Cxle87171 has built-in two-stage high gain, high input impedance operational amplifier, which can match with a variety of sensors for signal preprocessing; cxle87171 also has built-in high-precision reference power supply and bidirectional amplitude discriminator, which can effectively suppress power supply and environmental noise interference, improve system reliability and reduce false alarm rate.
Cxle87171 can be set by adjusting the peripheral circuit: adjusting the sensitivity of induction, setting the signal trigger blocking time and output delay time, selecting the working mode of repeatable and non repeatable trigger, setting the light control function, etc. the circuit debugging is flexible and convenient, and can adapt to many different application occasions

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[ CXLE87171 ]"
目录
7.相关产品
产品概述 返回TOP
CXLE87171是一款具有较高性能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器件即可构成被动式的热释电红外开关。
CXLE87171内置了两级高增益、高输入阻抗运算放大器,可与多种传感器匹配,进行信号预处理;CXLE87171还内置了高精度的参考电源和双向鉴幅器,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。
CXLE87171可通过调整外围电路进行多种设置:调整感应灵敏度、设置信号触发封锁时间和输出延迟时间、选择可重复触发和不可重复触发工作模式,设置光控功能等,电路调试灵活方便,可适应多种不同的应用场合。
CXLE87171采用了SOP16封装。
产品特点 返回TOP
Ø 宽工作电压范围:2.5V~5.5V
Ø 低待机电流:50uA
Ø 两种工作模式可选:可重复触发和不可重复触发模式
Ø 信号放大器增益可调,带宽可调
Ø 触发封锁时间可调,可有效抑制负载切换干扰和重复误动作
Ø 输出延迟时间可调
Ø 光控功能可选,白天可以不工作
Ø 噪声抑制能力强,可靠性高
应用范围 返回TOP
Ø 各类自动照明、蜂鸣器、自动门、烘干机和自动洗手池等自动开关系统。
Ø 自动报警系统
技术规格书(产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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感应灯 |
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产品型号 |
输入电压 |
输出电压 |
输出电流 |
工作效率 |
产品封装 |
备注 |
2.5V~5.5V |
/ |
50mA |
/ |
SOP-16 |
两种工作模式可选 |
|
2.8V~5.5V |
/ |
50mA |
/ |
SOP-8 |
输出延迟时间可调 |