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rs485 single gas detection device

rs485 single gas detection device

IntroductionSingle-Ended Data TransmissionDifferential Data TransmissionLine drivers and receivers are commonly used to exchange data between two or more points (nodes) on a network. Reliable data communications can be difficult in the presence of induced noise, ground level differences, impedance mismatches, failure to effectively bias for idle line conditions, and other hazards associated with installation of a network. The connection between two or more elements (drivers and receivers) should …See more on rs485.com[PDF]Low power RS-485/RS-422 transceiver - STMicroelectronics 2009 Rev 16 1/19 19 ST485B ST485C Low power RS-485/RS-422 transceiver Features Low quiescent current: 300 µA Designed for RS-485 interface application - 7 V to 12 V common mode input voltage range Driver maintains high impedance in 3-state or with the power OFF 70 mV typical input hysteresis 30 ns propagation delay, 5 ns skew Operate from a single 5 V supply

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