APD
Si APD array
S8550
4 × 8 element APD array with low noise and enhanced short-wavelength sensitivity
S8550 is an APD (avalanche photodiode) array designed for short wavelength detection, featuring low noise and low terminal capacitance. S8550
also offers uniform gain and small cross-talk between each element.
Features
Applications
l
High sensitivity and low noise in short wavelength region
l
Low terminal capacitance
l
Optimized for blue light detection
l
Uniform gain and low cross-talk variation between
each element
l
Low-light-level photometry in the visible range
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Detector systems combined with scintillator
s
General ratings
Parameter
Element size
Element pitch
Package
Window material
Rating
1.6 × 1.6 (× 32 elements)
2.3
Ceramic
Epoxy resin
Unit
mm
mm
-
-
s
Absolute maximum ratings
Parameter
Operating temperature
Storage temperature
Symbol
Topr
Tstg
Value
-20 to +60
-20 to +80
Unit
°C
°C
s
Electrical and optical characteristics (Ta=25 °C)
Parameter
Spectral response range
Peak sensitivity wavelength
Quantum efficiency
Breakdown voltage
Dark current
Terminal capacitance
Gain
Symbol
Condition
λ
M=50
λp
QE
λ=420
nm
V
BR
I
D
per 1 element, M=50
per 1 element, M=50,
Ct
f=10 kHz
M
Min.
-
-
60
-
-
-
-
Typ.
320 to 1000
600
70
400
10
10
50
Max.
-
-
-
500
50
-
-
Unit
nm
nm
%
V
nA
pF
-
1
HAMAMATSU [ HAMAMATSU CORPORATION ]
