E520.30数据手册Elmos中文资料规格书

描述 Description

The device provides a high current driver for a transmitter LED and a high impedance I-V conversion for the photo current of the receiver diode. Optimized response of both amplifier and ADC allow short transmitter pulses while keeping high detection efficiency. The amplifier’s band pass filter characteristics remove noise from the signal. Transmitter pulses and signal acquisition as well as signal evaluation are controlled by the embedded micro controller allowing the user to take full control over the system performance with the user defined program code running from FLASH memory. The configurable address allows bus operation with up to 255 detectors on one bus.

特性 Features

·2-Wire bus operation with 8V to 50V supply, low supply current down to 88µA
·Configurable bus transceiver
·Embedded 8-bit µC with 4kByte Flash-ROM
·Sensitive input for photo diode and programmable LED driver
·Thermistor input for separate temperature surveillance
·4 GPIOs combined with programming interface for factory configuration

应用 Application

·Bus connected, network addressable smoke-detectors