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SFH7779 Datasheet(PDF) 8 Page - OSRAM GmbH

Part # SFH7779
Description  Ambient Light and Proximity Sensor with Integrated 940nm IR Emitter
PDF  35 Pages
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Manufacturer  OSRAM [OSRAM GmbH]
Direct Link  http://www.osram.com
Logo OSRAM - OSRAM GmbH

SFH7779 Datasheet(HTML) 8 Page - OSRAM GmbH

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2016-04-25
8
Version 1.2
SFH 7779
1)
Example of PS Hysteresis
The switching distance h is specified from top sensor surface to the reflector.
Typical none detection distance 1)
KODAK grey card 100x130mm², R=90%
(ILED=200mA, VDD=2.5V, Ev = 0lx
low threshold = 8 counts)
hoff
12
cm
PS sensor output with human skin reflector
(ILED=200mA, VDD=2.5V, h=0mm: skin directly
on top of the sensor)
PSout
850
counts
Temperature coefficient of the PS signal
(ILED=200mA, VDD=2.5V, R=90%,
AReflector =10x13cm², h=4cm)
TKPS
0.15
%/K
SFH 7779
Reflector:
(Kodak grey card R=90%)
h
Reflector
distance h
INT voltage
h_off
h_on
h,HYS
HIGH
LOW



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