MS561101BA03-50

Pressure Sensors Transducers Overview

The MS561101BA03-50 is a board-mount barometric pressure sensor manufactured by TE Connectivity Measurement Specialties. It integrates a high-resolution 24-bit delta-sigma ADC with an internal factory-calibrated piezoresistive pressure sensor and temperature sensing element. The device operates within a pressure range of 0.145 to 17.404 psi (approximately 1 kPa to 120 kPa) absolute. It features a compact 8-pin QFN package measuring 3 mm x 5 mm x 1 mm. The sensor communicates via an I2C interface and provides digital voltage output ranging from 0 to 3.6 V. Operating temperatures span from -40 °C to 85 °C, with a maximum operating current of 0.0125 mA.

Pressure Sensors Transducers Feature Summary

• Integrates a 24-bit delta-sigma ADC with factory-calibrated coefficients for precise digital pressure and temperature readings.
• Features ultra-low power consumption suitable for battery-operated mobile devices.
• Provides flexible operation modes allowing optimization between conversion speed and current usage.
• Includes an internal oscillator eliminating the need for external timing components.

Pressure Sensors Transducers Applications

• Altimeters and altimeter systems
• Odometers and distance measurement
• Mobile barometric pressure data loggers
• Variable inductors in mobile electronics

Pressure Sensors Transducers Procurement Notes

Verify the specific suffix '-50' indicates tape and reel packaging when sourcing. Confirm the manufacturer is TE Connectivity or Measurement Specialties to ensure authenticity. Check RoHS compliance status against current regulatory requirements. Validate the 8-pin QFN footprint dimensions match the PCB design. Ensure the supply chain source provides original component documentation.

Pressure Sensors Transducers Selection Notes

Select this component for applications requiring high accuracy in atmospheric pressure and temperature monitoring. The integrated calibration reduces system complexity by removing the need for external compensation algorithms. Consider the I2C interface compatibility with the target microcontroller. Evaluate the low current draw against strict power budget constraints. The compact form factor supports integration into space-constrained portable devices.

Pressure Sensors Transducers Part Context

This part belongs to the MS5611 series of digital barometric pressure sensors. It shares architectural similarities with the MS5607 series but offers different resolution characteristics. The device is designed for mobile consumer electronics where size and power efficiency are critical. It represents a solution for integrating environmental sensing directly onto mainboards without additional discrete components.

Pressure Sensors Transducers Replacement Considerations

The MS560702BA03-50 is a documented substitute within the same product family. Verify pinout compatibility and software register mapping before substitution. Both parts utilize the same QFN-8 package and I2C interface. Confirm that the specific pressure range and resolution requirements of the application are met by the alternative part number.