Datasheet

TSOP322.., TSOP324.., TSOP344.., TSOP348..
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Vishay Semiconductors
Rev. 1.5, 10-Aug-18
3
Document Number: 82489
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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 - Output Function
Fig. 4 - Output Pulse Diagram
Fig. 5 - Frequency Dependence of Responsivity
Fig. 6 - Sensitivity in Bright Ambient
16110
E
e
T
t
pi
*
t
* t
pi
10/f
0
is recommended for optimal function
V
O
V
OH
V
OL
t
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
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0.1 1 10 100 1000 10 000
E
e
- Irradiance (mW/m²)
t
po
- Output Pulse Width (ms)
Input burst length
λ = 950 nm,
Optical test signal, fig. 1
Output pulse width
20743
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
E
e
- Irradiance (mW/m²)
t
on
, t
off
- Output Pulse Width (ms)
20744
λ = 950 nm,
optical test signal, fig. 3
t
on
t
off
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 %
Δf(3 dB) = f
0
/10
E
e min.
/E
e
- Relative Responsivity
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/m²)
E
e min.
- Threshold Irradiance (mW/m²)
Correlation with ambient light sources:
10 W/m² = 1.4 klx (std. illum. A, T = 2855 K)
10 W/m² = 8.2 klx (daylight, T = 5900 K)
Wavelength of ambient
illumination: λ = 950 nm
20745