Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

MS5803-02BA Datasheet(PDF) 9 Page - TE Connectivity Ltd

Part No. MS5803-02BA
Description  High resolution module, 20cm
Download  19 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  TEC [TE Connectivity Ltd]
Homepage  http://www.te.com/usa-en/home.html
Logo 

MS5803-02BA Datasheet(HTML) 9 Page - TE Connectivity Ltd

Zoom Inzoom in Zoom Outzoom out
 9 / 19 page
background image
MS5803-02BA
Miniature Altimeter Module
SENSOR SOLUTIONS ///MS5803-02BA
09/2015
Page 9
PRESSURE AND TEMPERATURE CALCULATION
Figure 2: Flow chart for pressure and temperature reading and software compensation.
Size
[1]
[bit]
min
max
C1
Pressure sensitivity | SENST1
unsigned int 16
16
0
65535
46372
C2
Pressure offset | OFFT1
unsigned int 16
16
0
65535
43981
C3
Temperature coefficient of pressure sensitivity | TCS
unsigned int 16
16
0
65535
29059
C4
Temperature coefficient of pressure offset | TCO
unsigned int 16
16
0
65535
27842
C5
Reference temperature | TREF
unsigned int 16
16
0
65535
31553
C6
Temperature coefficient of the temperature | TEMPSENS
unsigned int 16
16
0
65535
28165
D1
Digital pressure value
unsigned int 32
24
0
16777216
6465444
D2
Digital temperature value
unsigned int 32
24
0
16777216
8077636
dT
Difference between actual and reference temperature
[2]
dT
= D2 - TREF = D2 - C5 * 2
8
signed int 32
25
-16776960
16777216
68
2000
= 20.00 °C
OFF
Offset at actual temperature
[3]
OFF
= OFFT1 + TCO * dT = C2 * 2
17 + (C4 * dT ) / 26
signed int 64
41
-17179344900
25769410560
5764707214
SENS
Sensitivity at actual temperature
[4]
SENS
= SENST1 + TCS * dT = C1 * 2
16 + (C3 * dT ) / 27
signed int 64
41
-8589672450
12884705280
3039050829
110002
= 1100.02 mbar
Notes
[1]
[2]
[3]
[4]
min and max have to be defined
min and max have to be defined
Maximal size of intermediate result during evaluation of variable
120000
1000
58
P
Recommended
variable type
Description | Equation
signed int 32
Actual temperature (-40…85°C with 0.01°C resolution)
TEMP
= 20°C + dT * TEMPSENS = 2000 + dT * C6 / 2
23
Read digital pressure and temperature data
signed int 32
Temperature compensated pressure (10…1200mbar with
0.01mbar resolution)
P
= D1 * SENS - OFF = (D1 * SENS / 2
21 - OFF) / 2 15
min and max have to be defined
Convert calibration data into coefficients (see bit pattern of W1 to W4)
Variable
Example /
Typical
Value
Calculate temperature compensated pressure
8500
-4000
TEMP
41
Start
Maximum values for calculation results:
PMIN = 10mbar PMAX = 2000mbar
TMIN = -40°C TMAX = 85°C TREF = 20°C
Read calibration data (factory calibrated) from PROM
Read digital pressure and temperature data
Calculate temperature
Calculate temperature compensated pressure
Display pressure and temperature value


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19 


Datasheet Download




Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn