Ambient Light Sensors | NOA1312

高精度环境光传感器，具有三个 I2C 从站地址

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NOA1312 高精度环境光传感器 (ALS) 适用于非常高精度（允差范围优于 +/- 5％）的手持应用。该器件集成了一个 16 位 ADC、一个 2 线 I2C 数字接口和三个可通过引脚选择的 I2C 从地址、内部时钟振荡器、EEPROM 和电源关断模式。光电光学彩色滤波器具有内置的动态暗电流补偿和精确校准功能，以及出色的 IR 和 50/60 Hz 闪烁抑制性能，可实现从极低光度到全日光的高精度测量。该器件可支持在中断驱动或轮询模式下的简单计数等于勒克斯读数。NOA1312 采用安森美半导体的专属 CMOS 图像感应技术，可基于整个运行温度范围提供大信噪比 (SNR) 和宽动态范围 (DR)。

  • Display power management
  • Tablets, Netbooks, LED backlit displays
  • Smart phones, PDAs, MP3 players, GPS
  • Video recorders
  • Photopic light response
  • Dark current compensation
  • 0.096 lux to full sunlight range
  • Very high accuracy (better than +/- 5%)
  • Three I2C addresses, pin selectable
  • Less than 100nA in power down mode
  • Less than 240uA in normal operation
  • Linear response over full range

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