S8594 is a quadrant photodiode array with a slit mask (code strip) formed on the Si chip surface.
P H O T O D I O D E
PRELIMINARY DATA
Jan. 2002
S8594
Si PIN photodiode
Quadrant photodiode with slit mask for encoder
Features
l
Quadrant photodiode with slit mask of
L/S (Line/Space)=10/10 m
l
Uses a light-shielded, non-reflective black slit
l
Active area:
o
5 mm/4 elements
(element gap: 50 m)
l
Bare chip type (window-less)
Applications
l
Encoder
s Absolute maximum ratings (Ta=25
C)
Parameter
Symbol
Value
Unit
Reverse voltage
V
R
Max.30
V
Operating temperature
Topr
0 to +60 *
C
Storage temperature
Tstg
0 to +80 *
C
* No condensation
s Electrical and optical characteristics (Ta=25
C, per 1 element)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Spectral response range
-
320 to 1100
-
nm
Peak sensitivity wavelength
p
-
960
-
nm
Photo sensitivity
S
=
p
0.60
0.72
-
A/W
Dark current
I
D
V
R
=10 V
-
0.3
2.0
nA
Terminal capacitance
Ct
V
R
=10 V, f=1 MHz
-
10
-
pF
Cut-off frequency
fc
V
R
=10 V, R
L
=50
=780 nm, -3 dB
-
25
-
MHz
S8594 uses a window-less package with no protection for the photodiode chip. Always take the following precautions when
handling.
s
Handling precautions
q
Handle the photodiode in a clean room.
q
Never touch the photodiode chip surface and wire bonding.
q
Wear dust-proof gloves and dust-proof mask.
q
Use an air dust cleaner to blow dust and foreign matter away from the photodiode chip surface.
q
Do not clean the photodiode by any method other than air blow.
1
Si PIN photodiode
S8594
HAMAMATSU PHOTONICS K.K., Solid State Division
1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: (81) 053-434-3311, Fax: (81) 053-434-5184, http://www.hamamatsu.com
U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658
France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777
North Europe: Hamamatsu Photonics Norden AB: Smidesvgen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01
Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions.
Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. 2002 Hamamatsu Photonics K.K.
Cat. No. KMPD1054E01
Jan. 2002 DN
s
Spectral response
0
0.2
0.4
0.6
0.1
0.3
0.5
0.7
0.8
(Typ. Ta=25 C)
200
400
600
800
1000
WAVELENGTH (nm)
PHOTO SENSITIVITY (A/W)
s
Photo sensitivity temperature
characteristic
0
190
400
600
800
1000
+1.0
+0.5
(Typ. )
+1.5
-0.5
WAVELENGTH (nm)
TEMPERATURE COEFFICIENT (%/
C)
s
Dark current vs. reverse voltage
REVERSE VOLTAGE (V)
DARK CURRENT
100 pA
10 nA
1 nA
10 pA
1 pA
0.01
0.1
1
10
100
(Typ. Ta=25 C)
s
Terminal capacitance vs.
reverse voltage
REVERSE VOLTAGE (V)
TERMINAL CAPACITANCE
(Typ. Ta=25 C, f=1 MHz)
1 nF
10 pF
1 pF
100 fF
0.1
1
10
100
100 pF
s
Photo sensitivity uniformity
0
POSITION ON PHOTOSENSITIVE SURFACE (mm)
[Slit (light-shielded black mask): L/S=10 m,
=830 nm, spot light size (1/e
2
):
7 m]
OUTPUT
0.5
1
1.5
2
(
,
)
8.8 0.2
(4 ) R0.3
10.6 0.2
1.5
1.27
1.5
2.5
0.46
1.26 0.15
0.03
0.03
5.0
a
b
d
c
(10 ) 0.6
Package burr may extend to the outside
a maximum of 0.3 mm.
PHOTOSENSITIVE
SURFACE
DETAILS OF
ACTIVE AREA
ACTIVE AREA
ANODE b
NC
CATHODE COMMON
NC
ANODE c
ANODE d
NC
NC
NC
ANODE a
0.14
0.015
ANODE
ELECTRODE
SLIT
L/S=0.01/0.01
0.05
0.05
0.01
0.01
SLIT
L/S=0.01/0.01
0.01
0.01
KMPDB0185EA
KMPDB0186EA
s
Dimensional outline (unit: mm)
KMPDB0189EA
KMPDB0123EA
KMPDB0184EA
KMPDA0138EA
2
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