- 加工定制：否
- 品牌：其他
- 型号：EPL2590KTWJP
- 种类：光学
- 制作工艺：集成
- 输出信号：数字型
- 提供加工定制：否
- 材料：聚合物
- 材料物理性质：半导体
- 材料晶体结构：多晶
- 防护等级：1
- 线性度：
- 迟滞：
- 重复性：
- 灵敏度：高
- 漂移：低
- 分辨率：高
- 缸径×冲程：13
the epl2590ktwjp integrates an ambient light (als) sensor, a proximity sensor (ps) and with both i2c and interruptpin outputs and with built-in ir led. it is used in notebook pcs, smartphones, mids (mobile internet devices), pnds (portable navigation devices), e-books, tablet pcs, flat-panel televisions, etc.for extending battery life and for better user visual experience. ambient light sensor optimizes the screen brightness to extend battery and to increase lame life. proximity sensor (ps) measures their reflection intensity which correlates to the distance of the object. proximity sensor enables the device controller to turn off the lcd back-light and the touch-screen sensor when the device isheld close to your ear, placed inside the pocket, purse, or bags. this function saves the battery power and avoids unintended touch-screen trigger. proximity sensor can also work as a device wake-upsensor by sensing the user waving the hand in front of the device.
features
n als and ps with built-in ir led in a single chip
n minimum lux resolution: 0.001 lux/count
n large dynamic range: ambient light sensor measures 100,000 lux
n digital control and data output via i2c (100 khz and 400 khz)interface
n programmable analog gain and integration time for als and ps
n 60 hz compensation by averaging : programmable filtering of the alsmeasurement
n interrupt pin supports active-low microprocessor interrupt bus for ps event,programmed by the “high” and “low” thresholds
n sensor works as a proximity (contact-less) switch in stand-alone mode withouti2c bus wires to a master
n core vdd : 2.4 to 3.2 v
n active vdd pin current : 320ua
n average current at 3.0v, based on power-saving mode.
ambient sensing mode : 30ua typical.
proximity sensing mode : 30ua typical (w/o ir led power)
idle current : 1ua typical
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