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1L Series  |  2L Series |  Theory  |  Specification Chart
2L Series
Position Sensing Detectors ""PSD" are silicon photodiodes that provide an analog output
directly proportional to the position of a light spot on the detector active area. The PSD allows you to simultaneously monitor position and light intensity.

Features:
  • Superior Linearity
  • Better Than 99.95% Over 80% Of Active Area
  • Proven Analog Resolution Better Than 1 Part Per Million
  • Low Thermal Drift, Less Than 40 ppm/°C
  • Fast Response Time
  • Simultaneous Position And Intensity Measurement
  • Wide Spectral Range
  • Independent Of Light Spot Size
psd1_sh.jpg
2L Series
2L2SP
2l2sp 
2L2SP Pin Configuration
1. Output X1
2. Output Y1
Outputs Y1, Y2 and X1, X2 are respectively interchangeable.
3. Output X2
4. Output Y2
The anodes Y1, Y2 must be at negative potential compared to the cathodes X1, X1.
                                          
2L4SP
 
2L4SP
2L4SP Pin Configuration Notes
1. Output X1
2. Output Y1
Outputs Y1, Y2 and X1, X2 are respectively interchangeable.
3. Output X2
4. Output Y2
The anodes Y1, Y2 must be at negative potential compared to the cathodes X1, X1.
                                          
2L10SP
 
2L10SP
2L10SP Pin Configuration Notes
1. Output X1
2. Output Y1
Outputs Y1, Y2 and X1, X2 are respectively interchangeable.
3. Output X2
4. Output Y2
The anodes Y1, Y2 must be at negative potential compared to the cathodes X1, X1.
                                          
2L20SP
 
2L20SP
2L20SP Pin Configuration Notes
1. Output X1
2. Output Y1
Outputs Y1, Y2 and X1, X2 are respectively interchangeable.
3. Output X2
4. Output Y2
The anodes Y1, Y2 must be at negative potential compared to the cathodes X1, X1.
                                          

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