SFH7776 Datasheet, PDF (5/34 Pages) OSRAM GmbH – Ambient Light and Proximity Sensor with Integrated 850nm IR Emitter

Version 0.1
SFH 7776
Measurement modes
Mode
Description
OFF
The device is inactive. Other units may use the I²C bus without any restrictions; I/O
pins and INT are in high Z state. There is no sink current through the LED
STAND-BY
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be read and written.
ALS / PS free -
RUNNING
Measurements are triggered internally by the SFH 7776. Stand-by / active mode for
ALS and PS, measurement times, interrupt options and LED current can be adjusted
via I²C register. Measurement results can be read from the data register, the status
from the interrupt register.
OFF
STAND-BY
Proximity Sensor (PS)
free - RUNNING
Ambient Light Sensor (ALS)
free - RUNNING
Proximity Sensor (PS)
and
Ambient Light Sensor (ALS)
free - RUNNING
If V_DD exceeds the threshold voltage, the sensor will switch from OFF mode to STAND-BY mode. As
shown in the transition-diagram above it is possible to switch between all modes without any restriction.
2013-07-09
5
DRAFT - For reference only.
Subject to change without notice.