MAX3362

3.3V、高速、RS-485/RS-422收发器,SOT封装


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说明

MAX3362为低功率、用于RS-485/RS-422通信的高速收发器,+3.3V单电源运行。器件内置一路由线路驱动器和接收器组成的收发器。收发器运行时数据速率可高达20Mbps,且输出定时偏差小于6ns;驱动器和接收器传输延迟保证低于50ns。快速转换和低定时偏差特性使MAX3362可理想用于多落点时钟/数据分配系统。

在标准的54Ω负载上保证+1.5V的输出幅度,符合RS-485规范。在空载或满载但是驱动器禁止的情况下,收发器汲取1.7mA电源电流。另外,MAX3362具有低功耗关断模式,关断时,电源电流降至1µA。

MAX3362具有1/8单位负载输入阻抗,允许多达256个收发器接入总线;MAX3362专为半双工通信而设计。器件具有热切换特性,可消除电路初始化过程中可引起的数据电缆上数据虚假跳变。驱动器有短路电流限制电路及热关断电路,使其不受过大功耗的影响。

MAX3362采用8引脚SOT封装,符合工业及自动温度范围规范。
MAX3362:典型工作电路 MAX3362:典型工作电路 放大+

关键特性

  • 节省空间的8引脚SOT封装
  • 有保证的20Mbps数据速率
  • 单+3.3V电源运行
  • 发送器和接收器定时偏差6ns (最大)
  • 热插播
  • 共用+5V逻辑
  • 允许多达256个收发器接入总线
  • 1µA低功耗关断模式
  • 1.7mA工作电源电流
  • -7V至+12V共模输入范围
  • 电流限制及热关断特性
  • 半双工运行
  • 汽车用温度范围

应用

  • 时钟/数据分配
  • 工业控制
  • 销售终端机(POS)装置
  • 安全设备
  • 电信设备

请查看具体的参数规格 RS-485/RS-422 Line Driver/Receivers (208)


Part NumberTx/RxDuplexVSUPPLY
(V)
ICC
(mA)
Data Rate
(kbps)
Tx ENRx ENICC (Shutdn.)
(µA)
Rx/Tx on BusRx Failsafe w/ InputsSlew Rate LimitingOper. Temp.
(°C)
Package/PinsBudgetary
Price
typmintypSee Notes
MAX3362 1Tx + 1RxHalf3.31.720000YesYes1256NoneNo
-40 to +85
-40 to +125
SOIC (N)/8
SOT23/8
WAFER UNSAWN/N
$2.68 @1k

Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。
产品可靠性报告: MAX3362.pdf 
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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