產品資訊

光電感測器 高速 InGaAs Photodiodes

DETAIL
Indium gallium arsenide photodiodes are commonly used to detect wavelengths in the NIR range. The benefits of using InGaAs are that it has much higher shunt resistance and lower dark current than germanium, making it ideal for sensitive measurements and other low-noise applications.

 
  • Features

  • Chip diameters from 60 μm to 300 μm
  • Spectral response from 850 nm to 1700 nm
  • Low dark current for high sensitivity
  • Low capacitance for high speed (up to 2.5 GHz depending on package)
  • Wide packaging variety: TO packages, fiber pigtails, chip on ceramic submount, and more

 
  • Applications

  • Optical communication
  • Time-resolved fluorescence measurements
  • LED/LD temporal characterization
  • LiDAR
  • Free Space Optics (FSO)


  • Electrical Characteristics @ 25 °C

GAP60/CS GAP75 GAP100 GAP300
Active Diameter 60 75 100 300 µm
Responsivity @ 850nm 0.10 (0.20) 0.10 (0.20) 0.10 (0.20) 0.10 (0.20) A/W min. (typ.)
                        1300nm 0.80 (0.90) 0.80 (0.90) 0.80 (0.90) 0.80 (0.90) A/W min. (typ.)
                        1550nm 0.95 0.95 0.95 0.95 A/W min.
Dark Current @ 5V 0.8 (0.3) 0.8 (0.3) 1.0 (0.5) 5.0 (1.0) nA max. (typ.)
Capacitance @ 5V 0.7(0.5)/0.5(0.3)-CS 0.8 (0.6) 1.2 (1.0) 8.0 (4.0) pF max. (typ.)
Bandwidth 50Ω -3dB 6/10-CS 10 3 0.8 GHz min. @ 5V
Rise/Fall time RL = 50Ω 0.06/0.03-CS 0.07 0.1 0.4 ns max. @ 5V
NEP @ 1550 nm 10.0E-15 10E-15 13E-15 18E-15 W/√Hz typ.
Case Style (standard) TO-46(mod)/CS-1 TO-46(mod) TO-46(mod) TO-46(mod)
 
 
  • Maximum Ratings

GAP60/CS GAP75 GAP100 GAP300
Storage Temperature -40 to 125 -40 to 125 -40 to 125 -40 to 125 °C
Operating Temperature -40 to 85 -40 to 85 -40 to 85 -40 to 85 °C
Reverse Voltage 25 25 25 25 V
Reverse Current 1 10 10 25 mA
Forward Current 10 10 10 100 mA


Figure1-Dark Current vs. Reverse Bias



Figure 2-Capacitance vs. Reverse Bias
  
Figure 3-Effect of Temperature on Responsivity


  • Package Outlines

" PT " Assembly



TO-46 (Modified)
► Noted: Dimensions in mm (in.) Custom packages are available

 
  • Ceramic Submounts

CS-1
 

CS-2
► Dimensions in mm (in.) Custom submounts are available.