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| 24PC SMT Series (mbar) Unamplified, uncompensated pressure sensors FEATURES * 0...50 mbar to 0...1 bar gage or differential * High impedance bridge * True surface mount miniature package * Usable for wet/wet applications8 SERVICE All media compatible with port 1: - polyphtalamide - silver-filled silicone - silicon nitride - polyphtalamide - fluor-silicone - silicon Scale: 1 cm 1/2 inch port 2: SPECIFICATIONS Maximum ratings Supply voltage Temperature limits Storage Operating Lead temperature (10 sec. soldering) Humidity limits Vibration (0 to 2000 Hz) (qualification tested) Mechanical shock (qualification tested) Proof pressure1 24PC0050DSMT 24PC0100DSMT 24PC0250DSMT 24PC01K0DSMT 12 V ELECTRICAL CONNECTION -55 to +100C -40 to +85C 260C Vs 1 4 0...100 %RH - Output 20 g sine 50 g 2 3 + 1.4 bar 1.4 bar 1.4 bar 3.0 bar June 2005 / 604 1/4 www.sensortechnics.com 24PC SMT Series (mbar) Unamplified, uncompensated pressure sensors PRESSURE SENSOR CHARACTERISTICS Vs = 10.0 0.01 V, tamb = 20C (unless otherwise noted) Part number 24PC0050DSMT 24PC0100DSMT 24PC0250DSMT 24PC01K0DSMT Operating pressure 0 - 50 mbar 0 - 100 mbar 0 - 250 mbar 0 - 1000 mbar Full-scale span2 Min. Typ. Max. 21 mV 43 mV 61 mV 159 mV 33 mV 65 mV 83 mV 218 mV 44 mV 87 mV 105 mV 276 mV Sensitivity typ. 650 V/mbar 650 V/mbar 333 V/mbar 220 V/mbar COMMON PERFORMANCE CHARACTERISTICS Vs = 10.0 0.01 V, tamb = 25C (unless otherwise noted) Characteristics Zero pressure offset Temperature effects (0 - 50C) 4 Min. -30 Offset Span 4 Typ. 2.0 -2000 +2200 0.25 0.15 0.5 Max. +30 Unit mV ppm/C Temperature effects on bridge impedance Linearity (P2 > P1, BSL)3 Repeatability and hysteresis Long term stability7 Input impedance Output impedance Response time6 5 % sp a n 6.0 6.0 1.0 4.0 4.0 5.0 5.0 k ms Specification notes: 1. The maximum specified pressure which may be applied to the sensor without causing a permanent change in the output characteristics. 2. Span is the algebraic difference between the output voltage at full-scale pressure and the output at zero pressure. Span is ratiometric to the supply voltage. 3. Linearity (BSL), the deviation of measured output at constant temperature (25C) from "Best Straight Line" determined by three points, offset pressure, full-scale pressure and half full-scale pressure. V - Voffset [ V1/2 full scale - { (full full scale pressure) scale x (1/2 full scale pressure) + Voffset }] : 2 (Vfull scale) x 100 % where: V = measured value for each device 4. Error band of the offset voltage, span or bridge impedance in the specified temperature range, relative to the 25C reading. 5. Repeatability, the deviation in output readings for successive application of any given input pressure (all other conditions remaining constant. Hysteresis, the error defined by the deviation in output signal obtained when a specific pressure point is approached first with increasing pressure, then with decreasing pressure or vice versa (all other conditions remaining constant). 6. Response time for 0 to full-scale pressure step change, readings taken at 10 % and 90 % of full-scale pressure. 7. Long term stability of offset and span over a period over one year. 8. The sensors might be used on both ports, for media compatible with the components, specified under "Service" (page 1). 2/4 June 2005 / 604 www.sensortechnics.com 24PC SMT Series (mbar) Unamplified, uncompensated pressure sensors OUTLINE DRAWING mass: 0.5 g dimensions in mm (inches) June 2005 / 604 3/4 www.sensortechnics.com 24PC SMT Series (mbar) Unamplified, uncompensated pressure sensors SUGGESTED LAND PATTERN dimensions in mm (inches) ORDERING INFORMATION 2 24PC series non compensated 4 PC xxxx D SMT SMT package Differential pressure 0050: 0100: 0250: 01K0: Pressure range 0 - 50 mbar 0 - 100 mbar 0 - 250 mbar 0 - 1000 mbar Sensortechnics reserves the right to make changes to any products herein. Sensortechnics does 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. 4/4 June 2005 / 604 www.sensortechnics.com |
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