a 16035 vineyard blvd., morgan hill, ca 95037 p 408 225 4314 f 408 225 2079 e www.allsensors.com all sensors all sensors all sensors all sensors all sensors all sensors 06/20/2006 ascx series compatible rev a pin 1: vsupply pin 2: voutput pin 3: common pin 4: do not connect 0.80 (20.3) 0.85 (21.6) 1.10 (27.9) 0.10 typical (2.54) a b 1 pin 1 2 3 4 0.66 (16.0) 0.21 (5.3) 0.42 (10.5) 0.48 (12.2) 0.55 (14.0) 0.174 to 0.190 (4.4 to 4.8) 1.08 (27.4) 0.25 (6.4) pin size 0.010 x 0.020 (0.25 x 0.50) notes: 1) dimensions in inches (millimeters) all sensors reserves the right to make changes to any products herein. all sensors 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. compatible to sensym ascx series ? 5 vdc supply ? high level voltage output ? ratiometric 4.5 v span ? temperature compensated ? calibrated zero and span ? multiple pressure ranges features ascx series compatible pressure sensors physical dimensions equivalent circuit pin 1: vsupply pin 2: voutput pin 3: common - + ? medical instrumentation ? environmental instrumentation ? hvac instrumentation ? pneumatic controls applications the amplified line of middle pressure sensors is based upon a proprietary package technology to reduce errors. this model pro vides a ratiometric 4.5-volt output span with superior output characteristics. the sensor housing has been designed specifically to reduce package induced parasitic stress and strain. in addition the sensor utilizes a silicon, micromachined, stress concentration enhanced structure to provide a very linear output to measured pressure. these calibrated and temperature compensated sensors give an accurate and stable output over a wide temperature range. each sensor is internally compensated using an asic compensation technique. this series is intended for use with non- corrosive, non-ionic working fluids such as air, dry gases and the like. the output of the device is ratiometric to the supply voltage over a supply voltage range of 4.5 to 5.5 volts. general description ds-0023 rev a www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r
ascx series compatible rev a specification notes 1) a ll parameters are measured at 5.0 volt excitation , for the nominal full scale pressure and room temperature unless otherwise specified . p ressure measurements are with positive pressure applied to p ort b. a bsolute devices are with pressure applied to p ort a. 2) s hift is relative to 25c. 4) m easured at one - half full scale rated pressure using best straight line curve fit for the span indicated . 5) t he voltage added to the offset voltage at full scale pressure . n ominally the output voltage range is 0.25 to 4.75 volts for minus to plus full scale pressure . 6) p arameter is computed as maximum for design reference and is not tested . 7) m aximum diference in output at any pressure within the operating pressure range and compensated temperature range after : a) 1000 temperature cycles and b) 1.0 million pressure cycles . 8) r esponse time for a zero to f ull s cale pressure step change , 10% to 90% rise time . supply voltage, vs +4.5 to +5.5 vdc lead soldering temperature (2-4 sec.) 250 c quiescent current (6) 7.5 ma maximum ratings compensated temperature 0 to 70c operating temperature -25 to 105c storage temperature -55 to 125c humidity limits (non condensing) 0 to 95% rh environmental specifications part number operating pressure proof pressure burst pressure 1 psi-d-4v-ascx 0 - 1 psid 5 psi 10 psi 5 psi-d-4v-ascx 0 - 5 psid 15 psi 30 psi 15 psi-d-4v-ascx 0 - 15 psid 45 psi 75 psi 15 psi-a-4v-ascx 0 - 15 psia 45 psi 75 psi 30 psi-d-4v-ascx 0 - 30 psid 100 psi 150 psi 30 psi-a-4v-ascx 0 - 30 psia 100 psi 150 psi 100 psi-d-4v-ascx 0 - 100 psid 150 psi 150 psi 100 psi-a-4v-ascx 0 - 100 psia 150 psi 150 psi pressure ranges parameter (1) minimum nominal maximum units output span (5) 4.45 4.50 4.55 volt span shift (0 c to 70 c) - 0.2 1.0 %span offset voltage @ zero pressure 0.20 0.25 0.30 volt offset shift (0 c to 70 c) (2) - 0.5 1.0 %span combined linearity and hysteresis error (4) - 0.1 0.5 %span repeatability (7) - 0.2 0.5 % span response time (8) - 100 - usec performance characteristics for 15/30/100 psi-x-4v-ascx parameter (1) minimum nominal maximum units output span (5) 4.43 4.50 4.57 volt span shift (0 c to 70 c) - 0.2 1.5 %span offset voltage @ zero pressure 0.18 0.25 0.32 volt offset shift (0 c to 70 c) (2) - 0.5 1.5 %span combined linearity and hysteresis error (4) - 0.1 0.5 %span repeatability (7) - 0.2 0.5 % span response time (8) - 100 - usec performance characteristics for 1/5 psi-d-4v-ascx ds-0023 rev a www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r www .allsensor s.com original in r ed r
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