Sharp BS520 Datasheet
BS520
BS520
Photodiode for Visible Light
■ Features
1. Spectral sensitivity characteristics akin to
that of human eye
2. Compact flat package
3. Low dark current (Id : MAX. 10 A at V
-11
4. Infrared light cut-off type
■ Applications
1. AE (automatic exposure) system and ES
(electronic shutter) system for cameras
2. Stroboscopes
3. Precise optical instruments
■ Absolute Maximum Ratings
Parameter Symbol Rating Unit
Reverse voltage V
Operating temperature T
Storage temperature T
*1
Soldering temperature T
*1 For 5 seconds
R
opr
stg
sol
10 V
-20 to + 60
-30 to + 80
260 ˚C
R=1V)
(
Ta=25˚C
■ Outline Dimensions
6.0
+ 0
- 0.1
5.0
φ 8.0
8.0
(
MAX.
0.1
± 0.05
1.4
3.4
(
Unit:mm
+ 0
- 0.1
(
)
3.6
2-0.6
)
12
0.25
± 0.1
2.2
Active area :
5.34mm
1 Anode
2 Cathode
)
1
2
2
)
˚C
˚C
MAX. Unit
-12
10
1 000
(
Ta= 25˚C
-11
■ Electro-optical Characteristics
*2
Parameter Symbol MIN.
Short circuit current I
Short circuit current
*2
temperature coefficient
Dark current I
Dark current temperature
coefficient
Terminal capacitance C
Peak sensitivity wavelength
Spectral sensitivity
*3
infrared radiation ratio
*2 E
: Illuminance by CIE standard light source A (tungsten lamp
V
∆I
= x 100%
*3
R
(
I
µ >=700nm
SC
(
entire wavelength
I
SC
“ In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs,
data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device.”
SC
β
T
d
α
T
t
λ
p
∆I
R
)
)
Conditions
= 100lx
E
V
E
= 100lx
V
VR=1V
=1V
V
R
VR= 0, f= 100kHz
-
-
TYP.
0.40 0.55 0.65 µA
- 0.02 0.06 %/˚C
-
3x10
- 4.0 5.0
600 pF
-
500 560 600 nm
- 5 10 %
)
A
times/
10˚C
)
BS520
Illuminance Ambient Temperature
-5
10
5
Ta= 25˚C
-6
10
5
)
-7
A
10
(
5
SC
-8
10
5
-9
10
5
-10
10
5
Short circuit current I
-11
10
5
-12
10
5
10-310-210
-1
55555
Illuminance EV (lx
1
10 10210
)
3
103
102
)
%
(
101
100
99
98
Relative short circuit current
97
96
010202530 40 50 60
Ambient temperature Ta (˚C
Fig. 3 Dark Current vs. Reverse Voltage Fig. 4 Spectral Sensitivity
Fig. 2 Relative Short Circuit Current vs.Fig. 1 Short Circuit Current vs.
-9
10
5
2
-10
10
)
5
A
(
d
2
-11
10
5
2
Dark current I
-12
10
5
2
-13
10
-3
10
Ta= 60˚C
50˚C
40˚C
30˚C
20˚C
-2
25 25 25 25
10
Reverse voltage VR (V
-1
10
0
10
)
1
10
100
90
)
80
%
(
70
60
50
40
30
20
Relative sensitivity
10
0
400 500 600 700 800 900
Wavelength λ (nm
Fig. 5 Response Time vs. Load Resistance
)
Ta= 25˚C
1000 1100 1200
)
1000
Ev= 100lx
Ta= 25˚C
500
)
200
µ s
(
100
f
, t
r
50
tr, t
f
20
10
Response time t
5
2
LED
112 5 10 20 50 100 200 500
Load resistance RL (kΩ
BS520
Output
R
L
Output
Input
10%
90%
t
t
r
f
1000
)
● Please refer to the chapter “Precautions for Use.”
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