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MS5803-07BA Digital Pressure & Altimeter Sensor
Brand: American Sensor Technologies IncThe MS5803-07BA is a new digital, fully compensated pressure sensor with SPI and I²C bus interface.
It is optimized for altimeter and in the same time water depth measurement with high resolution and accuracy. 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 a thermometer function without any additional sensor.
The MS5803-07BA can be interfaced to virtually any microcontroller. The communication protocol is simple, without the need of programming internal registers in the device. The gel protection and antimagnetic stainless steel cap allows the use in 100 meters waterproof watches.
Specifications
Accuracy
- ± 1° C (± 1.8° F) - Absolute Accuracy at 0° to 40° C (32 to 104° F)
- ± 2° C (± 3.6° F) - Absolute Accuracy at -20° to 85° C (-4° to 185° F)
- ± 3° C (± 5.4° F) - Absolute Accuracy at -20° to 85° C
Approvals & Certifications
- RoHS
Communication
- 24-bits - Analog to Digital Converter & Output Word
Input
- 0.02-0.14 µA - Standby Supply Current at 25° C
- 0.15 µA - Input Leakage Current at 25° C
- 0.9 - 12.5 µA - Supply Current
- 0-20 % Vdd - Input Low Voltage
- 1.4 mA - Peak Supply Current
- 80-100 % Vdd - Input High Voltage
Load Limit
- 100-470 NF - Vdd Capacitor
- 16 PF - Load Capacitance
Maximum System Pressure
- psi: 435.1 (kPa: 3,000, bar: 30)
Operating Pressure
- psi: 0 to 101.5 (kPa: 0 to 700, bar: 0 to 7)
Operating Temperature
- -20° to 85° C (-4° to 185° F)
Operating Voltages
- 2.2-3.6 V - Operating Supply Voltage
Output
- ± 100 mA - Latch Up
- 0-20 % Vdd - Output Low Voltage
- 80-100 % Vdd - Output High Voltage
Resolution
- < 0.01° C
Response Time
- 0.48 to 9.04 milliseconds - Conversion Time
- 0.5 to 8.22 milliseconds
Sensitivity
- ± 2 kV - ESD Rating
Stability
- ± 1 Mbar Per Year - Long Term Stability
Storage Temperature
- -40° to 85° C (-40° to 185° F)
Supply Voltage
- -0.3 to -3.6 V
- 2.2-3.6 V at ± 0.2° C - Max.
- 2.2-3.6 V at ± 3 Mbar - Max.
Temperature Range
- -20° to 85° C (-4° to 185° F)
- 250° C (482° F) - Max.
- Dual Mobile Altimeter / Depth Meter Systems
- Adventure or Multi-Mode Watches
- Diving Computers