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HAMAMATSU

S1200 Datasheet Preview

S1200 Datasheet

Two-dimensional PSD

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PSD
Two-dimensional PSD
S1200, S1300, S1880, S1881, S2044
Non-discrete position sensor utilizing photodiode surface resistance
PSD (Position Sensitive Detector) is an optoelectronic position sensor utilizing photodiode surface resistance. Unlike discrete element detectors
such as CCD, PSD provides continuous position data and features high position resolution and high-speed response.
PSD can be broadly divided into one-dimensional type and two-dimensional type. Two-dimensional type is further classified by structure into duo-
lateral type and tetra-lateral type. The duo-lateral type has superior position detection ability such as smaller position detection error and high
position resolution.
Listed in this catalog are typical two-dimensional type PSDs. Other types of PSDs such as one-dimensional type, electron beam detection type
and high-energy particle detection type are also available.
Features
l High position resolution
l Wide spectral response range
l High-speed response
l Simultaneous measurements of position and intensity
l Position is measured independent of light-spot size
l High reliability
Applications
l Optical position and angle sensing
l Remote optical control systems
l Automatic range finder systems
l Displacement and vibration monitors
l Laser beam alignment
l Medical equipment
s General ratings / Absolute maximum ratings
Type No.
Dimensional
outline
Package
Duo-lateral type two-dimensional PSD
S1300
Ceramic
Tetra-lateral type two-dimensional PSD
S1200
Ceramic
Pin-cushion type two-dimensional PSD
S2044
Metal
S1880
S1881
Ceramic
Active
area size
(mm)
13 × 13
13 × 13
4.7 × 4.7
12 × 12
22 × 22
Absolute maximum ratings
Reverse voltage
VR Max.
Operating
temperature
Topr
Storage
temperature
Tstg
(V) (°C) (°C)
20
-10 to +60
-20 to +80
20
-10 to +60
-20 to +80
20
-10 to +60
-20 to +80
s Electrical and optical characteristics (Typ. Ta=25 °C, unless otherwise noted)
Type No.
Spectral
response
range
λ
P eak Photo
sensitivity sensitivity
wavelength S
λp λ=λp
Interelectrode
resistance *1
Rie
Vb=0.1 V
Position
detection error *2
Saturation
current
E Ist
ZONE A
ZONE
B
VR=5 V
RL=1 k
Dark
current
ID
VR=5 V
Temp.
coefficient
of ID
TCID
Rise
time
tr
VR=5 V
RL=1 k
T e rm in a l
capacitance
Ct
VR=5 V
f=10 kHz
Position
resolution
*3
Min. Typ. Max. T yp. M ax. T yp. M ax.
Typ. Max.
(nm) (nm) (A/W) (k) (k) (k) (µ m ) (µ m ) (µ m ) (µ m ) (mA) (nA) (nA) (tim es/° C) (µs) (pF) (µm)
Duo-lateral type two-dimensional PSD
S1300
320 to 1100 960 0.6 5 10 15 ±80 ±150 ±150 ±250 0.5 10 2000 1.15 0.8 250 1.4
Tetra-lateral type two-dimensional PSD
S1200
320 to 1060 920 0.6 5 10 15 ±150 ±300 ± 1200 ± 1500 0.5 3.0 500 1.15 1.5 250 1.4
Pin-cushion type two-dimensional PSD
S2044
±40 ±100 ±70 ±150
0.5 5
0.3 45 0.6
S1880
320 to 1060 920 0.6 5 10 15 ±80 ±150 ±150 ±250 0.5 1.0 500 1.15 1.5 300 1.5
S1881
±150 ±300 ±400 ±600
50 1000
3 900 2.8
*1: Measured between two output terminals opposite to each other, and the other terminals are open-circuited on measurement.
1




HAMAMATSU

S1200 Datasheet Preview

S1200 Datasheet

Two-dimensional PSD

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Two-dimensional PSD S1200, S1300, S1880, S1881, S2044
*2: The radius of Zones A and B depend on the product type. They are determined as follws:
Type No. ZONE A (mm)
ZONE B (mm)
S1300
2.5
5
S1200
S2044
2.5 5
0.9 4 × 4 (quadrate)
ZONE A
ZONE B
S1880
S1881
2.5
5
5
10
ACTIVE AREA
KPSDC0063EA
*3: Position resolution
This is the minimum detectable light spot displacement. The detection limit is indicated by distance on the photosensitive
surface. The numerical value of the resolution of a position sensor using a PSD is proporional to both the length of the PSD
and the noise of the measuring system (resolution deteriorates) and inversely proportional to the photocurrent (incident
evergy) of the PSD (resolution improves).
· Light source: LED (900 nm)
· Photocurrent: 1 µA
· Spot Light size: φ200 µm
· Circuit system input noise: 1 µV (1 kHz)
· Frequency range: 1 kHz
· Interelectrode resistance: Typical value (Refer to specification table.)
s Spectral response
s Photo sensitivity temperature characteristic s Terminal capacitance vs. reverse voltage
0.8
QE=100 %
+2.0
0.7
S1300
+1.5
0.6
10 nF
1 nF
(Typ. Ta=25 °C, f=10 kHz)
S1881
0.5
0.4 QE=50 %
+1.0
100 pF
S1200, S1300, S1880
0.3
0.2 S1200, S1880
S1881, S2044
0.1
+0.5
0
10 pF
S2044
0
200 400 600 800 1000 1200
-0.5
300 400 500 600 700 800 900 1000 1100
1 pF
0.1 1 10 100
WAVELENGTH (nm)
KPSDB0013EA
WAVELENGTH (nm)
KPSDB0015EB
s Example of position detectability (Ta=25 °C, λ=900 nm, spot light size: φ200 µm)
S1300
S1200
REVERSE VOLTAGE (V)
S2044
KPSDB0074EA
LINE INTERVAL: 1 mm
LINE INTERVAL: 1 mm
LINE INTERVAL: 0.5 mm
S1880
LINE INTERVAL: 1 mm
KPSDC0015EA
S1881
LINE INTERVAL: 2 mm
KPSDC0017EA
KPSDC0019EA
KPSDC0020EA
KPSDC0021EA
2


Part Number S1200
Description Two-dimensional PSD
Maker HAMAMATSU
Total Page 6 Pages
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