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参数资料
| 型号： | S8554 |
| 元件分类： | 光敏二极管 |
| 英文描述： | PHOTO DIODE |
| 封装： | CC-18 |
| 文件页数： | 1/2页 |
| 文件大小： | 126K |
| 代理商： | S8554 |
S8554 is a one-dimensional PSD (Position Sensitive Detector) with a long, narrow active area sealed in a surface mountable chip carrier
package. S8554 delivers excellent position detection characteristic and resolution.
Hamamatsu also provides L5586 infrared LED compatible with S8554.
Features
l Long, narrow active area: 1 × 12 mm
l Chip carrier package for surface mount (t=1.26 mm)
l Excellent position detection characteristic and resolution
Applications
l Distance measurement
l Displacement measurement
l Position detection, etc.
PSD
One-dimensional PSD
Long, narrow active area and surface mountable package
S8554
s Absolute maximum ratings (Ta=25
°C)
Parameter
Symbol
Value
Unit
Reverse voltage
VR Max.20
V
Operating temperature
Topr
-10 to +60
°C
Storage temperature
Tstg
-20 to +80
°C
s Electrical and optical characteristics (Ta=25
°C)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Spectral response range
λ
-
320 to 1100
-
nm
Peak sensitivity wavelength
λp
-
960
-
nm
Photo sensitivity
S
λ=λp
-0.60
-
A/W
Dark current
ID
VR=5 V
-
0.2
20
nA
Rise time
tr
VR=5 V, RL=1 k
λ=830 nm, 10 to 90 %
-3.0
-
s
Terminal capacitance
Ct
VR=5 V, f=10 kHz
-
80
-
pF
Interelectrode resistance
Rie
Vb=0.1 V
30
50
80
k
Position detection error
E
VR=5 V,
λ=900 nm
φ200 m *1
-
±60
±240
m
Position resolution
R
Io=1 A, B=1 kHz *
2
-0.3
-
m
Saturation photocurrent *
3
Ist
VR=5 V
500
-
A
*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 A
Equivalent input noise voltage of circuit: 1 V (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
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