OPT4001
OPT4001 is Digital Ambient Light Sensor manufactured by Texas Instruments.
ures
- High precision, high speed light-to-digital conversion over high speed I2C interface in two package variants
- Precision optical filtering to closely match human eye with excellent near infrared (IR) rejection
- Semi-logarithmic output with 9 binary logarithmic full-scale light range and highly linear response within each range
- Built-in automatic full-scale light range selection logic, which switches measurement range based on input light condition with excellent gain matching between ranges
- 28 bits of effective dynamic range from
- 312.5 μlux to 83 klux for Pico Star™ package variant
- 437.5 μlux to 117 klux for SOT-5x3 package variant
- 12 configurable conversion times from 600 μs to 800 ms is an excellent choice for a wide variety of high speed and high precision applications
- External pin interrupt for hardware synchronized trigger and interrupts (only on SOT-5X3 package variant)
- Internal FIFO for output registers with I2C burst readout
- Low operating current: 30 μA with ultra-low power standby: 2 μA
- Operating temperature range:
- 40°C to +85°C
- Wide power-supply range: 1.6 V to 3.6 V
- 5.5 V Tolerant I/O pins
- Selectable I2C address
- Small-form factor
- Pico Star™ package: 0.84 mm x 1.05 mm x 0.226 mm
- SOT-5X3: 2.1mm x 1.9mm x 0.6mm
2 Applications
- Display backlight controls for
- Smartwatches, wearable electronics, and health fitness bands
- Tablets and notebooks
- Multi-function printers
- Home automation interfaces
- Thermostats and home automation appliances
- Lighting control systems to detect light level (day or night)
- Point-of-sale terminals
- Outdoor traffic and street...