SOC Integrated Smoke detector
SOC Integrated Smoke detector
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Product details
Supply Ability
- Warranty(Year)：1 Year
Product Specifications
Product Description
The installation of smoke detectors in public buildings, commercial buildings, and residential houses is required is many countries national legislation. The LSD2SD-SC520 provides a fully programmable platform with the necessary resources to set up analog addressable, optical smoke detectors with minimum of external components. The device provides a high current driver for a transmitter LED and a high impedance current to voltage conversion for the photo current of the receiver diode. Fast 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. The configurable address allows bus operation with up to 255 detectors on a loop.
Properties
Designed for network addressable optical smoke detectors
2-wire bus operation with (8- 50)V supply voltage
Low supply current (88μA)
Configurable bus transceiver
Embedded 8-bit μController
4 KByte FLASH ROM
Mask ROM option (for series)
Configurable 200mA LED driver
32 Byte E2PROM for configuration
Configurable alarm communication driver
266mA
Photo current input range (1.5-45)nA
Band pass filter (0.45-4.5)kHz
10 bit ADC
Thermistor input
4 digital general purpose IOs
JTAG debug and programming interface
Added value factors
Low supply current
Minimum number of external components
User programmable μController
Configurable bus interface
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