MAX3510

CATV上行放大器


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说明

The MAX3510 is a programmable power amplifier for use in CATV upstream applications. The device outputs up to 64dBmV (continuous wave) through a 2:1 (voltage ratio) transformer. It features variable gain controlled by a 3-wire digital serial bus. Gain control is available in 1dB steps. The device operates over a frequency range of 5MHz to 65MHz.

The MAX3510 offers a transmit-disable mode, which places the device in a high-isolation state for use between bursts in TDMA systems. In this mode the output stage is shut off, minimizing output noise. When entering and leaving transmit-disable mode, transients are kept to 7mV nominal at full gain. In addition, supply current is reduced to 25mA.

Two power-down modes are available. Software-shutdown mode permits power-down of all analog circuitry while maintaining the programmed gain setting. Shutdown mode disables all circuitry and reduces current consumption to less than 10µA.

The MAX3510 is available in a 20-pin QSOP package for the extended-industrial temperature range (-40°C to +85°C).
MAX3510:典型工作电路 MAX3510:典型工作电路 放大+

关键特性

  • Ultra-Low Power-Up/Down Transients, 7mV Typical at 59dBmV Output
  • Single +5V Supply
  • Output Level Ranges from <8dBmV to 64dBmV
  • Gain Programmable in 1dB Steps
  • Low Transmit Output Noise Floor: -47dBmV (160kHz BW)
  • Low Transmit-Disable Output Noise: -70dBmV
  • Two Power-Down Modes

应用

  • 电缆调制解调器
  • 有线电视机顶盒
  • CATV状态监视
  • 线缆电话

技术资料

设计指南 2866 将50Ω的S参数转换成75Ω的S参数
应用笔记 1945 符合DOCSIS 2.0规范的Maxim电缆上行放大器
应用笔记 587 MAX3510上行CATV放大器系统的框图

质量和环境数据

申请可靠性报告: MAX3510 
无铅封装的锡(Sn)晶须报告
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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