MS5803-01BA Series Pressure Transducer

MS5803-01BA Series Pressure Transducer Description:  The MS5803-01BA is a new generation of high resolution altimeter sensors from Measurement Specialties with SPI and I²C bus interface. 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 […]

MS5803-01BA Series Pressure Transducer

Description: 

The MS5803-01BA is a new generation of high resolution altimeter sensors from Measurement Specialties with SPI and I²C bus interface. 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 waterproof 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 signal.

Features:

  • 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 3.6V
  • Operating range: 10 to 1300 mbar, -40 to 85°C
  • I²C and SPI interface up to 20 MHz
  • No external components (Internal oscillator)
  • Excellent long term stability
  • Hermetically sealable for outdoor devices
Parameter Conditions Min. Typ. Max Unit
Operating Pressure Range Prange Full Accuracy

300

1100

 mbar
Extended Pressure Range Pext Linear Range of

10

1300

 mbar
ADC
at 25°C, 700..1100 mbar

-1.5

1.5
Absolute Accuracy, no autozero at 0..50°C, 300..1100 mbar

-2.0

2.0

 mbar
at -20..85°C, 300..1100 mbar

-3.5

3.5
at -40..85°C, 300..1100 mbar

-6.0

6.0
at 25°C, 700..1100 mbar

-0.5

0.5
Absolute Accuracy, autozero at at 0..50°C, 300..1100 mbar

-1.0

1.0

 mbar
one pressure point at -20..85°C, 300..1100 mbar

-2.5

2.5
at -40..85°C, 300..1100 mbar

-5.0

5.0
Maximum error with supply VDD = 1.8 V … 3.6 V

/- 2

 mbar
voltage
Long-term stability

-1

 mbar/yr
OSR

4096

0.012
Resolution RMS

2048

0.018

 mbar

1024

0.027

512

0.042

256

0.065

No Information Available.

No Information Available.