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RAA239101 Photoelectric Smoke Detector AFE

RAA239101 Description

Datasheet RAA239101 Photoelectric Smoke Detector AFE IC The RAA239101 is a low-power Analog Front-End (AFE) IC; combined with a microcontroller, pho.

RAA239101 Features

* Ultra-low current consumption
* 9V or 3.3V battery operation
* LDO for microcontroller supply
* 10-bit ADC for measuring voltage on 7 analog pins
* Drives two LED emitters with 8-bit current DAC control from 45mA to 600mA
* Two photodiode receivers w

RAA239101 Applications

* Photoelectric smoke detectors A piezoelectric horn driver is also included to provide CONFIDENTIAL an audible alarm. Battery Type VDD VDD VDD VDD VDD 3.3V or 9V Battery Jumper 3.3V 9V JP1 Short Open RESET JP2 Short Open TOOL0 Programmer RESET TOOL0 VDD P146 P147 Visible LEDs

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Photoelectric Smoke Detector AFE Renesas
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