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发表于：2005-01-31 11:49:00
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MS5534B Altimeter/Barometer Module
Features
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Integrated pressure sensor (9x9mm)
Pressure range 0-1100 mbar
15 Bit ADC
6 coefficients for a software compensation stored on-chip
3-wire serial interface
1 system clock line (32.768 kHz)
Low voltage / low power
Fully RoHS compliant (March 2005)
Pin compatible with MS5534A
Applications
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Mobile altimeter/barometer systems
Weather control systems
Adventure or multi-mode watches
GPS Receivers
Description
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The MS5534 is a SMD-hybrid device including a piezoresistive pressure sensor and an ADC-Interface IC. It provides a 16 Bit data word from a pressure- and temperature-dependent voltage. Additionally the module contains 6 readable coefficients for a highly accurate software calibration of the sensor. MS5534 is a low-power, low-voltage device with automatic power down (ON/OFF) switching. A 3-wire interface is used for all communications with a microcontroller. Sensor packaging options are plastic or metal cap.
Main improvements of MS5534B over the MS5534A
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New MS5534B Old MS5534A
Pressure 0..1100 mbar 300..1100 mbar
Temperature -40..+125癈 -10..+60癈
Standby Current 0.1uA 3.5uA
Solder Pb free Solder Bumps Sn62Pb36Ag2
Soldering Profile 240-250癈 225癈
ESD sensitivity 1000V 200V at PV
Remark : The MS5534B is not yet fully Pb free.
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