SFH7779 datasheet(10/35 Pages) OSRAM

10 / 35 page

2016-04-25

Version 1.2

SFH 7779

Characteristics (Ta = 25°C)



Parameter

Symbol

Value

Unit

min.

typ.

max.

Ambient Light Sensors: ALS VIS and ALS IR diode

Wavelength of max. sensitivity for ALS VIS

 S

max

560

Spectral range of sensitivity (10% of Smax) of

ALS VIS



S10%

450

950

Wavelength of max. sensitivity of ALS IR



Smax

880

Spectral range of sensitivity (10% of Smax) of

ALS IR



S10%

830

1050

Illuminance measurement range is

programmable

(the maximum ALS sensitivity can be reached

with the ALS high sensitivity mode --> 400ms

ALS integration time)

(MODE_CONTROL (0x41h) = 0Ah or 0Bh)

0.0022

73000

ALS VIS sensor output

(1000lx; white LED; VDD = 2.5V)

((MODE_CONTROL (0x41h) = 08h)

(ALS_PS_CONTROL (0x42h): Gain = X1)

ALSVIS_out 750

900

1080

counts

ALS IR sensor output

(324µW/cm²; IRED 850 nm; VDD = 2.5V)

((MODE_CONTROL (0x41h) = 08h)

(ALS_PS_CONTROL (0x42h): Gain = X1)

ALSIR_out 460

550

660

counts

ALS VIS sensor output at darkness

((MODE_CONTROL (0x41h) = 08h)

(ALS_PS_CONTROL (0x42h): Gain = X1)

ALSVIS_out 00

2counts

ALS IR sensor output at darkness

((MODE_CONTROL (0x41h) = 08h)

(ALS_PS_CONTROL (0x42h): Gain = X1)

ALSIR_out 00

2counts

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