SXL010GSMT Surface mount pressure sensors GENERAL DESCRIPTION FEATURES The SXL010GSMT surface mount sensor provides the most cost effective method of measuring gage pressures in a fully packaged part. · 0...10 "H2O · Small surface mount package · Gage and absolute pressure SenSym's unique package now allows accurate measurement of gage pressure of 0...10 "H 2 O in a true ceramic surface mount housing. The SXL010GSMT offers a 4-pin closed bridge configuration for electrical connection with additional pads provided for mechanical support. · Low profile and ported packages The SXL010GSMT is designed primarily for use with clean dry gases such as air, nitrogen and the like. · Low cost Scale: 1 cm ½ inch PRESSURE SENSOR CHARACTERISTICS APPLICATIONS Maximum ratings (for all devices) · Medical instrumentation Supply voltage VS Humidity Soldering temperature (2 - 4 sec.) Proof pressure9 Common mode pressure Temperature ranges Operating Storage · Barometers/Altimeters · Industrial controls EQUIVALENT CIRCUIT +12 VDC 0 to 99% RH 250°C 7 psi 50 psi -40 to +125°C -55 to +125°C ELECTRICAL CONNECTION Vs + Output - September 2004 / 590 1/2 www.sensortechnics.com SXL010GSMT Surface mount pressure sensors PERFORMANCE CHARACTERISTICS1 Characteristics Operating pressure range Zero pressure offset (@TA = 25°C) Full-scale span10 Temp. coefficient5,8 Temp. effect5,8 Combined linearity and hysteresis3 Long term stability of offset and span7 Response time (10 to 90 %)6 Input resistance TA = 25°C Output impedance Repeatability Min. 0 -35 20 sp a n resistance offset --------------- Typ. -20 32.5 -2300 +750 +4 0.2 0.1 100 4.2 4.2 0.5 Max. 10 +20 80 Unit "H2O mV ppm/°C --1.0 ----------- µV/V/°C %FS mV µs kΩ %FS Specification notes: Reference conditions: supply voltage, VS = 5Vdc; TA = 0°C to 70°C; common-mode line pressure = 0 psig, pressure applied to P1 unless otherwise noted. 2. Sensitivity is the ratio of the output signal voltage change to the corresponding input pressure change. The sensitivity is characterized by design and periodic production testing. This parameter is not 100 % tested in production. 3. Linearity is is based on best straight line. Hysteresis - the maximum output difference at any point within the operating pressure range for increasing and decreasing pressure. 4. Difference in output at any pressure with the operating pressure range and temperature within 0°C to +70°C after: a) 100 temperature cycles, 0°C to +70°C b) 1.0 million pressure cycles, 0 psi to full-scale span. 5. This is the best straight line fit for operation between 0°C to 70°C. For operation outside this temperature, contact factory for more specific application information. 6. Response time for a 0 psi to full scale span pressure step change. 7. Long term stability over a one year period. 8. This parameter is not 100 % tested. it is guaranteed by process design and tested on a sample basis only. Temp. coefficient of span for the 1 and 5 psi devices is -2550ppm/C to -2050 ppm/C. 9. If the proof pressure is exceed out even momentarily, the sensing die may fracture. However, when the devices operate in forward gage mode and no special care is taken, the package may leak when the pressure exceeds to specified value or 30 psi, whatever is less. 10. Span is the algebraic difference between the output voltage at full scale pressure and the output at zero pressure. 1. PHYSICAL DIMENSIONS SenSym and Sensortechnics reserve the right to make changes to any products herein. SenSym and Sensortechnics do not assume any liability arising out of the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others. mass: 1 g dimensions in inches (mm) 2/2 September 2004 / 590 www.sensortechnics.com