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PDF MS8607-02BA01 Data sheet ( Hoja de datos )
| Número de pieza | MS8607-02BA01 | |
| Descripción | PHT Combination Sensor | |
| Fabricantes | TE | |
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MS8607-02BA01
PHT Combination Sensor
SPECIFICATIONS
Integrated pressure, humidity and temperature sensor
QFN package 5 x 3 x 1 mm3
Operating range: 10 to 2000 mbar, 0%RH to 100%RH,
-40 to 85 °C
High-resolution module: 0.016 mbar, 0.04%RH, 0.01°C
Supply voltage: 1.5 to 3.6 V
Fully factory calibrated sensor
I2C interface
The MS8607 is the novel digital combination sensor of MEAS
providing 3 environmental physical measurements all-in-one:
pressure, humidity and temperature (PHT). This product is
optimal for applications in which key requirements such as ultra
low power consumption, high PHT accuracy and compactness
are critical. High pressure resolution combined with high PHT
linearity makes the MS8607 an ideal candidate for environmental
monitoring and altimeter in smart phones and tablet PC, as well
as PHT applications such as HVAC and weather stations. This
new sensor module generation is based on leading MEMS
technologies and latest benefits from Measurement Specialties
proven experience and know-how in high volume manufacturing
of sensor modules, which has been widely used for over a
decade.
SENSOR SOLUTIONS ///MS8607-02BA01
09/2015
Page 1
1 page  
MS8607-02BA01
PHT Combination Sensor
PERFORMANCE CHARACTERISTICS
PHT ACCURACY AND PHT ERROR VERSUS SUPPLY VOLTAGE (TYPICAL)
SENSOR SOLUTIONS ///MS8607-02BA01
09/2015
Page 5
5 Page 
MS8607-02BA01
PHT Combination Sensor
RELATIVE HUMIDITY CALCULATION
Start
Maximum values for calculation results:
RHMIN = -6 %RH RHMAX= 118 %RH
Variable Description | Equation
D3 Digital relative humidity value
ReRadeaddigditiaglitraellaptrievseshuuremaidnidtytedmatpaerature data
Recommended Size[1]
variable type [bit]
unsigned int 16 16
Value
min max
0 65535
Example /
Typical
31872
Calculate relative humidity
Actual relative humidity (-6 %RH…118%RH
RH with 0.01 %RH resolution)
RH = - 600 + 12500 * D3 / 216
signed int 16
31
- 600
11900
5480
= 54.8 %RH
Display relative humidity value
Notes
[1]
Maximal size of intermediate result during evaluation of variable
Figure 8: Flow chart for humidity reading.
To accommodate any process variation (nominal capacitance value of the humidity sensor), tolerances of the sensor
above 100%RH and below 0%RH must be considered. As a consequence:
118%RH corresponds to 0xFF which is the maximum RH digital output that can be sent out from the ASIC. RH
output can reach 118%RH and above this value, there will have a clamp of the RH output to this value.
-6%RH corresponds to 0x00 which is the minimum RH digital output that can be sent out from the ASIC. RH
output can reach -6%RH and below this value, there will have a clamp of the RH output to this value.
The relative humidity is obtained by the following formula (result in %RH):
RH
6
125
D3
216
As example, the transferred 16-bit relative humidity data 0x7C80: 31872 corresponds to a relative humidity of
54.8%RH.
Finally, 1st order temperature compensation is computed for optimal accuracy over [0…+85°C] temperature
range. The final compensated relative humidity value RHcompensated is calculated as:
RH compensated RH 20 TEMP Tcoeff
TEMP Temperature calculated on p.9
unit [°C]
Tcoeff Temperature correction coefficient
unit [%RH / °C]
Optimal relative humidity accuracy over [0…+85°C] temperature range is obtained with Tcoeff = -0.18
SENSOR SOLUTIONS ///MS8607-02BA01
09/2015
Page 11
11 Page | ||
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| PDF Descargar | [ Datasheet MS8607-02BA01.PDF ] | |
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