Universal Smoke Detector Controller

The IC E520.24 provides two high current driver for a transmitter LED and a high impedance I-V conversion for the current of the photo diode. Optimized response of both amplifier and ADC allow short transmitter pulses while keeping high detection efficiency. The amplifier’s band pass filter characte ·2-Wire bus operation with 8V to 50V supply, low supply current down to 88µA\n·Configurable bus transceiver\n·Embedded 8-bit µC with 4kByte Flash-ROM\n·Sensitive input for photo diode and programmable LED driver \n·Thermistor input for separate temperature surveillance\n·4 GPIOs combined with progra;

Universal Smoke Detector Controller

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