Features
- Range select with I2C
- Range 1 = 0 lux to 1000 lux
- Range 2 = 0 lux to 4000 lux
- Range 3 = 0 lux to 16000 lux
- Range 4 = 0 lux to 64000 lux
- Human eye response (540nm peak sensitivity)
- Temperature compensated
- 16-bit resolution
- Adjustable sensitivity: up to 65 counts per lux
- User-programmable upper and lower threshold interrupt
- Simple output code, directly proportional to lux
- IR + UV rejection
- 50Hz/60Hz rejection
- 2.5V to 3.3V supply
- 6 Ld ODFN (2.1mm x 2mm)
- AEC-Q100 qualified
- Pb-free (RoHS compliant)
Description
The ISL76683 is an integrated light sensor with an internal integrating ADC intended for automotive applications. The ADC provides 16-bit resolution and is capable of rejecting 50Hz and 60Hz flicker caused by artificial light sources. The I2C interface provides four user-programmable lux sensitivity ranges for optimized counts/lux in a variety of lighting conditions. The I2C interface also provides multi-function control of the sensor and remote monitoring capabilities. In normal operation, power consumption is less than 300μA. Furthermore, a software power-down mode controlled with the I2C interface reduces power consumption to less than 1μA. The ISL76683 supports twin (upper and lower) user-programmed thresholds and provides a hardware interrupt that remains asserted low until the host clears it with the I2C control interface. The ISL76683 is designed to operate on supplies from 2.5V to 3. 3V and is AEC-Q100 qualified and specified for operation across the -40 °C to +105 °C (Grade 2) ambient temperature range. To achieve this, the ISL76683 is packaged in a special extended temperature clear package.
Parameters
| Attributes | Value |
|---|---|
| Peak Spectral Sensitivity (nm) | 540 |
| VS (Min) (V) | 2.25 |
| VS (Max) (V) | 3.3 |
| ICC | 290 |
| Dark ADC Code @ Ev=0Lux (Max) (Counts) | 5 |
| Enable | Yes |
| Interface | I2C |
| Lux Range (lux) | 64000 |
| Counts/Lux (Max) (Counts) | 65 |
| Resolution (bits) | 16 |
| Gain Selection | Yes |
| Qualification Level | Automotive |
| Temp. Range (°C) | -40 to +105°C |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| ODFN | 2.0 x 2.1 x 0.00 | 6 | 0.7 |
Application Block Diagrams
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Additional Applications
- Automotive ambient light sensing
- Backlight control
- Lighting controls
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Simulation Models
The ISL76xx family features the first transparent package qualified for -40 to 105 degrees Celsius.