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首页 > Products > Led Driver > Streetlight Spotlight Loghting Desk-lamp Lawn-lamp > Low-Voltage Lighting >Cxle87172 is a low-power pyroelectric infrared signal processor It can be used as a passive pyroelectric infrared switch with a pyroelectric infrared sensor and a small number of external components
Cxle87172 is a low-power pyroelectric infrared signal processor It can be used as a passive pyroelectric infrared switch with a pyroelectric infrared sensor and a small number of external components

Cxle87172 has built-in first-class high gain, high input impedance operational amplifier and first-class fixed gain amplifier, which can match with various sensors for signal preprocessing; cxle87172 also has built-in high-precision reference voltage and LDO, which can supply power to pyroelectric infrared sensor, effectively suppress power supply and environmental noise interference, improve system reliability and reduce false alarm rate.

Cxle87172 is a low-power pyroelectric infrared signal processor It can be used as a passive pyroelectric infrared switch with a pyroelectric infrared sensor and a small number of external components
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1.产品概述       2.产品特点     7b0嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)7b0嘉泰姆

5.产品封装       6.电路原理图  7b0嘉泰姆

7.相关产品7b0嘉泰姆

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      CXLE87172是一款低功耗的热释电红外传感信号处理器,它配以热释电红外传感器和少量外接元件即可构成被动式的热释电红外开关。

CXLE87172内置了一级高增益、高输入阻抗的运算放大器和一级固定增益放大器,可与多种传感器匹配,进行信号预处理;CXLE87172还内置了高精度的参考电压和LDO,该LDO可给热释电红外传感器供电,可有效抑制电源和环境噪声干扰,提高系统可靠性,降低误报率。7b0嘉泰姆

CXLE87172可通过调整外围电路进行多种设置:调整感应灵敏度、设置输出延迟时间、设置光控功能等。7b0嘉泰姆

CXLE87172采用了SOP8封装。7b0嘉泰姆

   产品特点 返回TOP7b0嘉泰姆


Ø  工作电压范围:2.8V~5.5V7b0嘉泰姆

Ø  低待机电流:18uA7b0嘉泰姆

Ø LDO输出电压:2.6V7b0嘉泰姆

Ø LDO最大输出电流:5mA7b0嘉泰姆

Ø  内置2秒的触发封锁时间,可有效抑制负载切换干扰和重复误动作7b0嘉泰姆

Ø  输出延迟时间可调7b0嘉泰姆

Ø  光控功能可选,白天可以不工作7b0嘉泰姆

Ø  噪声抑制能力强,可靠性高7b0嘉泰姆

   应用范围 返回TOP7b0嘉泰姆


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     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持!7b0嘉泰姆

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