Vishay TSSP57P38, Manual

Page: 3 / 10

TSSP57P38
www.vishay.com
Vishay Semiconductors
Rev. 2.2, 30-Mar-2021
3
Document Number: 82480
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
TYPICAL CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
Fig. 1 - Output Active Low
Fig. 2 - Pulse Length and Sensitivity in Dark Ambient
Fig. 3 - Frequency Dependance of Responsivity
Fig. 4 - Sensitivity in Bright Ambient
Fig. 5 - Sensitivity vs. Supply Voltage Disturbances
Fig. 6 - Output Pulse Width vs. Irradiance
E
e
T
t
* t
pi
10/f
0
is recommended for optimal function
V
O
V
OH
V
OL
t
16110_4
Optical Test Signal
(IR diode TSAL6200, I
F
= 0.4 A, 30 pulses, f = f
0
, t = 10 ms)
Output Signal
t
d
1) t
po
2)
1)
7/f
0
<
t
d
<
15/f
0
2)
t
pi
- 5/f
0
< t
po
< t
pi
+ 6/f
0
t
pi
*
1.0
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0.1 1 10 10
2
10
3
10
4
E
e
- Irradiance (mW/m
2
)
t
po
- Output Pulse Width (ms)
Input Burst Length
Output Pulse Width
λ
= 950 nm,
Optical Test Signal, Fig.1
0
0.1
0.0
0.2
0.4
0.6
0.8
0.9
1.0
25 30 45 50
f/f
0
- Relative Frequency
E /E - Rel. Responsivity
e min.
e
40 35
0.1
0.3
0.5
0.7
f = f
0
± 5 %
Δ
f (3 dB) = f
0
/10
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
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1 10 100 1000
Δ
Vs
RMS
- AC Voltage on DC Supply Voltage (mV)
E
e min.
- Threshold Irradiance (mW/m
2
)
f = f
0
f = 20 kHz
f = 30 kHz
f = 100 Hz
f = 10 kHz
22088
0
20
40
60
80
100
120
140
160
180
200
0.1 1 10 100
t
po
- Output
Pulse
W
idth
(ms)
E
e
- Irradiance (mW/m
2
)
Burst length = 300 ms, f = f
O