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MS5637-02BA03-Digital Pressure & Altimeter
Brand: American Sensor Technologies IncThe MS5637 is an ultra-compact micro altimeter.
It is optimized for altimeter and barometer applications in Smart-phones and Tablet PCs. The altitude resolution at sea level is 13 cm of air. 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 MS5637 can be interfaced to any microcontroller with I²C-bus interface. The communication protocol is simple, without the need of programming internal registers in the device.
Small dimensions of 3 x 3 x 0.9 mm³ allow the integration in mobile devices. This new sensor module generation is based on leading MEMS technology and latest benefits from MEAS Switzerland proven experience and know-how in high volume manufacturing of altimeter modules, which has been widely used for over a decade.
Specifications
Accuracy
- ± 1° C (± 1.8° F) - Absolute Accuracy at 25° C
- ± 2° C (± 3.6° F) - Absolute Accuracy at -20° to 85° C (-4° to 185° F)
Approvals & Certifications
- RoHS
Communication
- 24-bits - Analog to Digital Converter
Input
- 0.01-0.1 µA at 25° C - Standby Supply Current
- 0.1 µA at 25° C - Input Leakage Current
- 0.63 - 20.09 µA - Supply Current
- 0-20 % Vdd - Input Low Voltage
- 1.25 mA - Peak Supply Current
- 6 PF - Input Capacitance
- 80-100 % Vdd - Input High Voltage
Load Limit
- 16 PF - Load Capacitance
Maximum System Pressure
- psi: 87.02 (kPa: 600, bar: 6) - Overpressure
Operating Temperature
- 250° C (482° F) - Max.
- -40° to 85° C (-40° to 185° F)
Output
- ± 100 mA - Latch Up
- 0-20 % Vdd - Output Low Voltage
- 80-100 % Vdd - Output High Voltage
Pressure Range
- kPa: 30 to 120
- mbar: 300 to 1,200
- psi: 4.351 to 17.4
Resolution
- < 0.01° C
Response Time
- 0.5 to 16.44 milliseconds - Conversion Time
Stability
- ± 1 Mbar Per Year
Storage Temperature
- -20° to 85° C (-4° to 185° F)
Supply Voltage
- -0.3 to 3.6 V - Vdd
- 1.5-3.6 V - Operating Supply Voltage
- Smart-Phones
- Tablet PCs
- Personal Navigation Devices