SKU: SENS-2009
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TE Connectivity MS5837-02BA21 Absolute Pressure Sensor Module, 0.3-1.2 bar, Digital I²C

₹499.00 (Inclusive of all taxes)
Out of Stock

The TE Connectivity MS5837-02BA21 is a MEMS-based digital absolute pressure sensor module with a 24-bit I²C interface, designed for ultra-low-power portable and wearable applications requiring high-resolution altitude and barometric pressure data.

Features

  • High-resolution 24-bit digital I²C output for precise pressure and temperature data.
  • Ultra-low power consumption: 0.6 µA standby, 0.63–20 µA active for extended battery life.
  • Rugged ceramic-metal package with gel-filled, waterproof O-ring seal for harsh environments.
  • Integrated high-resolution temperature sensor with 0.002°C resolution.
  • Compact footprint: 3.3 x 3.3 x 2.75 mm, ideal for space-constrained designs.

Out of stock

Description

The MS5837-02BA21 is a MEMS digital absolute pressure sensor engineered for demanding portable and wearable applications. It utilizes a gel-filled, O-ring sealed sensing element to provide robust protection against moisture and contaminants, making it suitable for outdoor and fitness tracking devices. The integrated 24-bit delta-sigma ADC delivers high-resolution pressure and temperature data directly via an I²C digital interface.

This sensor module operates from a 1.5V to 3.6V supply, aligning with modern low-voltage microcontrollers and system-on-chip designs. Its ultra-low power profile enables continuous monitoring in battery-powered systems like smartwatches, altimeters, and IoT environmental nodes, while the rugged ceramic-metal construction ensures long-term reliability in variable climatic conditions.

Key Features

  • MEMS Digital Absolute Pressure Sensor with integrated 24-bit ΔΣ ADC.
  • Wide operating voltage range: 1.5 V to 3.6 V DC.
  • High accuracy: ±2 mbar across the specified pressure range.
  • Superior altitude resolution: up to 13 cm at SEA level.
  • Waterproof, gel-filled sensor cavity with O-ring seal for environmental durability.
  • Integrated temperature sensor provides high-resolution compensation data.
  • Rugged ceramic-metal SMD package (3.3 x 3.3 x 2.75 mm) for reliable mounting.
  • Options available for chlorine resistance and EMI shielding in specialized applications.

Applications

  • Wearable fitness trackers and smartwatches for altitude and activity monitoring.
  • Portable altimeters and barometers for outdoor sports and navigation gear.
  • Diving computers and underwater depth sensing systems.
  • Weather stations and environmental monitoring IoT nodes.
  • UAV/drone flight controllers for precise altitude hold and navigation.

Technical Specifications

Manufacturer Part NumberMS5837-02BA21
Pressure TypeAbsolute
Sensor TechnologyMEMS Digital
Pressure Range0.3 bar to 1.2 bar (300 to 1200 mbar)
Supply Voltage1.5 V to 3.6 V DC
Output InterfaceDigital I²C
Output Resolution24-bit
Accuracy±2 mbar
Altitude ResolutionUp to 13 cm at SEA level
Standby Current0.6 µA
Active Current0.63 µA to 20 µA
Integrated SensorTemperature
Temperature Resolution0.002 °C
Package MaterialCeramic-Metal
ProtectionGel-filled, O-ring seal
Dimensions (L x W x H)3.3 mm x 3.3 mm x 2.75 mm
Weight0.002 kg

Frequently Asked Questions

What is the communication protocol for the MS5837-02BA21 sensor?

The MS5837-02BA21 communicates exclusively via a digital I²C interface. It provides high-resolution 24-bit pressure and temperature data through this standard two-wire serial protocol, making it directly compatible with microcontrollers like Arduino, ESP32, STM32, and Raspberry Pi.

What is the operating voltage range for this pressure sensor?

This sensor module operates from a supply voltage range of 1.5V to 3.6V DC. This low-voltage range makes it ideal for battery-powered and portable applications, ensuring compatibility with 1.8V, 3.0V, and 3.3V logic systems without requiring a level shifter.

Is the MS5837-02BA21 suitable for outdoor or wet environments?

Yes. The sensor features a gel-filled cavity and an O-ring seal within its rugged ceramic-metal package, providing protection against moisture and contaminants. This design makes it suitable for fitness wearables, outdoor altimeters, and other applications exposed to variable environmental conditions.

How accurate is the pressure measurement from this sensor?

The MS5837-02BA21 has a specified accuracy of ±2 mbar across its full measurement range of 300 to 1200 mbar. This high accuracy, combined with its 24-bit resolution, enables precise altitude calculations with resolution down to approximately 13 centimeters at SEA level.

Does the sensor include temperature sensing capability?

Yes, the module integrates a high-resolution temperature sensor with a resolution of 0.002°C. This temperature data is used internally for pressure measurement compensation and is also available via the I²C interface for external system use, enhancing overall measurement accuracy.

Package Includes

  • 1 x TE Connectivity MS5837-02BA21 Pressure Sensor Module

Additional Information

Weight 0.002 kg
Dimensions 0.26 × 0.33 cm