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SFH7740 Datasheet(PDF) 4 Page - OSRAM GmbH

Part # SFH7740
Description  Reflexlichtschranke Reflective Optical Switch
PDF  14 Pages
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Manufacturer  OSRAM [OSRAM GmbH]
Direct Link  http://www.osram.com
Logo OSRAM - OSRAM GmbH

SFH7740 Datasheet(HTML) 4 Page - OSRAM GmbH

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SFH 7740
2009-01-14
4
Kennwerte (Ta = 25°C)
Characteristics
Bezeichnung
Parameter
Symbol
Symbol
Wert
Value
Einheit
Unit
min.
typ.
max.
Minimale Betriebsspannung für Startphase
Minimum required supply voltage for start-up
(please see figure 2)
V
dd, start
0.8
2.0
V
Länge der Startphase
Start up time
(please see figure 2)
t
start
60
90
120
ms
Mess-Wiederholzeit
Measurement refresh time
(please see figure 2)
t
refresh
60
90
120
ms
LED „An“ Zeit
LED „ON“ Time
(please see figure 3)
t
pulse
30
45
60
µs
Mittlere Stromaufnahme
1)
Mean current consumption
1)
R
Prog = h, Vdd = 3V
I
dd, mean
25
50
μA
Maximale Stromaufnahme
Maximum current consumption
R
Prog = h, Vdd = 3V
I
dd, max
10
20
mA
Mittlere Stromaufnahme
1)
Mean current consumption
1)
R
Prog = 470 Ω, Vdd = 3V
I
dd, mean
45
75
μA
Maximale Stromaufnahme
Maximum current consumption
R
Prog = 470 Ω, Vdd = 3V
I
dd, max
50
65
mA
Ausgangsleckstrom „high“
Output leakage current „high“
DV
dd = 2.2V
I
out, H
5
400
nA
Ausgangsspannung „low“
Output voltage „low“
DV
dd = 2.2V; Rpullup = 270 Ω
V
out, L
0.1
0.5
V
Wellenlänge der max. Fotoempfindlichkeit
Wavelength of max. sensitivity
λ
S, max
880
nm



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