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Overview

The MS5803-01BA HE is the high endurance pad technology version of the MS5803-01BA pressure sensor module. It is optimized for altimeters and variometers with an altitude resolution of 10 cm. The sensor module includes a high linearity pressure sensor and an ultra low power 24 bit ΔΣ ADC with internal factory calibrated coefficients. It provides a precise digital 24 Bit pressure and temperature value and different operation modes that allow the user to optimize for conversion speed and current consumption. A high resolution temperature output allows the implementation of an altimeter/thermometer function without any additional sensor. The MS5803-01BA can be interfaced to virtually any microcontroller. The communication protocol is simple, without the need of programming internal registers in the device. The gel protection and antimagnetic stainless steel cap allows the use in 100m water resistant altimeter/compass watches. This new sensor module generation is based on leading MEMS technology and latest benefits from MEAS proven experience and know-how in high volume manufacturing of altimeter modules, which have been widely used for over a decade. The sensing principle employed leads to very low hysteresis and high stability of both pressure and temperature.  

BENEFITS

  • High resolution module, 10cm
  • Fast conversion down to 1 ms
  • Low power, 1 µA (standby < 0.15 µA)
  • Integrated  digital pressure sensor (24 bit ΔΣ ADC)
  • Supply voltage 1.8 to 3.6 V
  • Operating range: 10 to 1300 mbar, -40 to +85 °C
  • I2C and SPI interface (Mode 0, 3)
  • No external components (Internal oscillator)
  • Excellent long term stability
  • Hermetically sealable for outdoor devices
  • High Endurance (HM version) 
Features

Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Sensor Type  Digital Pressure and Altimeter Sensor Modules

  • Type  Absolute

Electrical Characteristics

  • Supply Voltage (V) 1.8 – 3.6

Dimensions

  • Dimensions 6.2 x 6.4 mm [ .24 x .25 in ]

Usage Conditions

  • Operating Temperature -40 – 125 °C [ -40 – 257 °F ]

Operation/Application

  • Output/Span  24 bit ADC

  • Resolution  .012

  • Accuracy  ±2.5mbar

  • Output Interface  I²C and SPI (Mode 0, 3)

  • Overpressure  10 bar

Packaging Features

  • Package  Surface Mountable

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This information has been provided to you free of charge for your use but remains the sole property of Tyco Electronics Corporation ("TE"). While TE has used reasonable efforts to ensure its accuracy, TE does not guarantee that it is error-free, nor makes any other representation, warranty, or guarantee that the information is completely accurate or up-to-date. In many cases, the CAD data has been simplified to remove proprietary detail while maintaining critical interface geometric detail for use by customers. TE expressly disclaims all implied warranties regarding this information, including but not limited to any implied warranties or merchantability or fitness for a particular purpose.