HAMAMATSU S8543

PSD
One-dimensional PSD
S8543
Long, narrow active area and surface mountable package
S8543 is a one-dimensional PSD with a long, narrow active area sealed in a surface mountable chip carrier package. The active area of
0.7 × 24 mm delivers excellent position detection characteristics.
Hamamatsu also provides L5586 infrared LED compatible with S8543.
Features
Applications
l Long, narrow active area: 0.7 × 24 mm
l Chip carrier package for surface mount (t=1.36 mm)
l Excellent position detection characteristic and resolution
l Position detection of optical pickup head
l Distance measurement
l Displacement measurement
l Position detection, etc.
■ Absolute maximum ratings (Ta=25 °C)
Parameter
Reverse voltage
Operating temperature
Storage temperature
Symbol
VR Max.
Topr
Tstg
Value
7
-10 to +75
-20 to +80
Unit
V
°C
°C
■ Electrical and optical characteristics (Ta=25 °C)
Parameter
Spectral response range
Peak sensitivity wavelength
Photo sensitivity
Dark current
Symbol
λ
λp
S
ID
Condition
Min.
-
Typ.
320 to 1100
960
0.58
1
Max.
15
Unit
nm
nm
A/W
nA
λ=λp
VR=5 V
RL=1 kΩ, VR=5 V
Rise time
tr
20
50
µs
λ=780 nm, 10 to 90 %
Terminal capacitance
Ct
VR=5 V, f=10 kHz
65
130
pF
Interelectrode resistance
Rie
Vb=0.1 V
100
140
180
kΩ
λ=900 nm, VR=5 V
Position detection error
E
±50
±250
µm
φ200 µm *1
Position resolution
Io=1 µA, B=1 kHz *2
0.6
µm
∆R
3
Saturation photocurrent *
Ist
VR=5 V
200
µA
*1: Within ±75 % from center to end of active area
*2: This is the minimum detectable light spot displacement. The detection limit is indicated by the distance on the photosensitive
surface. The numerical value of the resolution of a position sensor using a PSD is proportional to both the length of the PSD
and the noise of the measuring system (resolution deteriorates) and inversely proportional to the photocurrent (incident
energy) of the PSD (resolution improves). The resolution value listed in this data sheet was calculated under the following
conditions.
• Frequency bandwidth: 1 kHz
• Photocurrent: 1 µA
• Equivalent input noise voltage of circuit: 1 µV (1 kHz)
• Interelectrode resistance: Typical value (refer to the specification table)
*3: This is the upper limit of photocurrent linearity. The upper limit is defined as a point where the photocurrent output deviates
10 % from the linearity.
1
One-dimensional PSD
■ Spectral response
S8543
■ Dark current vs. reverse voltage
(Typ. Ta=25 ˚C)
0.7
(Typ. Ta=25 ˚C)
10 nA
1 nA
0.5
DARK CURRENT
PHOTO SENSITIVITY (A/W)
0.6
0.4
0.3
0.2
100 pA
10 pA
0.1
0
200
400
600
800
1 pA
0.01
1000
WAVELENGTH (nm)
0.1
1
10
100
REVERSE VOLTAGE (V)
KPSDB0019EA
KPSDB0018EA
■ Position detection error
■ Terminal capacitance vs. reverse voltage
(Typ. Ta=25 ˚C, f=10 kHz)
+240
POSITION DETECTION ERROR (µm)
TERMINAL CAPACITANCE
10 nF
1 nF
100 pF
10 pF
1 pF
0.01
0.1
1
10
(Typ. Ta=25 ˚C, λ=900 nm, spot light size: 200 µm)
0
-240
-12 -10 -8 -6
100
REVERSE VOLTAGE (V)
-4
-2
0
+2 +4 +6 +8 +10 +12
POSITION ON PSD (mm)
KPSDB0020EA
KPSDB0021EA
■ Dimensional outline (unit: mm)
36.7 ± 0.35
(1.0)
30.5 ± 0.3
+0.2
1.0-0
(2.0)
24.0
2.54
0.7
Y
X
4.0 ± 0.2
(R0.25)
2.4 ± 0.25
28.5 ± 0.3
ACTIVE AREA
INDEX MARK
0.46
1.36 ± 0.15
+0.3
PHOTOSENSITIVE
SURFACE
1.4-0
DETAILS
CERAMIC
(1.0)
+0.30
(0.1)
(0.1)
(1.1)
1.4-0
ANODE (X1)
CATHODE (COMMON)
ANODE (X2)
CATHODE (COMMON)
KPSDA0058EA
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.
HAMAMATSU PHOTONICS K.K., Solid State Division
1126-1 Ichino-cho, Higashi-ku, Hamamatsu City, 435-8558 Japan, Telephone: (81) 53-434-3311, Fax: (81) 53-434-5184, 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.: 19, 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: Smidesvägen 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
2
Cat. No. KPSD1021E01
Jan. 2002 DN