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PDF SFH7779 Data sheet ( Hoja de datos )
| Número de pieza | SFH7779 | |
| Descripción | Ambient Light and Proximity Sensor | |
| Fabricantes | OSRAM | |
| Logotipo |  |
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2007-05-23
Ambient Light and Proximity Sensor with Integrated 940nm IR Emitter
Umgebungslicht- und Proximity Sensor mit integriertem 940nm IR Emitter
Version 1.0
SFH 7779
Features:
• Proximity sensor (PS)
- Detection range up to 160 mm
- 940 nm IR emitter integrated in package
- Programmable pulse current up to 200 mA
- No separator needed if placed <0.4mm behind
glass window, window thickness<1.0 mm
• Ambient light sensor (ALS)
- detection range 0.0022 - 73000 lx;
- 50Hz/60Hz flicker noise suppression
• I2C interface (max. 400kHz)
• PS and ALS Interrupt function
• Current consumption
- typ. 0.8µA in Standby mode
- typ 90µA for ALS operation
- typ 60µA for PS operation
• Miniature package 4mm x 2.1mm x 1.35mm
Besondere Merkmale:
• Näherungssensor (PS)
- Detektionsbereich bis zu 160mm
- 940 nm Emitter, im Gehäuse integriert
- Programmierbarer Pulsstrom bis 200 mA
- Funktion ist auch bei Abdeckung mit einem
Glasfenster gegeben (Abstand des Glases
<0.4mm, Fensterdicke <1.0mm)
• Umgebungslichtsensor (ALS)
- ALS-Bereich 0.0022 - 73000 lx
- Unterdrückung von 50Hz/60Hz basierten
Umgebungslichtstörungen
• I2C interface (max. 400kHz)
• Interrupt Funktion für PS und ALS
• Stromverbrauch
- typ 0.8µA im Standby Modus
- typ 90µA im ALS Modus
- typ 60µA im PS Modus
• Kleines Gehäuse 4mm x 2.1mm x 1.35mm
Applications
• Mobile phones
• PDAs and notebooks
• Cameras
• Consumer products
Anwendungen
• Mobiltelefone
• PDAs und Notebooks
• Kameras
• Consumer-Produkte
2014-07-25
1
1 page  
Version 1.0
Maximum Ratings (TA = 25 °C)
Parameter
Storage temperature range
Operating temperature range
Maximum supply voltage
(between VDD and GND)
Maximum voltage of SDA, SCL to GND
Maximum voltage of INT to GND
Maximum voltage of VLED to GND
Maximum Current of INT and SDA
ESD withstand voltage
(acc. to ANSI / ESDA JEDEC JS-001-HBM)
Symbol
Tstg
Top
VDD
Vdig
Vint
VLED
IINT / ISDA
ESD
SFH 7779
Values
-40 ... 100
-40 ... 85
4.5
4.5
7
7
7
2
Unit
°C
°C
V
V
V
V
mA
kV
2014-07-25
5
5 Page 
Version 1.0
SFH 7779
Parameter
Resolution of the digital output signal based on
gain settings for ALS VIS:
MODE_CONTROL (0x41h) = 08h
tint ALS = 100ms
Gain X1
Gain X2
Gain X 64
Gain X 128
Symbol Value
min.
ALSVIS_out
typ.
1.1
0.55
0.018
0.009
High sensitive mode:
MODE_CONTROL (0x41h) = 0Ah
tint ALS = 400ms
Gain X 128
(VDD = 2.5V; white LED)
- Gain settings at ALS_PS_CONTROL (0x42h)
Typical temperature coefficient for ALS
measurement
(1000lx; white LED; VDD = 2.5V)
Mean current consumption
((MODE_CONTROL (0x41h) = 08h)
(other registers are in default)
Typical error by Flicker noise
(caused by bulbs (f=50 or 60Hz) or fluorescent
lamps)
TCEv
IDD
0.002
0.2
90
max.
150
3
Unit
lx/count
%/K
µA
%
2014-07-25
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet SFH7779.PDF ] | |
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