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ADM3493 数据表 (PDF) - Analog Devices

ADM3493 Datasheet PDF - Analog Devices
部件名 ADM3493
下载  ADM3493 下载

文件大小   331.63 Kbytes
  12 Pages
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices
功能描述 3.3 V Slew Rate Limited, Half Duplex RS-485/RS-422 Transceiver

ADM3493 Datasheet (PDF)

Go To PDF Page 下载 数据表
ADM3493 Datasheet PDF - Analog Devices

部件名 ADM3493
下载  ADM3493 Click to download

文件大小   331.63 Kbytes
  12 Pages
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices
功能描述 3.3 V Slew Rate Limited, Half Duplex RS-485/RS-422 Transceiver

ADM3493 数据表 (HTML) - Analog Devices

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ADM3493 产品详情

GENERAL DESCRIPTION

The ADM3493 is a low power, differential line transceiver designed to operate using a single 3.3 V power supply. Low power consumption, coupled with a shutdown mode, makes it ideal for power-sensitive applications. The ADM3493 is suitable for communication on multipoint bus transmission lines.

The device contains one driver and one receiver. Designed for half-duplex communication, the ADM3493 features a slew rate limited driver that minimizes EMI and reduces reflections caused by improperly terminated cables, allowing error-free data transmission at data rates up to 250 kbps.

The receiver input impedance is 96 kΩ, allowing up to 256 transceivers to be connected on the bus. A thermal shutdown circuit prevents excessive power dissipation caused by bus contention or by output shorting. If a significant temperature increase is detected in the internal driver circuitry during fault conditions then the thermal shutdown circuit forces the driver output into a high impedance state. The receiver contains a fail safe feature that results in a logic high output state, if the inputs are unconnected (floating).

The ADM3493 is fully specified over the commercial and industrial temperature ranges and is available in an 8-lead SOIC.



FEATURES

  Operates with 3.3 V supply

  Interoperable with 5 V logic

  EIA RS-422 and RS-485 compliant over full CM range

  Data rate: 250 kbps

  Half duplex transceiver

  Reduced slew rates for low EMI

  2 nA supply current in shutdown mode

  Up to 256 transceivers on a bus

  −7 V to +12 V bus common-mode range

  Specified over −40°C to +85°C temperature range

  8 ns skew

  Available in 8-lead SOIC



APPLICATIONS

  Low power RS-485 applications

  EMI sensitive systems

  DTE-DCE interfaces

  Industrial control

  Packet switching

  Local area networks

  Level translators



 




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关于 Analog Devices


Analog Devices,Inc。(ADI)是一家公开交易的公司,设计,开发和制造高性能模拟,混合信号和数字信号处理(DSP)集成电路(ICS)。
该公司成立于1965年,总部位于马萨诸塞州的诺伍德。
ADI服务于广泛的行业,包括航空航天和国防,汽车,通信,消费者,工业,医疗以及测试和测量。
该公司的产品组合包括数据转换器,放大器和比较器,电源管理IC,微控制器,传感器和无线电频率(RF)和微波组件等。
ADI致力于创新和客户满意度,并致力于为客户提供高质量,可靠的解决方案以满足他们的需求。
侧重于能源效率和可持续性,ADI是模拟和混合信号行业的领导者,推动了技术进步,并为世界上最具挑战性的问题提供了创新的解决方案。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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