Mitsumi MMR920 Digital Output Pressure Sensors
Mitsumi MMR920 Digital Output Pressure Sensors are designed for low-pressure air measurement applications that require high accuracy, digital output, and temperature-compensated performance. The compact MEMS-based modules provide highly accurate, factory-calibrated, and temperature-compensated digital pressure measurements. Integrating a MEMS sensing element, analog front-end circuitry, and a delta-sigma A/D converter in a 7.0mm × 7.0mm × 7.2mm package, the MMR920 delivers corrected pressure data directly through I2C or SPI interfaces. These sensors feature selectable pressure ranges from ±1.961kPa to ±9.807kPa, built-in noise filtering, and high-resolution measurement capability. The Mitsumi MMR920 Digital Output Pressure Sensors are ideal for Heating, Ventilation, and Air Conditioning (HVAC) systems, Variable Air Volume (VAV) systems, gas meters, vacuum cleaners, refrigerators, electronic musical instruments, alcohol testers, medical devices, and other applications requiring precise, reliable low-pressure monitoring.
Features
- Small 7.0mm ×7.0mm ×7.2mm (WxDxH) package
- 24-bit digital resolution
- Operating pressure ranges
- ±20cmH2O (±1.961kPa) for C02 rank
- ±40cmH2O (±3.922kPa) for C04 rank
- ±70cmH2O (±6.865kPa) for C07 rank
- ±100cmH2O (±9.807kPa) for C10 rank
- 0.002cmH2ORMS (0.196PaRMS) effective resolution (at MODE4)
- Pressure measurement error
- ±2.0 (%FS) for C02 rank
- ±1.0 (%FS) for C04, C07, and C10 rank
- MEMS piezoresistive technology
- Corrects the differences of sensors and temperature characteristics
- Digitally outputs the pressure value corrected in the module (SPI/I2C), I2C slave address (7-bits) is 0x67
- Digital I2C or SPI selectable
- Built-in low-pass filter enables noise reduction
- Excellent dynamic range data ready pin
- Contains halogen
- RoHS and REACH compliant
Applications
- Heating, Ventilation, and Air Conditioning (HVAC) systems
- Variable Air Volume (VAV) systems
- Vacuum cleaners
- Refrigerators and household appliances
- Electronic musical instruments
- Gas meters
- Alcohol testers (breath analyzers)
- Medical equipment
Specifications
- 3.0V to 3.6V analog supply voltage range
- 1.2V to 3.6V digital I/O voltage range
- ±200cmH2O (±19.6kPa) maximum overpressure
- ±500cmH2O (±49kPa) maximum burst pressure
- Non-corrosive gas (non-condensing) pressure medium
- ±2.0°C temperature measurement error range
- -40°C to +85°C operating temperature range
Resources
Overview
Block Diagram
Typical Application Circuits
Related Sensors
Mitsumi Digital Output Gauge Pressure Sensors
Digitally output a pressure value, which is corrected in the module by built-in sequencer (SPI/I2C).