1. High-precision pressure and synchronous temperature measurement with piezo-resistive MEMS sensing technology, outputting raw digital data for subsequent calibration and compensation.
2. Support for one-shot/periodic measurement modes, with configurable sampling intervals to meet dynamic and static detection needs of different scenarios.
3. On-chip Non-Volatile Memory (NVM) stores factory-calibrated coefficients for automatic compensation of sensitivity, offset and temperature dependence, ensuring measurement accuracy.
4. Real-time working status feedback and fault self-diagnosis, with a dedicated status register to identify data conversion completion and circuit fault information.
5. Dual serial digital interfaces for flexible system integration, enabling direct connection with microcontrollers (MCU/PLC) and seamless access to intelligent monitoring systems.
Ultra-low power operation with 3.4μA typical supply current at 1Hz sampling rate and 0.1μA typical sleep current, ideal for battery-powered portable and low-power terminal devices.
Operating temperature range of -40°C to +125°C with low temperature coefficient offset (1.5Pa/K), stable performance in extreme high and low temperature environments without additional temperature calibration.
±0.03hPa relative pressure accuracy (±0.25m altitude) and 0.025Pa ultra-high pressure resolution; ±0.5°C temperature accuracy at 25°C, capturing tiny pressure and temperature changes.
8-pin metal-lid LGA package with only 6.2×6.8mm footprint and 3.3mm height, perfect for space-constrained device integration and high- density circuit design.
Integrated I2C/SPI dual digital interfaces (switchable via CSB pin), supporting 400kHz I2C and 10MHz SPI maximum clock frequency, easy to match with various mainstream microcontrollers.
6000hPa overpressure resistance, ±2kV ESD anti-interference performance and small solder drift; RoHS compliant and halogen-free, meeting international environmental and industrial reliability standards.
Up to 587-649Hz maximum sampling rate, supporting high-speed dynamic pressure measurement and real-time data acquisition for fast- changing scenarios.
| Parameter Category | Specific Indicators |
|---|---|
| Pressure Measurement | Range: 10~2000hPa; Relative Accuracy: ±0.03hPa (700~900hPa/25~40°C); Absolute Accuracy: Typ. ±1.5hPa (0~60°C), ±2.0hPa (-20~0°C/60~80°C); Resolution: 0.025Pa |
| Temperature Measurement | Range: -40~+125°C; Accuracy: ±0.5°C (@25°C), ±1.0°C (0~65°C); Resolution: 1/256°C; Temperature Coefficient Offset: ±1.5Pa/K |
| Electrical Parameters | Supply Voltage: 1.8~3.6V; 1Hz Sampling Current: Typ. 3.4μA; Sleep Current: 0.1~0.3μA; Peak Current: Typ. 1950μA |
| Interface Specifications | I2C: Max 400kHz clock frequency; SPI: Max 10MHz clock frequency, support 3/4-wire mode |
| Sampling Performance | Max Sampling Rate: 587~649Hz; Measurement Modes: One-shot / Combined / Periodic |
| Physical Characteristics | Package: 8-pin LGA (metal-lid); Size: 6.2×6.8mm (footprint), 3.3mm (height) |
| Environmental Performance | Storage Temperature: -45~+125°C; ESD Rating: ±2kV (HBM); Overpressure Resistance: 6000hPa; Compliance: RoHS, Halogen-free |
| Data Output | Pressure: 24-bit ADC raw data; Temperature: 16-bit ADC raw data |
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