MAX3386E

3.0V、±15kV ESD保护、RS-232收发器,用于PDA和蜂窝电话

独立的逻辑供电电源确保兼容混合ASIC逻辑电平


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说明

The MAX3386E 3V-powered EIA/TIA-232 and V.28/V.24 is a communications interface with low power requirements, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection. The MAX3386E has two receivers and three transmitters. All RS-232 inputs and outputs are protected to ±25kV using the IEC 1000-4-2 Air-Gap Discharge method, ±8kV using the IEC 1000-4-2 Contact Discharge method, and ±15kV using the Human Body Model.

A proprietary low-dropout transmitter output stage enables true RS-232 performance from a +3.0V to +5.5V supply with a dual charge pump. The charge pump requires only four small 0.1µF capacitors for operation from a +3.3V supply. The MAX3386E is capable of running at data rates up to 250kbps while maintaining RS-232 compliant output levels.

The MAX3386E has a unique VL pin that allows interoperation in mixed-logic voltage systems. Both input and output logic levels are pin programmable through the VL pin. The MAX3386E is available in a space-saving TSSOP package.
MAX3386E:典型工作电路 MAX3386E:典型工作电路 放大+

关键特性

  • VL Pin for Compatibility with Mixed-Voltage Systems
  • Enhanced ESD Protection on Rx Inputs and Tx Outputs
    • ±15kV—Human Body Model
    • ±25kV—IEC 1000-4-2, Air-Gap Discharge
    • ±8kV—IEC 1000-4-2, Contact Discharge
  • Low 300µA Supply Current
  • Guaranteed 250kbps Data Rate
  • 1µA Low-Power Shutdown
  • Meets EIA/TIA-232 Specifications Down to 3.0V

应用

  • 电池供电应用
  • 蜂窝数据电缆
  • 手持式装置
  • PDA与PDA托架
  • 外设
  • 亚笔记本与掌上电脑
Part NumberVSUPPLY
(V)
TxRxData Rate
(kbps)
ICC
(mA)
Internal Charge PumpExt. CapsCap. Value
(µF)
ESD Protect.
(±kV)
Rx Active in ShutdnPackage/PinsBudgetary
Price
mintypnomSee Notes
MAX3386E 
3.3
5
322500.3Yes40.1152
TSSOP/20
$3.26 @1k
查看所有RS-232 Line Driver/Receivers (136)
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。

CAD Symbols and Footprints

  • MAX3386ECUP+
  • MAX3386ECUP+T
  • MAX3386EEUP+
  • MAX3386EEUP+T
  • 型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

    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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