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mems gauge pressure sensor 2smpp 35 mems gauge pressure sensor 2smpp mems gauge pressure sensor featuring small size and lo w power consumption ? ultra-miniature 6.1 4.7 8.2 mm (l w h). ? piezo resistive element provides electrical characteristics that are superior to capacitive type pressure sensors. ? 0 to 37 kpa pressure range. ? low power consumption of 0.2 mw ? low temperature influence ? rohs compliant ordering information standard models with surface mount package terminal arrangement application examples ? medical equipment ? home appliance ? air movement control ? level indicators ? leak detection ? pressure controller classification structure packaging model bottom port type sop plastic sleeve 2SMPP-02 vo u t ( ? ) ns u b non conneted gnd icc vo u t ( + )
36 mems gauge pressure sensor 2smpp specifications ratings note: 1. the a b ove values are initial values measured at am b ient temperature condition of 23 c. 2. please avoid caustic gases. 3. standard product is not cali b rated for negative pressures. electrical characteristics note: 1. the a b ove values are initial values measured at am b ient temperature condition of 23 c. 2. n ot including temperature influence. environment characteristics item 2SMPP-02 pressure type gauge pressure sensing type piezo resistive applicable gases air ( n on-corrosive, dust free) ratings pressure range 0 to 37 kpa withstand pressure max. 53 kpa supply current 100 adc current consumption max. 130 adc ambient operating temperature 0 to 50 c (with no icing or condensation) ambient operating humidity 15 to 90%rh (with no icing or condensation) ambient storage temperature ? 30 to 85 c (with no icing or condensation) ambient storage humidity 10 to 95%rh (with no icing or condensation) item 2SMPP-02 bridge resistance 20 2 k offset voltage (see note 2.) ? 2.5 4.0 m v span voltage (see note 2.) 31.0 3.1 m v (at 37 kpa) non-linearity (see note 2.) 0 0.8%fs (0 to 37 kpa) hysteresis (see note 2.) 0 0.5%fs (0 to 37 kpa) temperature influence of span 0.5 1.0%fs (at 0 c) 0.3 1.0%fs (at 50 c) temperature influence of offset 0 3.0%fs (0 to 25 c) 0 3.0%fs (25 to 50 c) item 2SMPP-02 vibration resistance destruction 10 hz to 500 hz 10 g malfunction 10 hz to 500 hz 10 g shock resistance destruction 15 g malfunction 15 g life expectancy 300,000 operations min. (0 to 39 kpa) esd 1000 v (human b ody model) weight 0.17 g package material pps (polyphenylenesulfide) mems gauge pressure sensor 2smpp 37 engineering data (for reference) output characteristics rated pressure vs. output voltage note: 1. am b ient temperature condition: 25 c 2. drive current: 100 a 3. these output voltage characteristics are measured with tester without a mounting b oard. 4. the output voltage characteristics may b e influenced b y the mounting b oard. be sure to check operation including dura b ility in actual equipment b efore use. temperature influence of span voltage t emperature influence of offset voltage note: 1. measured points are 0 c and 25 c, 50 c 2. drive current: 100 a 3. these output voltage characteristics are measured with tester without a mounting b oard. 4. the output voltage characteristics may b e influenced b y the mounting b oard. be sure to check operation including dura b ility in actual equipment b efore use. rated pressure [kpa] output voltage [mv] ? 5 01020304050 40 35 30 25 20 15 10 5 0 temperature [c] ? 1.0 0.0 ? 0.5 ? 100 102030405060 0.5 1.0 1.5 2.0 temp. influence of span voltage [%fs] temperature [c] ? 2.0 ? 1.0 ? 1.5 0.0 ? 0.5 ? 100 102030405060 0.5 1.0 1.5 2.0 temp. influence of offset voltage [%fs] 38 mems gauge pressure sensor 2smpp pressure cycle range (0 to 40 kpa) note: 1. tested temperature condition: 25 c 2. n um b er of pressure cycle time: 3 x 10 5 3. rated cycle pressure: 0 to 40 kpa 4. these output voltage characteristics are m easured with tester without a mounting b oard. example of application circui t for mems pressure sensor 1. the pressure sensor is designed to convert a voltage b y means of constant current drive. 2. please amplify the output voltage of the pressure sensor b y using the amplifying circuit if necessary. pressure cycle ? 1 0 ? 0.5 0 100000 200000 300000 0.5 1 offset voltage range [%fs] pressure cycle ? 1 0 ? 0.5 0 100000 200000 300000 0.5 1 span voltage range [%fs] + ? + ? + ? + ? mems gauge pressure sensor 2smpp 39 dimensions note: all units are in millimeter s unless otherwise indicated. a 3#1 46 5 pp0 2 6 7 8 4.75 4.00 9.85 3.20 0.62 3.80 6.15 5.40 1.27 x 2 = 2.54 1.27 1.00 2.00 1.50 2.80 4.75 1.00 the tolerance is 0.3mm unless otherwise specified. (1.10) 2.60 1.80 4-r0.50 0.40 0.25 0.05 6 icc 5 n-sub 6 vout (-) 1 vout (+) 2 nc 3 gnd 5.45 4.05 3.30 1.65 (0.90) 0.90 0.45 1.125 1.125 1.65 (1.075) lot number 0.10 0.75 top view 2SMPP-02 marking 40 mems gauge pressure sensor 2smpp precautions precautions for correct use handling ? only air can b e used as pressure media on the products directly. it is prohi b ited to use pressure media including corrosive gases (e.g. organic solvents gases, sulfur dioxide and hydrogen sulfide gases), fluid and any other foreign materials. ? the products are not water proof. please keep dry in use. ? don't use the products under de w-condensing conditions. frozen fluid on sensor chips may also c ause fluctuation of sensor output and other trou b les. ? don't put foreign materials (e.g. a wire or pin) into connecting tu b e. it may cause b reakage of pressure sensor chips or fluctuation of sensor output caused b y clogging the tu b e. ? use the products within rated pr essure. usage at pressure out of the range may cause b reakage. ? don't use under high-frequency vi b ration including ultrasonic wave. ? the products may b e b roken b y static electricity. charged materials (e.g. a work b ench and a floor) and workers must provide measures against static electricity, including ground connection. ? overpowering terminals may deform them and detract their solder- a b ility. don't drop or handl e the products roughly. ? don't use the products under humid or dusty condition. ? terminals connection of pressure sensors must b e handled as directed b y a connection diagram. environmental conditions for transport and storage ? it is prohi b ited to keep the products with corrosive gases (e.g. organic solvents gases, sulfur dioxide and hydrogen sulfide gases). ? the products are not water proof. please keep dry during storage. ? an anti-static treatment has b een applied to the sleeves. please note the following points. 1. getting wet may remove an anti-static treatment and elimi- nate its effect. 2. the sleeves may feel sticky under hot and humid condition due to the nature of the anti-static treatment. 3. anti-static has aging degradation. it is prohi b ited to keep the sleeves for more than six months. the sleeves are also non- reusa b le. ? don't keep the products under humid or dusty condition. mounting ? use lands on the printed-circuit b oards to which the sensor can b e securely fixed. ? fix pin n o.2 on the printed-circuit b oards, not fixed causes fluctua- tion of sensor output signals. soldering ? due to its small size, the thermal capacity of the pressure sensor is low. therefore, take steps to minimize the effects of external heat. ? dip soldering b ath: max.260 c, within 10 sec. ? soldering iron: max. 260 c, within 10 sec. ? do not heat the case of sensor package, heat only terminal. ? use a non-corrosive resin type of flux. since the pressure sensor chip is exposed to the atmosphere, do not allow flux to enter inside. cleaning ? since the pressure sensor chip is exposed to atmosphere, do not allow cleaning fluid to enter inside. ? avoid ultrasonic cleaning since this may cause b reaks or discon- nections in the wiring. coating ? do not coat the pressure sensor when it is mounted to the print cir- cuit b oard. ? do not wash the print circuit b oard after the pressure sensor is mounted using detergent containing silicone. otherwise, the deter- gent may remain on the surface of the pressure sensor. mems gauge pressure sensor 2smpp memo mems gauge pressure sensor 2smpp omron on-line glo b al - http://www.omron.com usa - http://www.components.omron.com cat. n o. x305-e-1 printed in usa omron electronic components llc 55 e. commerce drive, suite b schaum b urg, il 60173 847-882-2288 10/10 specifications su b ject to change without notice all sales are subject to omron electronic components llc standard terms and conditions of sale, which can be found at http://www.components.omron.com/compon ents/web/webfiles.ns f/sales_terms.html all dimensions shown are in millimeters. to convert millimeters into inches, multiply b y 0.03937. to convert grams into ounces, multiply b y 0.03527. |
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