GaP Detector with Integrated Amplifier - TOCON_GaP4
• GaP photodetector with integrated amplifier
• for UV + VIS (190 – 570 nm) measurements
• TO5 hermetically sealed metal housing with diffusor
• 0 … 5 V signal output
• max. irradiance (saturation limit) at 445 nm (peak wavelength) is 9 µW/cm2
• min. irradiance (resolution limit) is 0.9 nW/cm2
- Model Number: TOCON_GaP4
- Data Sheet:
- Quantity:
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Product Specification
TOCON-GaP4
GaP detector with integrated amplifier
◆ TOCON-GaP4 GaP detector with integrated amplifier General Features
Properties of the TOCON-GaP4
• GaP detector for irradiation measurement in TO5 housing with diffusor
• 0 … 5 V voltage output
• peak wavelength at 445 nm
• max. radiation (saturation limit) at peak is 9 µW/cm2, minimum radiation (resolution limit) is 0.9 nW/cm2
• Applications: measurement of very low UV...VIS (570nm) irradiation, occupational safety
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. Highly modern electronic components and a hermetically sealed metal housing with UV glass window eliminates noise caused by parasitic resistance paths inside the package or EMI. A TOCON is a per-fect solution for each industrial UV sensing application starting from flame detection at pW/cm2 level up to UV curing lamp control at W/cm2 level. This thirteen orders of magnitude range is covered by ten different TOCONs that differ by their sensitivity. The TOCONs are produced as UV broadband sensors or with filters for selective measurement.
◆ TOCON-GaP4 GaP detector with integrated amplifier Specifications
| Parameter | Symbol | Value | Unit |
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| Spectral Characteristics | |||
| Typical Responsivity at Peak Wavelength 395nm | Smax | 560 | mV/µW/cm2 |
| Wavelength of max. Spectral Responsivity | λmax | 445 | nm |
| Responsivity Range (S=0,1*Smax) | – | 190 … 570 | nm |
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| 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 | < -0,5 | %/K |
| Current Consumption | I | 150 | µA |
| Bandwidth (-3 dB) | B | 15 | Hz |
| Risetime (10-90%) | trise | 0,066 | s |
| (other risetimes on request) | |||
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| Maximum Ratings | |||
| Operating Temperature | Topt | -25 … +85 | °C |
| Storage Temperature | Tstor | -40 … +100 | °C |
| Soldering Temperature (3s) | Tsold | 300 | °C |
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