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MPX5700AP

Absolute pressure sensor, 15-700kPa, 0.2-4.7V output, vacuum referenced, 5V supply, single port

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Manufacturer Part：

MPX5700AP

Package：

SENSOR4F (17.78 x 29.48 x 10.67 mm, single side port)

Brand：
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Description

Product Overview

The MPX5700AP from NXP Semiconductors is an absolute pressure sensor measuring 15 to 700 kPa with on-chip signal conditioning and temperature compensation. Unlike gauge sensors, it measures pressure relative to a vacuum reference, providing true absolute pressure readings. It outputs 0.2 V to 4.7 V at 5 V supply with a single side port configuration.

Key Specifications

Pressure Range 15 to 700 kPa
Pressure Type Absolute
Supply Voltage 4.75 V to 5.25 V
Full Scale Span 4.0 V (typ)
Sensitivity 5.7 mV/kPa
Accuracy ±5.0% VFSS
Response Time 1.0 ms (typ)
Operating Temperature -40°C to +125°C
Package SENSOR4F (single side port)

Features

  • Absolute pressure measurement with vacuum reference
  • On-chip signal conditioning and amplification
  • Temperature compensated over -40°C to +125°C
  • Ratiometric output to supply voltage
  • Single side port configuration
  • Durable epoxy unibody construction

Applications

  • Altimetry and barometric pressure
  • Weather station instrumentation
  • Engine manifold absolute pressure (MAP)
  • Vacuum system monitoring
  • Aviation altitude sensing

The MPX5700AP is an absolute pressure sensor from NXP that measures pressure from 15 to 700 kPa relative to an internal vacuum reference, providing true absolute pressure readings. Unlike gauge sensors which reference atmospheric pressure, the absolute version references a sealed vacuum cavity on the backside of the sensing diaphragm. This makes it suitable for applications requiring pressure measurement independent of ambient atmospheric conditions, such as altimetry and manifold absolute pressure sensing. The on-chip signal conditioning and temperature compensation provide a high-level analog output directly compatible with microcontroller ADCs.

The MPX5700AP uses a silicon diaphragm with piezoresistive elements in a Wheatstone bridge configuration. The top side of the diaphragm is exposed to the measured pressure via the side port, while the backside is sealed against a vacuum reference cavity. The pressure difference between the measured media and the vacuum reference deflects the diaphragm, changing piezoresistor values and producing a bridge output voltage. On-chip amplification and temperature compensation circuitry process this signal to generate a ratiometric output from 0.2 V at minimum pressure to 4.7 V at full scale (700 kPa). Since the reference is vacuum, the output represents absolute pressure (where 0 kPa = perfect vacuum).

Pin Name Type Function
1 VOUT Output Analog voltage output
2 GND Power Ground
3 VS Power 5V supply voltage
4 NC – No connect
  • Barometric altitude measurement in aviation
  • Weather station barometric pressure sensing
    • Engine MAP sensor for ECU Vacuum system monitoring
  • Industrial absolute pressure measurement
Manufacturer Part Number Package Notes
NXP MPX5700GP SENSOR4F Gauge pressure version
NXP MPX5700DP SENSOR4F Differential pressure version
NXP MPX4115AP SENSOR4F 15-115 kPa absolute, barometry
Bosch BME280 LGA-8 Digital humidity + pressure
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Quality Assurance

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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