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AD9838BCPZ-RL7
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AD9838BCPZ-RL7

  • 所属类别：高速/宽带编解码器和模拟前端High-speed logic
  • 产品名称：11 mW功耗、2.3 V至5.5 V的完整DDS
  • 厂商：Analog Devices
  • 生产批号：15+
  • 封装：20 ld LFCSP
  • 库存状态：有库存
  • 库存量：8760
  • 最低订购量：1
  • 详细资料：点击查找AD9838BCPZ-RL7的pdf资料
  • 点击询价
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  • Product Introduction

Advantages and features:

  • 2.3 V至5.5 V电源供电
  • MCLK速率：16 MHz（B级），5 MHz（A级）
  • 输出频率高达8 MHz
  • 正弦波/三角波/方波输出
  • 片上集成比较器


  • 3线SPI接口
  • 扩展温度范围：−40°C至+125°C
  • 关断选项
  • 当供电电压为2.3 V时，功耗为11 mW
  • 20引脚LFCSP封装
  • 产品详情

    AD9838是一款低功耗DDS器件，能够产生高性能正弦波和三角波输出。其片内还集成一个Comparator，支持产生方波以用于时钟发生。当供电电压为2.3 V时，其功耗仅为11 mW，非常适合对功耗敏感的应用。

    AD9838提供相位调制和频率调制功能。频率寄存器为28位；时钟速率为16 MHz时，可以实现0.06 Hz的分辨率；而时钟速率为5 MHz时，则可以实现0.02 Hz的分辨率。配置频率和相位调制的方法是通过串行接口加载寄存器，然后通过软件或FSELECT/PSELECT引脚切换寄存器。

    AD9838通过一个3线串行接口写入数据。该串行接口能够以最高40 MHz的时钟速率工作，并且与DSP和微控制器标准兼容。

    该器件采用2.3 V至5.5 V电源供电。模拟和数字部分彼此独立，可以采用不同的电源供电；例如，AVDD可以是5 V，而DVDD可以是3 V。

    AD9838具有关断引脚(SLEEP)，支持从外部控制关断模式。器件中不用的部分可以关断，以将功耗降至最低。例如，在产生时钟输出时，可以关断DAC。

    AD9838采用20引脚LFCSP_WQ封装。

    应用
    - 频率激励/波形发生
    - 频率相位调谐和调制
    - 低功耗RF/通信系统
    - 液体和气流测量 
    - 传感器应用：接近度、运动和缺陷检测 
    - 测试与医疗设备


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AD9838BCPZ-RL7 Analog Devices 15+ 20 ld LFCSP 11 mW power consumption, full DDS from 2.3 V to 5.5 V
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