a 6296 san ignacio, suite e & f, san jose, ca 95119 p 408 225 4314 f 408 225 2079 e www.allsensors.com all sensors all sensors DS-0027 rev b pin 1: vs pin 2: gnd pin 3: vout 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) mkt date mfg date eng date qa date approvals as is with change as is with change as is with change as is with change this amplifed output pressure sensor is based upon a proprietary technology to compensate all errors. this model provides a calibrated amplifed output with superior output characteristics. output characteristics are tested at pressure and temperature and then digitally compensated using a proprietary 3d mapping scheme. 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. this series is intended for use with non-corrosive, non-ionic working fuids 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. -10 cm h 2 o to120 cm h 2 o pressure sensor ? 4 volt ratiometric output ? temperature compensated ? calibrated zero and span physical dimensions ? medical instrumentation ? respiratory breathing general description applications features amplifed pressure sensors - + vs vout gnd equivalent circuit min
amplifed pressure sensors parameter, note 1 operating range, pressure output voltage, @120 cmh2o output voltage @ zero pressure output voltage @-10 cmh2o offset temperature shift (5c-50c), note 2 linearity, hysteresis error, note 4 span shift (5c-50c), note 2 minimum -10 4.40 0.30 0.23 -- -- -- nominal -- 4.5 0.35 0.28 -- 0.05 -- maximum 120 4.6 0.40 0.33 1.0 0.25 1.0 units cmh2o volt volt volt %span %fs %span specifcation notes n o t e 1: a l l p a r a m e t e r s a r e m e a s u r e d a t 5.0 v o l t e x c i t a t i o n , f o r t h e n o m i n a l f u l l s c a l e p r e s s u r e a n d r o o m t e m p e r a t u r e u n l e s s o t h e r w i s e s p e c i f i e d . p r e s s u r e m e a s u r e m e n t s a r e w i t h p o s i t i v e p r e s s u r e a p p l i e d t o port b. n o t e 2: s h i f t i s r e l a t i v e t o 25c. n o t e 3: s h i f t i s w i t h i n t h e f i r s t h o u r o f e x c i t a t i o n a p p l i e d t o t h e d e v i c e . n o t e 4: m e a s u r e d a t o n e - h a l f f u l l s c a l e r a t e d p r e s s u r e u s i n g b e s t s t r a i g h t l i n e c u r v e f i t . n o t e 5: t h e v o l t a g e a d d e d t o t h e o f f s e t v o l t a g e a t f u l l s c a l e p r e s s u r e . n o m i n a l l y t h e o u t p u t v o l t a g e r a n g e i s 0.35v t o 4.5v v o l t s f o r m i n u s t o p l u s f u l l s c a l e p r e s s u r e . 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. parameter, note 1 operating range, pressure output voltage, @120 cmh2o output voltage @ zero pressure output voltage @-10 cmh2o offset temperature shift (-25 to 85c), note 2 linearity, hysteresis error, note 4 span shift (-25 to 85c), note 2 minimum -10 4.40 0.30 0.23 -- -- -- nominal -- 4.5 0.35 0.28 -- 0.05 -- maximum 120 4.6 0.40 0.33 1.0 0.25 1.0 units cmh2o volt volt volt %span %fs %span part number 120 cmh2o-d-4v 120 cmh2o-d-4v-prime operating pressure -10 to 120 cm h2o -10 to 120 cm h2o proof pressure 300 cmh2o 300 cmh2o burst pressure 600 cmh2o 600 cmh2o standard pressure ranges supply supply voltage vs common-mode pressure lead temperature (soldering 2-4 sec.) +4.5 to +5.5 vdc 10 psig 250c pressure sensor characteristics maximum ratings temperature ranges compensated operating storage humidity limits see specifcation -25 to 85 c -40 to 125 c 0 to 95% rh (non condensing) environmental specifcations compensated range 5 to 50 c -25 to 85 c performance characteristics for 120 cmh2o-d-4v performance characteristics for 120 cmh2o-d-4v-prime
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