MAX3875A

2.5Gbps、低功耗、+3.3V时钟恢复与数据再定时IC

低噪接收2.5Gbps信号的低功耗方案


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说明

The MAX3875A is a compact, low-power clock recovery and data retiming IC for 2.488Gbps SDH/SONET applications. The fully integrated phase-locked loop recovers a synchronous clock signal from the serial NRZ data input, which is retimed by the recovered clock. Differential PECL-compatible outputs are provided for both clock and data signals, and an additional 2.488Gbps serial input is available for system loopback diagnostic testing. The device also includes a TTL-compatible loss-of-lock (LOL-bar) monitor.

The MAX3875A is designed for both section-regenerator and terminal-receiver applications in OC-48/STM-16 transmission systems. Its jitter performance exceeds all of the SONET/SDH specifications.

This device operates from a single +3.3V to +5.0V supply over a -40°C to +85°C temperature range. The typical power consumption is only 400mW with a +3.3V supply. It is available in a 32-pin TQFP package, as well as in die form.

关键特性

  • Exceeds ANSI, ITU, and Bellcore SONET/SDH Regenerator Specifications
  • 400mW Power Dissipation (at +3.3V)
  • Clock Jitter Generation: 0.003UIRMS
  • Single +3.3V or +5V Power Supply
  • Fully Integrated Clock Recovery and Data Retiming
  • Additional High-Speed Input Facilitates System Loopback Diagnostic Testing
  • Tolerates >2000 Consecutive Identical Digits
  • Loss-of-Lock Indicator
  • Differential PECL-Compatible Data and Clock Outputs

应用

  • 2.488Gbps ATM接收器
  • 上/下路复用器
  • 数字交叉连接
  • 数字视频传输
  • SDH/SONET接收器与再生器
  • SDH/SONET测试设备
申请可靠性报告: MAX3875A 
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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