瑞萨电子 (Renesas Electronics Corporation)
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ISL76683

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Light-to-Digital Output Sensor with Gain Selection, Interrupt Function and I²C Interface

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特性

  • 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)
查找环境光传感器的其他产品
ISL76683 Functional Diagram

描述

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.

产品参数

属性 值
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) -
Counts/Lux (Max) (Counts) 65
Resolution (bits) 16
Gain Selection Yes
Qualification Level Automotive
Temp. Range (°C) -40 to +105°C

封装选项

Pkg. Type Pkg. Dimensions (mm) Lead Count (#) Pitch (mm)
ODFN 2.0 x 2.1 x 0.00 6 0.7

应用方框图

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其他应用

  • Automotive ambient light sensing
  • Backlight control
  • Lighting controls

当前筛选条件

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The ISL76xx family features the first transparent package qualified for -40 to 105 degrees Celsius.

Transcript

Another area that Intersil has ICs is ambient light sensors. In the past, we've had a large market share in portable devices like handsets, cell phones, cameras, etc. with our ambient light sensors. These devices are now migrating into the vehicle. So, there's a few key areas that they're used. They're used for adjusting the brightness on the lighting on your dashboards. They're also used within the mirrors in the vehicle where there is a sensor at the back of the mirror and a sensor now in the front of the mirror, where you actually, you detect the difference in light coming from headlights before you or from behind you. So, our ambient light sensors are designed specifically to meet automotive requirements. We are the only ambient light sensor supplier worldwide that meets the full requirements up to a 105 °C for our ambient light sensor packaging. All our competitors, the best they can get is up to 85 °C.

So, if you have an application where your ambient light sensor is on your dashboard or at the back of the mirror, overtime that will degrade with performance if it's only rated to 85 °C. So, our devices today are the only ones in the market rated to actually meet that requirement.

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