SiC Based UV-Index Photodetector with Integrated Amplifier - TOCON_E_OEM
• SiC based UV-Index photodetector in TO5 housing
• spectral response compliant to CIE087 / DIN5050
• designed to work with customer's cosine correcting dome
• 0 … 5 V voltage output
• 1 UVI results a voltage of approx. 0.5 V
• Applications: UV-Index measurement with very small error <+-3%
- Quantity:
- - +
Product Specification
TOCON_E_OEM SiC Based UV-Index Photodetector
SiC based UV-Index photodetector with integrated amplifier
designed to work with customer's cosine correcting dome
◆ TOCON_E_OEM SiC Based UV-Index Photodetector General Features
Properties of the TOCON_E_OEM SiC Based UV-Index Photodetector
• SiC based UV-Index photodetector in TO5 housing
• spectral response compliant to CIE087 / DIN5050
• designed to work with customer's cosine correcting dome
• 0 … 5 V voltage output
• 1 UVI results a voltage of approx. 0.5 V
• 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/m 2 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_E_OEM SiC Based UV-Index Photodetector Specifications
Parameter | Symbol | Value | Unit |
Spectral Characteristics | |||
Approx. Sensitivity (unit is not calibrated) | Smax | 0.5 | V/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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