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Ambient Light Sensors | NOA1211
概览
NOA1211 是一款极低功耗环境灯传感器 (ALS)，带模拟电流输出和电源关断模式，可实现节能。此芯片重要用于手持设备应用，其有源功耗在黑暗处小于 8 uA，在电源关断模式下静止电流耗量小于 200 pA。该器件可在 2V - 5.5V 的很宽电压范围内运行。NOA1211 采用安森美半导体的专属 CMOS 图像感应技术，包括内置动态暗电流补偿，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)。此光电光学滤波器提供了与人眼类似的光反应。光电光反应和暗电流补偿一起可确保准确的亮度检测。
应用
- Display power management
终端产品
- Cell phones, PDAs, MP3 players, GPS
- Internet Mobile Devices (IMD)
- Cameras, video recorders
- Mobile devices with displays or backlit keypads
特性
- Photopic light response
- Dark current compensation
- 0 lux to over 100K lux range
- Power down mode
- Less than 8uA power at 0 lux
- Selectable gain ranges
- Linear response over full range
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NOA1211CUTAG
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