2004年3月30日 · The MAX481E, MAX483E, MAX485E, MAX487E- MAX491E, and MAX1487E are low-power transceivers for RS-485 and RS-422 communications in harsh environments. Each driver output and receiver input is protected against ±15kV electro-static discharge (ESD) shocks, without latchup. These parts contain one driver and one receiver.

MAX481E、MAX483E、MAX485E、MAX487E-MAX491E和MAX1487E是低功耗收发器，适用于恶劣环境中的RS-485和RS-422通信。 每个驱动器输出和接收器输入都受到保护，可防止±15kV静电放电 (ESD)冲击，不会发生闩锁。 这些器件包含一个驱动器和一个接收器。 MAX483E、MAX487E、MAX488E和MAX489E具有低摆率驱动器，可充分降低EMI并减少因电缆端接不当引起的反射，从而实现高达250kbps的无误差数据传输。 MAX481E、MAX485E、MAX490E …

The MAX481, MAX483, MAX485, MAX487–MAX491, and MAX1487 are low-power transceivers for RS-485 and RS-422 communication. Each part contains one driver and one receiver.

Description: Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers. Manufacturer: Maxim Integrated Products.

2020年7月12日 · MAX487是用于低功耗RS-485总线收发器。 是否需要增加偏置电阻？ 在MAX487输出低电平的时候两线的差分是多少？ 1. TXD←总线. 在485总线B端加入交流信号。 A端接地。 测量RO的输出波形。 在上面测量过程中，MAX487在输出电压转换过程中出现了输入输出电压非单调变化的情况。 对于这个原因初步猜测是输入电流的增加，使得输入电压微微下降。 下面在输入Vtxd:串联一个200Ω的电阻，测量其两端的电压，反映了输入电流的变化。 下面是给 …

receiver input impedance, allowing up to 128 trans - ceivers on the bus. The MAX488E–MAX491E are. designed for full-duplex communications, while the. MAX1487E are designed for half-duplex applications. For applications that are not ESD sensitive see the pin- and function-compatible MAX481, MAX483, MAX485, MAX487–MAX491, and MAX1487.

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Part #: MAX487E. Download. File Size: 768Kbytes. Page: 16 Pages. Description: ±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers. Manufacturer: Maxim Integrated Products.

2017年10月18日 · The MAX481, MAX483, MAX485, MAX487–MAX491, and MAX1487 are low-power transceivers for RS-485 and RS-422 communication. Each part contains one driver and one receiver. Add product to the Products section of myAnalog (to receive notifications), to an existing project or to a new project.

MAX487ECSA+T – 1/1 Transceiver Half RS422, RS485 8-SOIC from Analog Devices Inc./Maxim Integrated. Pricing and Availability on millions of electronic components from Digi-Key Electronics.