photodiodeS for high-perforMance applicationS
AVALANCHE
PHOTODIODES
FOR ANALYTICAL
APPLICATIONS
Avalanche Photodiodes – Si APD Arrays
applications
• Spectroscopy
• Particle detection
• Spot tracking and alignment systems
• Adaptive optics
• Lidar
features and Benefits
• High quantum efficiency
• Hermetically sealed packages
• Monolithic chip with minimal dead space
between elements
• Specific tailored wavelength response
• RoHS compliant
Avalanche Photodiodes Si APD Arrays
product description
C30927 series of quadrant Si Avalanche Photodiode and the C30985E multi-element APD array
utilize the double-diffused “reach-through”structure. This structure provides ultra high sensitivity at
400-1000 nm.
The C30927 quadrant structure has a common avalanche junction, with separation of the quadrants
achieved by segmentation of the light entry p+ surface opposite the junction. With this design, there
is no dead space between the elements and therefore no loss of response at boresight.
The C30927EH-01, -02 and -03 are optimized for use at wavelengths of 1060, 900, and 800 nm re-
spectively. Each device type will provide high responsivity and excellent performance when operated
within about 50 nm of the specified wavelength.
The C30985E is a 25 element monolithic linear APD array having a high inter-electrode resistance
with a 75 μm dead space between the elements. Packages have a common ground and bias with a
separate lead for each element output.
Product Table
Avalanche Photodiodes – Si APD Arrays
Part Number
Unit
Number
of Elements
mm
Photo Sensitive
Diameter
mm
Responsivity
A/W
Dark Current
per Element
nA
Spectral Noise
Current
pA/√Hz
Capacitance
@ 100 KHz
pF
Response Time
ns
NEP
fW /√Hz)
NEP
V
c30927eH-01
c30927eH-02
c30927eH-03
c30985e
4
4
4
25
1.5
1.5
1.5
0.3
15(@ 1060 nm)
62(@ 900 nm)
55(@ 800 nm)
31(@ 900 nm)
25
25
25
1
0.5
0.5
0.5
0.1
1
1
1
0.5
3
3
3
2
33(@ 1060 nm)
16(@ 900 nm)
9(@ 800 nm)
3(@ 900 nm)
275 - 425
275 - 425
275 - 425
250 - 425
Figure 1
Figure 2
15.24
(0.600)
Package Drawing – c30927 Series
Package Drawing – c30985e
15.24
(0.600)
18
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