23 and 33 1psi 23 33 ? pc board mountable pressure sensor ? 0-100 mv output ? current excitation ? gage and differential ? temperature compensated description the 23 and 33 are temperature compensated, piezores istive silicon pressure sensors packaged in a to-8 configuration. it provides excelle nt performance and long-term stability. integral temperature compensation is provided over a range of 0-50c using laser-trimmed resistors. an additional laser-trimmed resistor is included to normalize pressure sensitivity variations by programming the gain of an external differential amplifier. this pr ovides sensitivity interchangeability of 1%. please refer to the 23 and 33 standard datasheets for information on products with operating pressures greater than 1 psi. features applications ? to-8 package ? medical instruments ? 0oc to 50oc compensated temperature range ? process control ? factory automation ? 0.3% non linearity ? leak detection ? 1.0% interchangeable span (provided by gain set resistor) ? airspeed measurement ? level detection ? solid state reliability standard ranges 23 33 range psig psid 0 to 1 ? ? 23 and 33 1psi www.meas-spec.com september 2010 1/4
23 and 33 1psi 23 and 33 1psi www.meas-spec.com september 2010 2/4 performance specifications supply current: 1.5ma ambient temperature: 25c (unless otherwise specified) pressure range 0 ? 1 psi parameters min typ max units notes span 65 100 150 mv 1 zero pressure output -2 2 mv pressure non linearity -0.3 0.2 0.3 %span 2 pressure hysteresis -0.05 0.01 0.05 %span input & output resistance 2500 4400 6000 ? temperature error ? span -1.0 0.5 1.0 %span 3 temperature error ? zero -1.0 0.5 1.0 %span 3 thermal hysteresis ? zero 0.1 %span 3 supply current 1.5 2.0 ma response time (10% to 90%) 1.0 ms 4 output noise (10hz to 1khz) 1.0 v p-p insulation resistance (50 vdc) 50 m ? 5 long term stability (offset & span) 0.2 %span 6 pressure overload 10 psi compensated temperature 0 50 c operating temperature -40 +125 c storage temperature -50 +150 c weight 3 grams solder temperature 250oc max 5 sec. media non-corrosive dry gases compatible with silicon, pyrex, rtv, gold, nickel, and aluminum notes 1. ratiometric to supply current. 2. best fit straight line. 3. maximum temperature error between 0c and 50c with respect to 25c . 4. for a zero-to-full scale pressure step change. 5. minimum distance between case and pins. 6. long term stability over a one year period with constant current and temperature.
23 and 33 1psi dimensions connections 23 and 33 1psi www.meas-spec.com september 2010 3/4
23 and 33 1psi 23 and 33 1psi www.meas-spec.com september 2010 application schematic ordering information 4/4 model pressure range type (g = gage) 23a - 001 g model pressure range type (g = gage) 33a - 001 g north america europe asia measurement specialties 45738 northport loop west fremont, ca 94538 tel: 1-800-767-1888 fax: 1-510-498-1578 sales: pfg.cs.amer@meas-spec.com measurement specialties (europe), ltd. 26 rue des dames 78340 les clayes-sous-bois, france tel: +33 (0) 130 79 33 00 fax: +33 (0) 134 81 03 59 sales: pfg.cs.emea@meas-spec.com measurement specialties (china), ltd. no. 26 langshan road shenzhen high-tech park (north) nanshan district, shenzhen 518107 china tel: +86 755 3330 5088 fax: +86 755 3330 5099 sales: pfg.cs.asia@meas-spec.com the information in this sheet has been carefully reviewed and is believed to be accurate; however, no responsibility is assumed for inaccuracies. furthermore, this informati on does not convey to the purchaser of su ch devices any license under the patent right s to the manufacturer. measurement specialties, inc. reserves the right to make changes without further notice to any product herein. me asurement specialties, inc. makes no warranty, repr esentation or guarantee regarding the suitab ility of its product for any particular pu rpose, nor does measurement specialties, inc. assume any liability arising out of the application or use of an y product or circuit and specific ally disclaims any and all liability, including without limitation consequential or incidental damages. typical parameters can and do vary in different applications. all operating parameters must be validated for each cu stomer application by customer?s technical experts. measure ment specialties, inc. does not convey any license under its patent rights nor the rights of others.
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