優(yōu)勢(shì)供應(yīng)APDS-9922

Description (Cont.)
Color and ALS detection
The Color and ALS detection feature provides red, green,
blue and clear light intensity data. Each of the R, G, B, C
channels have a UV and IR blocking filter and a dedicated
data converter producing16-bit data simultaneously. This
architecture allows applications to accurately measure
ambient light and sense color which enables devices to
calculate color temperature and cool display backlight.
Interrupt
I 2 C Interface
INT
SCL
SDA
Blue
Threshold
Cool
GND
Green
Red
Clear
Right
Left
Down
Up
LED K
LED A
VDD
LDR
32 x 4 Byte
FIFO
Gesture
Engine
Proximity
Engine
ALS
RGBC
ADC
PWM
MUX
Oscillator
Proximity detection
The Proximity detection feature provides distance mea-
surement (E.g. mobile device screen to user’s ear) by pho-
todiode detection of reflected IR energy (sourced by the in-
tegrated LED). Detect/release events are interrupt driven,
and occur whenever proximity result crosses upper and/
or lower threshold settings. The proximity engine features
offset adjustment registers to compensate for system
offset caused by unwanted IR energy reflections appear-
ing at the sensor. The IR LED intensity is factory trimmed
to eliminate the need for end-equipment calibration due
to component variations. Proximity results are further im-
proved by automatic ambient light subtraction.
標(biāo)簽： APDS   APDS-9922   深圳市優(yōu)勢(shì)   深圳市優(yōu)勢(shì)廠家