h1_key

说明

RE46C191是一款低电压、低电流可编程光电烟雾探测器IC。该电路将为具有最少外部组件的光电烟雾探测器提供所有所需的功能。可编程设置、校准和功能选择是减少部件数量和降低制造成本的关键。升压调节器确保红外二极管和压电喇叭在低电池条件下正常工作。

特性

• Two AA battery Operation
• Low Quiescent Current Consumption
• Internal IRED driver with Programmable IRED Current
• Programmable Photo Amplifier
• Programmable Smoke Sensitivity Levels
• 6 bit ADC
• 9 Minute Timer for Reduced Sensitivity Operation
• Chamber Test with Programmable Sensitivity Level
• Internal Low Battery Test with Programmable Low Battery Set Point
• Interconnect up to 40 Detectors
• Local Alarm Memory
• Temporal or Continuous Horn Pattern
• All internal Oscillator
• Internal Power On Reset
• Available 16L N SOIC

参数