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MAX3370, MAX3371 低電壓電平轉(zhuǎn)換器，SC70

2009-11-19 10:08本站整理 佚名我要評(píng)論（0）我要收藏

MAX3370, MAX3371 低電壓電平轉(zhuǎn)換器，SC70和µDFN封裝(含應(yīng)用電路)

概述

The MAX3370/MAX3371 logic-level translators are ideal for applications interfacing low-voltage devices to other logic levels. Externally applied voltages set the logic levels of the MAX3370/MAX3371. The devices accept VCC from +2.5V to +5.5V and VL from +1.6V to +5.5V, allowing data transfer between low-voltage ASICs and higher voltage devices. The MAX3371 features a shutdown mode that reduces supply current to < 1µA and puts the I/O pins in a high-impedance state.

The MAX3370/MAX3371 are bidirectional level shifters, allowing data transfer from the VCC side to the VL side and from the VL side to the VCC side. Both devices operate at speeds up to 2Mbps with an active driver and up to 500kbps with an open-drain driver.

The MAX3370/MAX3371 are available in space-saving µDFN (1mm x 1.5mm) and SC70 packages.

關(guān)鍵特性

  • Allow Bidirectional Level Translation
  • Miniature µDFN (1mm x 1.5mm) and SC70 Packages
  • Operational Down to 1.6V
  • Low Quiescent Current (< 100µA)
  • Ultra-Low (< 1µA) Shutdown Supply Current (MAX3371)
  • Three-State Outputs in Shutdown (MAX3371)
  • 2Mbps (10pF Load) Push-Pull Driving
  • 1Mbps (50pF Load) Push-Pull Driving
  • 500kbps (30pF Load) Open-Drain Driving

    應(yīng)用/使用

     蜂窩電話托架
     蜂窩電話免提工具包
     低電壓ASIC電平轉(zhuǎn)換
     便攜式通信設(shè)備
     便攜式POS系統(tǒng)
     兼容于RS-232的轉(zhuǎn)換器
     智能讀卡器
     SPI™、MICROWIRE™、I²C電平轉(zhuǎn)換器

    MAX3370、MAX3371：典型工作電路
    典型工作電路

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