InGaAs PIN photodiode
s
Spectral response
1
T=25 ˚C
T= -10 ˚C
T= -20 ˚C
(Typ.)
G8605 series
s
Photo sensitivity temperature characteristic
2
(Typ. Ta=25
˚C
)
TEMPERATURE COEFFICIENT (%/˚C)
PHOTO SENSITIVITY (A/W)
1
0.5
0
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
-1
0.8
1.0
1.2
1.4
1.6
1.8
WAVELENGTH (µm)
KIRDB0184EA
WAVELENGTH (µm)
KIRDB0042EA
Spectral response shifts towards the
short wavelength side when cooled.
One-stage TE-cooled type:
λc=1.67 µm
Two-stage TE-cooled type:
λc=1.65 µm
s
Photo sensitivity linearity
102
(Typ. Ta=25 ˚C,
λ=1.3 µm,
R
L
=2
Ω,
V
R
=0 V)
s
Dark current vs. reverse voltage
1
µA
G8605-15/-25
(Typ. Ta=25
˚C
)
RELATIVE SENSITIVITY (%)
100
G8605-11/-21
100 nA
G8605-13/-23
98
G8605-12/-22
DARK CURRENT
10 nA
G8605-12/-22
1 nA
G8605-11/-21
100 pA
96
94
G8605-13/-23
G8605-15/-25
92
90
0
2
4
6
8
10
12
14
16
10 pA
0.01
0.1
1
10
100
INCIDENT LIGHT LEVEL (mW)
KIRDB0241EA
REVERSE VOLTAGE (V)
KIRDB0242EA
Applying a reverse voltage increases
dark current, but improves frequency
characteristics and output linearity.
2
HAMAMATSU [ HAMAMATSU CORPORATION ]
