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MAX212
+3V로 구동, 저전력, 진정한 RS-232 트랜시버


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The MAX212 RS-232 transceiver is intended for 3V-powered EIA/TIA-232E and V.28/V.24 communication interfaces where three drivers and five receivers are needed with minimum power consumption. The operating voltage range extends from 3.6V down to 3.0V while still maintaining true RS-232 and EIA/TIA-562 voltage levels.

A 1µA typical shutdown mode reduces power consumption, extending battery life in portable systems. While shut down, all receivers can remain active or can be disabled under logic control. This enables a system incorporating the CMOS MAX212 to be in low-power shutdown mode and monitor incoming RS-232 activity.

A guaranteed data rate of 120kbps provides compatibility with popular software for communicating with personal computers.

Three-state drivers on all receiver outputs are provided so that multiple receivers, generally of different interface standards, can be wire-ORed at the UART.

The MAX212 is available in both small-outline (SO) and shrink-small-outline (SSOP) packages. The SSOP package occupies less than half of the board area required by the equivalent SO package.

주요기능   애플리케이션/용도
SUPERIOR TO BIPOLAR:
  • Operates from Single +3.0V to +3.6V Supply
  • 24-Pin SSOP or Wide SO Packages
  • Meets All EIA/TIA-232E and EIA/TIA-562 Specifications
  • 3mA Max Supply Current (Unloaded)
  • 1µA Low-Power Shutdown Mode
  • All Receivers Active During Low-Power Shutdown
  • Mouse Compatible at 3.0V
  • Low-Cost, Surface-Mount External Components
  • 120kbps Guaranteed Data Rate-LapLink™ Compatible
  • Three-State Receiver Outputs
  • Evaluation Kit Available
  • Flow-Through Pinout

 
  • 컴퓨터: 노트북/팜탑/서브노트북
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  • 프린터

    Key Specifications:   RS-232 Line Driver/Receivers
    Part Number Supply Voltage (V) Number of Tx Number of Rx Data Rate (kbps) Typ. ICC Current (mA) Internal Charge Pump Number of Ext. Caps Nom. Cap. Value (µF) Number of Rx Active in Shutdown Features RoHS Available Package Operating Temp. Range (°C) Price**
    MAX212  3.3 3 5 120 1.5 Yes 2 0.33/0.68 5
    Shutdown
    Three State Rx O/P
    True RS-232
    Yes SOIC/24
    SSOP/24
    -40 to +85
    0 to +70
    $3.29 @ 1k
    See All RS-232 Line Driver/Receivers (138)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    다이어그램
    MAX212: Typical Operating Circuit
    일반 동작 회로

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    문서 레퍼런스 19-0162; 개정판 2; 1994-02-01
    이 페이지는 최근에 변경됨: 2007-07-17



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