Amplified Pressure Sensors -10 cm H O to120 cm H O Pressure Sensor 2 2 Features 4 Volt ratiometric output Temperature Compensated Calibrated Zero and Span Applications Medical Instrumentation Respiratory Breathing General Description This Amplified Output pressure sensor is based upon a proprietary technology to compensate all errors. This model provides a calibrated amplified 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 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. Physical Dimensions Equivalent Circuit Pin Size 0.25 0.10 Typical Vs MIN 0.010 x 0.020 (6.4) (2.54) (0.25 x 0.50) Pin 1 2 3 4 0.174 to 0.190 (4.4 to 4.8) 0.21 - Vout 1 (5.3) + A 0.42 Gnd (10.5) 1.08 (27.4) 0.66 B (16.0) pin 1: Vs 0.48 0.55 0.80 pin 2: Gnd (12.2) (14.0) (20.3) NOTES: 0.85 pin 3: Vout 1) Dimensions in inches (millimeters) (21.6) 1.10 pin 4: do not connect (27.9) Approvals MKT DATE MFG DATE ENG DATE QA DATE As Is With Change As Is With Change As Is With Change As Is With Change All Sensors DS-0027 Rev B a 6296 San Ignacio, Suite E & F, San Jose, CA 95119 p 408 225 4314 f 408 225 2079 e www.allsensors.com all sensorsPressure Sensor Characteristics Maximum Ratings Environmental Specifications +4.5 to +5.5 Vdc Supply Supply Voltage VS Temperature Ranges 10 psig Common-mode pressure Compensated see specification 250C Lead Temperature Operating -25 to 85 C (soldering 2-4 sec.) Storage -40 to 125 C Humidity Limits 0 to 95% RH (non condensing) Standard Pressure Ranges Part Number Operating Pressure Compensated Range Proof Pressure Burst Pressure 5 to 50 C 120 CMH2O-D-4V -10 to 120 cm H2O 300 cmH2O 600 cmH2O -25 to 85 C 120 CMH2O-D-4V-PRIME -10 to 120 cm H2O 300 cmH2O 600 cmH2O Performance Characteristics for 120 CMH2O-D-4V Parameter, note 1 Minimum Nominal Maximum Units Operating Range, pressure -10 -- 120 cmH2O Output Voltage, 120 cmH2O 4.40 4.5 4.6 volt Output Voltage zero pressure 0.30 0.35 0.40 volt Output Voltage -10 cmH2O 0.23 0.28 0.33 volt Offset Temperature Shift (5C-50C), note 2 -- -- 1.0 %span Linearity, hysteresis error, note 4 -- 0.05 0.25 %fs Span Shift (5C-50C), note 2 -- -- 1.0 %span Performance Characteristics for 120 CMH2O-D-4V-PRIME Parameter, note 1 Minimum Nominal Maximum Units Operating Range, pressure -10 -- 120 cmH2O Output Voltage, 120 cmH2O 4.40 4.5 4.6 volt Output Voltage zero pressure 0.30 0.35 0.40 volt Output Voltage -10 cmH2O 0.23 0.28 0.33 volt Offset Temperature Shift (-25 to 85C), note 2 -- -- 1.0 %span Linearity, hysteresis error, note 4 -- 0.05 0.25 %fs Span Shift (-25 to 85C), note 2 -- -- 1.0 %span Specification Notes eton 1: All p Ar Aretems Aer em Asured At 5.0 t lov ticxe Aniot , fro the mnnio Al lluf sc Ale supsrere And room temerp Ature unless eiwsthre o spdeiiecf . p ressure em Asusementr Are with positive pressuer Applied o t Btpor . teno 2: s htif is ler Atvie o t 25c. teno 3: s hift is iwinth the tfirs hour of ixtec Ation Applied o t the deeicv . teno 4: m e Adures At eno -h Alf lful sc Ael r Aetd pressure gunis Best srt Aight elin ev urc ift . teno 5: t he t olv Aeg Added o t the offset t olv Age At full sc Ale epresurs . n omni Ay ll eth utputo t olv Age r Aeng si 0.35v o t 4.5v ts olv ofr iusmn o t plus full sc Ale essurepr . 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. Amplified Pressure Sensors