Integrated Silicon Pressure Sensor for Manifold Absolute Pressure, Applications, On-Chip Signal Conditioned, Temperature Compensated and Calibrated

The Freescale MPX4105A series Manifold Absolute Pressure (MAP) sensor for engine control is designed to sense absolute air pressure within the intake manifold. This measurement can be used to compute the amount of fuel required for each cylinder.

Freescale’s MAP sensor integrates on-chip, bipolar op amp circuitry and thin film resistor networks to provide a high output signal and temperature compensation. The small form factor and high reliability of on-chip integration make the Freescale MAP sensor a logical and economical choice for the automotive system designer.

The MPX4105A series piezoresistive transducer is a state-of-the-art, monolithic, signal conditioned, silicon pressure sensor. This sensor combines advanced micromachining techniques, thin film metallization, and bipolar semiconductor processing to provide an accurate, high level analog output signal that is proportional to applied pressure.

• Features

• 1.8 Maximum Error Over 0° to 85°C

• Specifically Designed for Intake Manifold Absolute Pressure Sensing in Engine Control Systems

• Temperature Compensated Over –40 to +125°C

• Durable Epoxy Unibody Element

Application Examples

• Manifold Sensing for Automotive Systems

• Ideally Suited for Microprocessor or Microcontroller-Based Systems

• Also Ideal for Non-Automotive Applications