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MLX90323
4-20mA current loop sensor interface IC
Description
Documents
Tools
Environmental
FAQ
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Download MLX90323 Datasheet (PDF)
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MLX90323 General Description
The MLX90323 is a sensor interface IC with 4-20 mA current loop output for sensors wired in bridge or differential configurations.
Sensors that can be used include thermistors, strain gauges, load cells, pressure sensors, accelerometers, etc...
The signal conditioning includes gain adjustment, offset control, high order temperature and linearity compensation. Compensation values are stored in EEPROM and are re-programmable. Programming is accomplished by using a PC, with an interface circuit (level shifting and glue logic), and provided software.
The robust electrical design allows the MLX90323 to be used where most signal conditioning and sensor interface circuits cannot be used. Voltage regulation control is provided for absolute voltage and current modes (external FET required).
The standard package is a plastic SO16W. The device is static-sensitive and requires ESD precautions.
For further information, please contact
Dieter Verstreken, die@melexis.com.
MLX90323 Features and Benefits
Microprocessor-controlled signal conditioning for bridge-type sensors
Suited for low-cost sensors: reduction of non-linearity by programmable coefficients External or internal temperature sensor for compensating temperature errors
4 to 20 mA current loop output
Mass calibration easy with 2400 or 9600 baud UART
Power supply from 6 to 35VDC
MLX90323 Related Products
Part Number
Description
EVB90308
Demo Kit for MLX90308
MLX90323 Applications
MLX90323 Documentation
DataSheet
File Type
Size
Revision
Date
Action
MLX90323
PDF
337.2 KB
1
6/11/2008
MLX90323 Tools
Software & Tools
File Type
Size
Revision
Date
Action
Calibration software 90323
EXE
170.4 KB
1.1
10/15/2008
Hardware description
PDF
471.0 KB
1.2
10/15/2008
Library description
PDF
198.9 KB
1.2
10/15/2008
Software Manual
PDF
393.2 KB
1.2
10/15/2008
MLX90323 Environmental Information
Environmental Information
File Type
Size
Revision
Date
Action
Green / Halogen Free Compliance Declaration MLX90323
PDF
39.7 KB
1.0
10/6/2009
Package Material Declaration - SOIC16W GR - S1
PDF
111.6 KB
6.0
1/25/2012
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MLX90323 In The Press
MLX90323 Frequently asked Questions
90323 vs 90314
Question
What is the difference between the MLX90323 and the MLX90314?
Answer
The MLX90323 is designed to work in industrial applications. The temperature range is smaller then the one for the MLX90314 (-40 to 125). Furthermore the MLX90323 has only a current output while the MLX90314 can also be programmed with a voltage output.
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