LTC6905-X

量产

Fixed Frequency SOT-23 Oscillator

产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许,也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。

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概述

  • No External Components to Set Frequency
  • Frequency Error ±0.5% Typical
  • Fast Start-Up Time: 100µs Typical
  • ±20ppm/°C Temperature Stability
  • Includes Output Enable
  • Includes Divide by 1, 2 or 4
  • Rise Time: 0.5ns, CL = 5pF
    • Timing Jitter: <0.8% Typical
    • Duty Cycle: 50% ±2.5%
    • IS = 8mA Typical (fOSC = 100MHz, CL = 5pF)
    • CMOS Output Drives 600Ω Load
    • Single Supply 2.7V to 5.5V
    • Low Profile (1mm) ThinSOT Package

    The LTC6905-X series of parts are precision, fixed frequency, silicon oscillators designed to minimize board space while maximizing accuracy and ease of use.

    Programmed at the factory to a fixed frequency, the LTC6905-X series of parts need no external trim components. An internal three-state divider allows for division of the master clock by 1, 2 or 4, providing 3 frequencies (for each device).

    The LTC6905-X series operate with a single 2.7V to 5.5V power supply and provide a rail-to-rail, 50% duty cycle, square wave output. The OE pin will disable the output when brought low and synchronously enable the output when brought high, avoiding pulse slivers.

    The four products of the LTC6905-X family are:

    • LTC6905-133: fOSC = 133MHz, 66.7MHz, 33.3MHz
    • LTC6905-100: fOSC = 100MHz, 50MHz, 25MHz
    • LTC6905-96: fOSC = 96MHz, 48MHz, 24MHz
    • LTC6905-80: fOSC = 80MHz, 40MHz, 20MHz

     

    The LTC6905-X series of parts are designed with a factory trim option to modify the divider ratios from 1, 2, 4 to 8, 16, 32. A second trim option allows for additional master clock frequencies. For the alternate divider ratios and unlisted frequencies, contact LTC marketing.

    Protected by U.S. Patents, including 6614313, 6342817.

    Applications

    • Data Clocks for High Reliability Applications
    • High Vibration, High Acceleration Environments
    • Replacement for Fixed Crystal and Ceramic Oscillators

    LTC6905-X
    Fixed Frequency SOT-23 Oscillator
    Basic Connection Typical Distribution of Frequency Error, TA = 25°C Product Package 1
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    参考资料

    数据手册 1

    可靠性数据 1

    用户手册 2

    技术文章 1

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    工具及仿真模型

    LTspice


    LTspice中提供以下器件型号:

    • LTC6905
    • LTC6905-100
    • LTC6905-133
    • LTC6905-80
    • LTC6905-96

    OscCalc硅振荡器选型和频率合成工具

    OscCalc是一款简单、快速的工具,可根据具体应用帮助您找到合适的硅振荡器。

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    LTspice

    LTspice®是一款强大高效的免费仿真软件、原理图采集和波形观测器,为改善模拟电路的仿真提供增强功能和模型。


    评估套件

    eval board
    DC2073B-G

    LTC6905-X Silicon Oscillator Demo Board

    产品详情

    DC2073B demo board features ADI's SOT23 packaged silicon oscillators. The DC2073B demo board is available in eleven different options: DC2073B-A through DC2073B-K. These eleven options provide for the evaluation of resistor-set oscillator ICs and fixed frequency ICs.

    eval board
    DC2073B-F

    LTC6905-X Silicon Oscillator Demo Board

    产品详情

    DC2073B demo board features ADI's SOT23 packaged silicon oscillators. The DC2073B demo board is available in eleven different options: DC2073B-A through DC2073B-K. These eleven options provide for the evaluation of resistor-set oscillator ICs and fixed frequency ICs.

    eval board
    DC2073B-D

    LTC6905-X Silicon Oscillator Demo Board

    产品详情

    DC2073B demo board features ADI's SOT23 packaged silicon oscillators. The DC2073B demo board is available in eleven different options; DC2073B-A through DC2073B-K. These eleven options provide for the evaluation of resistor-set oscillator ICs and fixed frequency ICs.

    eval board
    DC2073B-E

    LTC6905-X Silicon Oscillator Demo Board

    产品详情

    DC2073B demo board features ADI's SOT23 packaged silicon oscillators. The DC2073B demo board is available in eleven different options; DC2073B-A through DC2073B-K. These eleven options provide for the evaluation of resistor-set oscillator ICs and fixed frequency ICs.

    DC2073B-G
    LTC6905-X Silicon Oscillator Demo Board
    DC2073B - Schematic
    DC2073B-F
    LTC6905-X Silicon Oscillator Demo Board
    DC2073B - Schematic
    DC2073B-D
    LTC6905-X Silicon Oscillator Demo Board
    DC2073B - Schematic
    DC2073B-E
    LTC6905-X Silicon Oscillator Demo Board
    DC2073B - Schematic

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