Pressure Sensor 0-350mBar Range Compact Design High Long Term Sta
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MLX90240
Pressure Sensor
0-350mBar Range Compact Design High Long Term Stability Cost
Applications
Medical Instrumentation (Blood Pressure) Consumer Appliances Sports Equipment Pressure Difference Flow monitoring
Ordering Information
Part MLX90240 MLX90240 Temperature Suffix Package Temperature Range -20C Industrial -20C Industrial
Functional Diagram
Description
MLX90240 discrete micromachined pressure sensor suitable pressure ranges between 350mBar. pressure medium must non-corrosive, such air. 90240 packaged plastic/ceramic package, (CA) ordered unpackaged (UD) principal circuit piezoresistive bridge which realized silicon through special micromachine process. pressure applied bridge, differential voltage change seen across VOUT pins, while bias voltage applied VEXC pins. MLX90240 versatile pressure sensor solution which directly interfaced with other Melexis such MLX90308, which provides amplification, signal conditioning well bias current supply sensor itself.
EXC+
OUT+
EXC-
OUT-
MLX902xx Name Sensor MLX90240 Pressure Sensor
Page
22/Aug/98
Page 25/April/00
MLX90240
Pressure Sensor
MLX90240 Electrical Specifications
Operating Parameters 25C, Pressure 350mBar full scale. Parameter Excitation voltage Offset Offset Sensitivity Sensitivity Bridge impedance Bridge linearity Hysteresis Offset Long term stability Sensitivity Long term stability Burst pressure Operating Temp Storage Temp -0.17 0.057 -0.21 0.063 0.15 -0.26 0.066 0.30 Units µV/°C mV/V/bar %/°C kOhm %/°C pressure
Notes:
Between 70°C After: thermos cycles 70°C pressure cycles mbar Typical 0.5% 0-500 mbar range
MLX90240 Pressure Sensor
Page
25/April/00
MLX90240
Pressure Sensor
Bridge Resistance versus Temperature
14.8
Bridge Resistance versus Temperature
14.8
MLX90240
MLX90240
14.6
14.6
Bridge Resistance kOhm
14.4
Bridge Resistance kOhm
14.4
14.2
14.2
13.8
13.8
Temperature
Temperature
Sensitivity versus Temperature
60.5
MLX90240 Description
MLX90240
Vexc+
Sensitivity mV/V/bar
56.6
Vout+
53.3
Vexcpin Voutpin
46.7
Temperature
MLX902xx Name Sensor MLX90240 Pressure Sensor
Page
22/Aug/98
Page 25/April/00
MLX90240
Pressure Sensor
"CA" Package Dimensions
view Bottom view 0.170 diam 0.030 0.300 0.030
diam 0.028 0.300 0.085 0.060
Cross section
0.340
Notes:
dimensions inches. Maximum temperature during mounting 220°C minute; solder composition lead.
latest version this document, website
0.025
0.122
France
Melexis France Tour Arago, Bellini, 92806 France. Phone: Fax: E-mail: sales_france@melexis.com
www.melexis.com
additional information contact Melexis Direct:
Melexis Inc. Locke Road, Concord, 03301 Phone: 2362 E-mail: sales_usa@melexis.com Fax: 9614
Italy
Dimacred Papa Giovanni XXIII 20046 Biassono, Italy Phone: 4856 Fax: 491773 E-mail: sales_italy@melexis.com
Japan United Kingdom
Silicon Concepts Lynchborough Road, Hampshire GU30 7SB, United Kingdom Phone: 1428 Fax: 1428 E-mail: sales_uk@melexis.com Satori Electric Co., 1-14-10 Shiba, Minato-Ku, Tokyo, Japan Phone: 3452 7171 Fax: 3769 2197 E-mail: sales_japan@melexis.com
Germany
Seestern 40547 Germany Phone: 5360212 Fax: 5360250 E-mail: sales_de@melexis.com
Taiwan
Beechwood Int'l Taiwan Room 17F, 189, Taipei, Taiwan Phone: +886 2739 3322 E-mail: sales_taiwan@melexis.com Fax: +886 2739 3090
MLX90240 Pressure Sensor
Page
0.075
25/April/00
0.050
diam 0.08
0.250
Reliability Information
Melexis devices classified qualified regarding suitability infrared, vapor phase wave soldering with usual (63/37 SnPb-) solder (melting point 183degC). following test methods applied: IPC/JEDEC J-STD-020A (issue April 1999) Moisture/Reflow Sensitivity Classification Nonhermetic Solid State Surface Mount Devices CECC00802 (issue 1994) Standard Method Specification Surface Mounting Components (SMDs) Assessed Quality Method 2003 JEDEC-STD-22 Test Method B102 Solderability
soldering technologies deviating from above mentioned standard conditions (regarding peak temperature, temperature gradient, temperature profile etc) additional classification qualification tests have agreed upon with Melexis. application Wave Soldering SMD's allowed only after consulting Melexis regarding assurance adhesive strength between device board. more information manufacturability/solderability quality page website: http://www.melexis.com/
August 2002
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