Overview
The MS561101BA03-50 is a high-resolution barometric pressure sensor module produced by TE Connectivity Measurement Specialties. This sensor is part of the MS5611-01BA series and is optimized for use in altimeters and variometers. It features a piezo-resistive sensor and a sensor interface IC, providing precise digital 24-bit pressure and temperature values. The module supports both SPI and I2C interfaces and is known for its high altitude resolution of 10 cm, making it suitable for a variety of applications requiring accurate pressure and temperature measurements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | TE Connectivity Measurement Specialties | |
| Part Number | MS561101BA03-50 | |
| Pressure Range | 10 - 1200 mbar (0.15 PSI ~ 17.4 PSI or 1 kPa ~ 120 kPa) | mbar (PSI or kPa) |
| Pressure Reference | Absolute | |
| Electrical Output | I2C and SPI | |
| Pressure Connection | No port | |
| Electrical Connection | SMD (8-Pin QFN) | |
| Accuracy | ±0.022 PSI (±0.15 kPa) | PSI (kPa) |
| Altitude Resolution | 10 cm | cm |
| Sensing Technology | MEMS | |
| Supply Voltage | 1.8 to 3.6 V | V |
| Operating Temperature | -40 to +85 °C | °C |
| Standby Current | < 0.15 µA | µA |
| Conversion Time | Down to 1 ms | ms |
Key Features
- High Resolution: Provides a precise digital 24-bit pressure and temperature value.
- Dual Interface: Supports both SPI and I2C interfaces up to 20 MHz.
- Low Power Consumption: Standby current less than 0.15 µA and active current as low as 1 µA.
- High Altitude Resolution: Altitude resolution of 10 cm, making it ideal for altimeters and variometers.
- Internal Calibration: Each module is individually factory calibrated at two temperatures and two pressures.
- Compact Design: Small dimensions of 5.0 mm x 3.0 mm x 1.0 mm, suitable for integration in mobile devices.
- Long-term Stability: Excellent long-term stability due to advanced MEMS technology.
- No External Components Required: Internal oscillator eliminates the need for external components.
Applications
- Altimeters and Variometers: Optimized for use in altimeters and variometers due to its high altitude resolution.
- Mobile Devices: Suitable for integration in mobile devices such as smartphones, tablets, and wearables.
- Weather Stations: Can be used in weather stations for accurate barometric pressure measurements.
- Aerospace and Aviation: Applicable in aerospace and aviation for precise altitude and pressure measurements.
- Industrial Automation: Used in various industrial automation applications requiring accurate pressure sensing.
Q & A
- What is the pressure range of the MS561101BA03-50 sensor?
The pressure range is from 10 to 1200 mbar (0.15 PSI ~ 17.4 PSI or 1 kPa ~ 120 kPa).
- What interfaces does the MS561101BA03-50 support?
The sensor supports both SPI and I2C interfaces up to 20 MHz.
- What is the altitude resolution of the MS561101BA03-50?
The altitude resolution is 10 cm.
- What is the operating temperature range of the MS561101BA03-50?
The operating temperature range is from -40 to +85 °C.
- What is the supply voltage range for the MS561101BA03-50?
The supply voltage range is from 1.8 to 3.6 V.
- Does the MS561101BA03-50 require external components?
No, it does not require external components as it has an internal oscillator.
- What is the standby current of the MS561101BA03-50?
The standby current is less than 0.15 µA.
- How is the MS561101BA03-50 calibrated?
Each module is individually factory calibrated at two temperatures and two pressures.
- What is the package type of the MS561101BA03-50?
The package type is 8-Pin QFN.
- What are some common applications of the MS561101BA03-50?
Common applications include altimeters, variometers, mobile devices, weather stations, aerospace, and industrial automation.
