Document Type
Part No.
DATA SHEET
Advanced Sensor
Product Name
SUF005A001
Revision No
Page No
Dual Solar Sensor
00
1 (3)
Dual Solar
Sensor
Applications
The dual solar sensor is mounted on the
dash panel near the front window. It uses
two photodiode cells to measure the
intensity of solar radiation and give
electric information which is proportional
to the calorific power and representative
for the intensity of that. And then feeds it
back to the automatic temperature
control (ATC) unit of the vehicle’s air
conditioning system. The air temperature
of the driver side and passenger side are
then automatically adjusted up or down,
depending upon the amount of light
entering both sides into the vehicle.
Features
Fast response time
Easy to install
Linear response to sun light intensity
Horizon to horizon visibility
Narrow signal tolerance
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Document Type
Part No.
DATA SHEET
Advanced Sensor
Product Name
SUF005A001
Revision No
Page No
Dual Solar Sensor
00
2 (3)
1. Solar Sensor Specification
Operating Temp. Range : -30°C to 100°C
Storage Temp. Range : -40°C to 110°C
Sensor output current : 0.145mA±15% (at
Φ
= -90
o
/90
o
,
θ
= 40
o
)
[2856K Standard A light source, 31.5 (mW/cm
2)
or 14,040 (LUX)]
]
NOTES.
THE LEFT SIDE AND RIGHT SIDE SENSOR EXHIBIT CURRENTS
WITH A NOMINAL VALUE OF 0.145mA±15%mA AT31.5mW/cm2 or
14040LUX
Fig 1. Current output vs. Light level.
Fig 2. Relative Sensitivity vs. wavelength
Fig 3. Relative Solar Output
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Fig 4. Application Schematic Example
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