Data Sheet

New Product
TSSP77038
www.vishay.com
Vishay Semiconductors
Rev. 1.0, 09-Mar-12
3
Document Number: 82470
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
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Fig. 3 - Output Function
Fig. 4 - Output Pulse Diagram
Fig. 5 - Frequency Dependence of Responsivity
Fig. 6 - Sensitivity vs. Supply Voltage Disturbances
Fig. 7 - Sensitivity vs. Ambient Temperature
Fig. 8 - Relative Spectral Sensitivity vs. Wavelength
E
e
t
V
O
V
OH
V
OL
t
600 µs 600 µs
t = 60 ms
t
on
t
off
94 8134
Optical Test Signal
Output Signal, (see fig. 4)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.1 1 10 100 1000 10 000
t
on
, t
off
- Output Pulse Width (ms)
E
e
- Irradiance (mW/m
2
)
t
on
t
off
λ = 950 nm,
optical test signal, Fig. 3
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0.7 0.9 1.1 1.3
f/f
0
- Relative Frequency16925
f = f
0
± 5 %
Δ f(3 dB) = f
0
/10
E /E - Rel. Responsivity
e min.
e
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0.01 0.1 1 10 100
E
e
- Ambient DC Irradiance (W/m
2
)
E
e min.
- Threshold Irradiance (mW/m
2
)
Correlation with Ambient Light Sources:
10 W/m
2
= 1.4 kLx (Std. illum. A, T = 2855 K)
10 W/m
2
= 8.2 kLx (Daylight, T = 5900 K)
Wavelength of Ambient
Illumination:
λ
= 950 nm
4.5
5.0
T
amb
- Ambient Temperature (°C)
E
e min.
- Sensitivity (mW/m
2
)
0
0.05
0.10
0.15
0.20
0.40
- 30 - 10 10 30 50 70 90
0.30
0.25
0.35
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
750 800 850 900 950 1000 1050 1100 1150
21425 λ- Wavelength (nm)
S (λ)
rel
- Relative Spectral Sensitivity