SiC Based UV-Index Photodetector with Integrated Amplifier - TOCON_E2
• SiC based UV-Index photodetector in TO5 housing with diffusor
• spectral response compliant to CIE087 / DIN5050
• 0 … 5 V voltage output
• peak wavelength at 280 nm
• 1 UVI results a voltage of approx. 170 mV
• Applications: UV-Index measurement with very small error <+-3%
- Quantity:
- - +
Product Specification
TOCON_E2
SiC based UV-Index photodetector with integrated amplifier
◆ TOCON_E2 UV-Index Photodetector General Features
Properties of the TOCON_E2
• SiC based UV-Index photodetector in TO5 housing with diffusor
• spectral response compliant to CIE087 / DIN5050
• 0 … 5 V voltage output
• peak wavelength at 280 nm
• 1 UVI results a voltage of approx. 170 mV
• Applications: UV-Index measurement with very small error <+-3%
What is a TOCON?
A TOCON is a 5 Volt powered UV photodetector with integrated amplifier converting UV radiation into a 0 … 5V volt-age output. The V out pin of the TOCON can be directly connected to a controller, a voltmeter or any other data analyz-ing device with voltage input.
Information about the UV-Index (UVI)
The UV-Index is an international standard measurement of how strong the ultraviolet (UV) radiation from the sun is at a particular place on a particular day. It is a scale primarily used in daily forecasts aimed at the general public. The UV-Index is calculated by integrating the sun’s UV spectrum multiplied with the Erythema action curve (see spectral responsivity). That integral is divided by 25 mW/m2 to generate a convenient index value, which becomes essentially a scale of 0 to 10. The Erythema action curve is a wavelength resolved measure of the sunburn danger. It is maxi-mised at 297nm (UVB) and then strongly decreases towards UVA radiation.nput.
◆ TOCON_E2 UV-Index Photodetector Specifications
Parameter
Symbol
Value
Unit
Spectral Characteristics
Approx. Sensitivity (unit is not calibrated)
Smax
170
mV/UVI
Visible Blindness (Smax/S>405nm)
VB
> 1010
–
General Characteristics (T=25°C, Vsupply=+5 V)
Supply Voltage
VSupply
2,5 … 5
V
Saturation Voltage
VSat
VSupply - 5%
V
Dark Offset Voltage
VOffset
50
µV
Temperature Coefficient at Peak
Tc
< -0,3
%/K
Current Consumption
I
150
µA
Bandwidth (-3 dB)
B
15
Hz
Risetime (10-90%)
trise
0,182
s
(other risetimes on request)
Maximum Ratings
Operating Temperature
Topt
-25 … +85
°C
Storage Temperature
Tstor
-40 … +100
°C
Soldering Temperature (3s)
Tsold
300
°C
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