Si1120 Optical Sensor Common Specs
- PWM output
- Ambient light sensor
- Seven precision optical measurement modes:
- 3 proximity ranges
- 3 dc ambient light sensing ranges
- 1 calibration mode
- Low-noise ambient cancelling circuit allows maximum sensitivity with 8–12 bit resolution
- Works in direct sunlight (100 klux)
- Minimum reflectance sensitivity <1 μW/cm2
- High EMI immunity without shielded packaging
- Power supply: 2.2–3.7 V
- Operating temperature range: –40 to +85 °C
- Typical 10 μA current consumption
- Programmable 400/50 mA LED constant current driver output
- Allows independent LED supply voltage
Find the Right Si1120 Device
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| Part Number | Description | UV Index | LEDs | Proximity | Ambient Light Sensor | Interface | Package Type | Package Size (mm) |
|---|---|---|---|---|---|---|---|---|
| Proximity + ambient light sensor | 1 | Motion Sensing | PWM | DFN8 | 3x3 |
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Si1120 Optical Sensor Evaluation Kit
The Si1120 evaluation kit is an advanced evaluation platform for the Si1120 infrared proximity and ambient light sensor. Controlled by an advanced C8051F930 ultra low-power MCU, the Si1120EK contains an Si1120 sensor connected to three IR-LEDs.
Si1120 Optical Sensor Evaluation Kit
The Si1120 evaluation kit is an advanced evaluation platform for the Si1120 infrared proximity and ambient light sensor. Controlled by an advanced C8051F930 ultra low-power MCU, the Si1120EK contains an Si1120 sensor connected to three IR-LEDs.