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| 24PC SMT Series (psi) Unamplified, uncompensated pressure sensors FEATURES * 0...1 to 0...15 psi 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 24PC0070DSMT 24PC0350DSMT 24PC1000DSMT 12 V -55 to +100C -40 to +85C 260C 0...100 %RH 20 g sine 50 g 20 psi 20 psi 45 psi ELECTRICAL CONNECTION Vs 1 4 - Output 2 3 + January 2004 / 605 1/4 www.sensortechnics.com 24PC SMT Series (psi) Unamplified, uncompensated pressure sensors PRESSURE SENSOR CHARACTERISTICS Vs = 10.0 0.01 V, tamb = 20C (unless otherwise noted) Listing 24PC01SMT 24PC05SMT 24PC15SMT Order number 24PC0070DSMT 24PC0350DSMT 24PC1000DSMT Operating pressure 0 - 1 psi (69 mbar) 0 - 5 psi (345 mbar ) 0 - 15 psi (1034 mbar) Full-scale span2 Min. Typ. Max. 30 mV 85 mV 165 mV 45 mV 115 mV 225 mV 60 mV 145 mV 285 mV 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. - Voffset V [ 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 January 2004 / 605 www.sensortechnics.com 24PC SMT Series (psi) Unamplified, uncompensated pressure sensors OUTLINE DRAWING mass: 0.5 g dimensions in mm (inches) January 2004 / 605 3/4 www.sensortechnics.com 24PC SMT Series (psi) Unamplified, uncompensated pressure sensors SUGGESTED LAND PATTERN dimensions in mm (inches) ORDERING INFORMATION 2 24PC series non compensated Pressure range 0070: 0 - 1 psi (69 mbar) 0350: 0 - 5 psi (345 mbar) 1000: 0 - 15 psi (1034 mbar) 4 PC xxxx D SMT SMT package Differential pressure 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 January 2004 / 605 www.sensortechnics.com |
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