Absolute Pressure Sensor ICs

Absolute Pressure Sensor ICs (integrated circuit sensors).

An absolute pressure sensor IC is an integrated circuit sensor chip which helps us to measure pressure. Normally we discuss gage pressure which is the pressure relative to the atmospheric pressure all around us. Absolute pressure sensors measure the pressure relative to a perfect vacuum. Absolute pressure sensors are normally used to measure any changes barometric pressure. Barometric pressure is also known as atmospheric pressure. The pressure reading type is absolute.

Absolute pressure sensor ICs measure pressure relative to a perfect vacuum. They are most often used to measure changes barometric pressure and are found in applications such as weather stations and altimeters.

Many products include a temperature sensor to automatically compensate for the errors which occur with a change in temperature.

Internally, these sensor ICs often use a reference which is at a fixed pressure and the pressure measurement is calculated relative to this.

How do Absolute Pressure Sensors measure pressure?
Most sensors use a diaphragm which has a sealed reference pressure on one side. The sensors measure the deformation of this to determine an accurate reading.

As with all sensor technology, many ICs currently available use MEMS technology to reduce the size of the component. Mems stands for Micro-Electro-Mechanical System.

What are Integrated Circuits?

An integrated circuit is made up of tiny squares of silicone imprinted with microscopic patterns. The patterns within the silicone squares consist of millions of transistors, resistors and other electronics. Integrated circuits are made up of semiconducting material like copper and are insulated.

Absolute pressure sensors units of measure.
• psi – pounds per square inch
• bar – metric unit of pressure
• mbar – millibar
Ensure the absolute pressure sensors capacity, meets your requirements.

Mounting Types.
• PCB Mount – printed board circuit mount
• Surface Mount
• Through Hole

Various sizes, package types, pin counts, operating pressures are available plus the extensive range of pressure sensors provides many solutions

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Description Price Maximum Overload Pressure Typical Sensitivity Mounting Type Package Type Pin Count Dimensions Length Width Height Maximum Operating Pressure Maximum Operating Supply Voltage Maximum Operating Temperature Maximum Output Voltage Minimum Operating Pressure
RS Stock No. 922-7289
Mfr. Part No.MPX4115AP
BrandNXP
€14.131
Each (In a Tray of 20)
units
400kPa - Through Hole Case 867B-04 6 29.85 x 8.26 x 29.34mm 29.85mm 8.26mm 29.34mm - 5.35 V +125 °C 4.8 V -
RS Stock No. 893-7339
Mfr. Part No.82-005G-RT
€46.34
Each
units
15psi - Surface Mount - - 19 (Dia.) x 7.3mm 19 (Dia.)mm - 7.3mm 5psi - +70 °C 0.1 V -
RS Stock No. 170-4377
Mfr. Part No.325412000-00
€13.373
Each (In a Tube of 80)
units
30bar 12.5mV/kPa Surface Mount - 8 6.4 x 6.4 x 2.88mm 6.4mm 6.4mm 2.88mm 12bar 20 V +125 °C 180 V 0bar
RS Stock No. 124-9373
Mfr. Part No.MS5837-02BA
€14.51
Each
units
10bar - Surface Mount - 4 3.3 x 3.3 x 2.65mm 3.3mm 3.3mm 2.65mm 1200mbar 3.6 V +85 °C 3.6 V 300mbar
RS Stock No. 110-6550
Mfr. Part No.LPS25HBTR
€3.245
Each (In a Pack of 2)
units
2000kPa - Surface Mount HLGA 10 2.5 x 2.5 x 0.8mm 2.5mm 2.5mm 0.8mm 126kPa 3.6 V +105 °C 6.7 Vdc 26kPa
RS Stock No. 169-0628
Mfr. Part No.MPX4200A
BrandNXP
€8.568
Each (In a Tray of 25)
units
800kPa 45.9mV/kPa - - 6 - - - - 115kPa 5.35 V +125 °C 4.9 V 15kPa
RS Stock No. 136-1511
Mfr. Part No.DPS310XTSA1
BrandInfineon
€1.117
Each (On a Reel of 2500)
units
- - Surface Mount - - - - - - - - +85 °C - -
RS Stock No. 170-4373
Mfr. Part No.MS580305BA01-00
€15.726
Each (In a Tube of 80)
units
30bar - Surface Mount - 8 6.4 x 6.2 x 2.88mm 6.4mm 6.2mm 2.88mm 5bar 3.6 V +85 °C 3.6 V 0bar
RS Stock No. 187-9064
Mfr. Part No.U5600-000005-030PA
€188.78
Each
units
20kpsi - - - - 24 x 24 x 69mm 24mm 24mm 69mm 2bar 3.6 V +85 °C - 0bar
RS Stock No. 150-3957
Mfr. Part No.MPRLS0015PA0000SA
BrandHoneywell
€6.89
Each
units
60psi - Surface Mount SMT 12 5 x 5 x 5.8mm 5mm 5mm 5.8mm 15psi 3.3 V +85 °C 3.6 V 0psi
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