MS5534B Altimeter/Barometer Module　　　　Features　　　　--------------------------------------------------------------------------------　　　　Integrated pre ure se or (9x9mm) 　　Pre ure range 0-1100 mbar 　　15 Bit ADC 　　6 coefficients for a software compe ation 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 　　　　A licatio 　　--------------------------------------------------------------------------------　　　　Mobile altimeter/barometer systems 　　Weather control systems 　　Adventure or multi-mode watches 　　G  Receivers 　　　　Description　　　　--------------------------------------------------------------------------------　　　　The MS5534 is a SMD-hybrid device including a piezoresistive pre ure se or and an ADC-Interface IC. It provides a 16 Bit data word from a pre ure- and temperature-dependent voltage. Additionally the module contai  6 readable coefficients for a highly accurate software calibration of the se or. MS5534 is a low-power, low-voltage device with automatic power down (ON/OFF) switching. A 3-wire interface is used for all communicatio  with a microcontroller. Se or packaging optio  are plastic or metal cap.　　　　Main improvements of MS5534B over the MS5534A　　　　--------------------------------------------------------------------------------　　　　　　 New MS5534B Old MS5534A 　　Pre ure 0..1100 mbar 300..1100 mbar 　　Temperature -40.. 125癈 -10.. 60癈 　　Standby Current 0.1uA 3.5uA 　　Solder   free Solder Bum   62 36Ag2 　　Soldering Profile 240-250癈 225癈 　　ESD se itivity 1000V 200V at PV 　　　　Remark : The MS5534B is not yet fully   free.