
厂商: |
|
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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Datasheet下载地址
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MAX6675的详细信息
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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-
1
2
3
4
8
7
6
5
N.C.
SO
Automotive
MAX6675
T+
CS
V
SCK
CC
SO
SPI is a trademark of Motorola, Inc.
Typical Application Circuit
Vcc
0.1µF
MAX6675
MICROCONTROLLER
68HC11A8
GND
MISO
SO
SCK
CS
T+
T-
SCK
SSB
________________________________________________________________ Maxim Integrated Products
1
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.
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