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ADM3490 数据表 (PDF) - Analog Devices

ADM3490 Datasheet PDF - Analog Devices
部件名 ADM3490
下载  ADM3490 下载

文件大小   450.98 Kbytes
  20 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- and Full-Duplex, RS-485/RS-422 Transceivers

ADM3490 Datasheet (PDF)

Go To PDF Page 下载 数据表
ADM3490 Datasheet PDF - Analog Devices

部件名 ADM3490
下载  ADM3490 Click to download

文件大小   450.98 Kbytes
  20 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- and Full-Duplex, RS-485/RS-422 Transceivers

ADM3490 数据表 (HTML) - Analog Devices

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ADM3490 产品详情

GENERAL DESCRIPTION
The ADM3483/ADM3485/ADM3488/ADM3490/ADM3491 are low power, differential line transceivers designed to operate using a single 3.3 V power supply. Low power consumption, coupled with a shutdown mode, makes the ADM3483/ADM3485/ADM3488/ADM3490/ADM3491 ideal for power-sensitive applications. The ADM3488/ADM3490/ADM3491 feature full-duplex communication, while the ADM3483/ADM3485 are designed for half-duplex communication.
The ADM3483/ADM3488 feature slew rate limited drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission at data rates up to 250 kbps.
The ADM3485/ADM3490/ADM3491 transmit at up to 10 Mbps. The receiver input impedance is 12 kΩ, allowing up to 32 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. If the inputs are unconnected (floating), the receiver contains a fail-safe feature that results in a logic high output state. The parts are fully specified over the commercial and industrial temperature ranges. The ADM3483/ADM3485/ADM3488/ADM3490 are available in 8-lead SOIC_N; the ADM3491 is available in a 14-lead SOIC_N.

FEATURES
  Operate with 3.3 V supply
  Interoperable with 5 V logic
  EIA RS-422 and RS-485 compliant over full common-mode range
  Data rate options
     ADM3483/ADM3488: 250 kbps
     ADM3485/ADM3490/ADM3491: 10 Mbps
  Half- and full-duplex options
  Reduced slew rates for low EMI (ADM3483 and ADM3488)
  2 nA supply current in shutdown mode (ADM3483/ADM3485/ADM3491)
  Up to 32 transceivers on the bus
  −7 V to +12 V bus common-mode range
  Specified over the –40°C to +85°C temperature range
  8 ns skew (ADM3485/ADM3490/ADM3491)
  8-lead SOIC and 14-lead SOIC (ADM3491 only) packages
 
APPLICATIONS
  Low power RS-485/RS-422 applications
  Telecom
  Industrial process control
  HVAC




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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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