器件名称:
ST485BD
功能描述:
Low power RS-485/RS-422 transceiver
文件大小:
306.51KB 共19页
简 介:
ST485 Low power RS-485/RS-422 transceiver General features ■ ■ ■ ■ ■ ■ ■ ■ ■ Low quiescent current: 300A Designed for RS-485 interface application -7V to 12V common mode input voltage range Driver maintains high impedance in 3-state or with the power OFF 70mV tipycal input hysteresis 30ns propagation delay, 5ns skew Operate from a single 5V supply Current limiting and thermal shutdown for driver overload protection Allows up to 64 transceivers on the bus It operates from a single 5V supply. Driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that placed the driver outputs into a high-impedance state. The ST485 is designed for bi-directional data communications on multipoint bus transmission line (half-duplex applciations). The ST485 is available in three temperature range: commercial (0°C to 70°C), industrial (40°C to 85°C) and automotive (-55°C to 125°C) DIP-8 SO-8 Description The ST485 is al low power transceiver for RS-485 and RS-422 communication. Each part contains one driver and one receiver. This transceiver draw 300A (typ.) of supply current when unloaded or fully loaded with disabled drivers. Order code Part number ST485CN ST485BN ST485XN ST485CD ST485BD ST485CDR ST485BDR ST485XDR Temperature range 0 to 70 °C -40 to 85 °C -55 to 125 °C 0 to 70 °C -40 to 85 °C 0 to 70 °C -40 to 85 °C -55 to 125 °C Package DIP-8 DIP-8 DIP-8 SO-8 (Tube) SO-8 (Tube) SO-8 (Tape & reel) SO-8 (Tape & reel) SO-8 (Tape ……
