GP1A91LCJ00F Datasheet, PDF (7/11 Pages) Sharp Electrionic Components – Gap : 1.2mm, Slit : 0.23mm OPIC Output, Compact Transmissive Photointerrupter

GP1A91LCJ00F
■ Design Considerations
● Design guide
1) Prevention of detection error
To prevent photointerrupter from faulty operation caused by external light, do not set the detecting face to
the external light.
2) Position of opaque board
Opaque board shall be installed at place 1.6mm or more from the top of elements.
(Example)
1.6mm or more
1.6mm or more
This product is not designed against irradiation and incorporates non-coherent IRED.
● Degradation
In general, the emission of the IRED used in photointerrupter will degrade over time.
In the case of long term operation, please take the general IRED degradation (50% degradation over 5
years) into the design consideration.
Please decide the input current which become 2 times of MAX. I_FHL.
● Parts
This product is assembled using the below parts.
• Photodetector (qty. : 1) [Using a silicon photodiode as light detecting portion, and a bipolar IC as signal processing circuit]
Category
Material
Maximum Sensitivity
wavelength (nm)
Sensitivity
wavelength (nm)
Response time (μs)
Photo diode
Silicon (Si)
900
700 to 1 200
3
• Photo emitter (qty. : 1)
Category
Infrared emitting diode
(non-coherent)
Material
Gallium arsenide (GaAs)
Maximum light emitting
wavelength (nm)
950
I/O Frequency (MHz)
0.3
Sheet No.: D3-A01601EN
7