Si1120
PROXIMITY/AMBIENT LIGHT SENSOR WITH PWM OUTPUT
Features
Typically 50 cm meter proximity High EMI immunity without
range with single pulse
shielded packaging
Seven precision optical
Power supply: 2.
2–3.
7 V
measurement modes:
Operating temperature range:
3 proximity ranges
–40 to +85 °C
3 dc ambient ranges
Typical 10 µA current
1 calibration mode
consumption
Low-noise ambient cancelling Programmable 400/50 mA LED
circuit allows maximum
constant current driver output
sensitivity with 8–12 bit resolution Allows independent LED supply
ALS works in direct sunlight
voltage
(100 klux)
Small outline 3 x 3 mm (ODFN)
Minimum reflectance sensit...