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热卖产品

完整的 14 位、3 MSPS 单片 A/D 转换器
特价: 0
$17.75 - $22.75
/ 件
|
1 件(Min. Order)
1-99 件 $22.75
100-499 件 $21.75
500-999 件 $19.75
>=1000 件 $17.75
数量
-
+
(1000 库存)
描述 常见问题 评价
描述
  • 低功耗:110 mW
  • 单 +5 V 电源
  • 积分非线性误差:2.5 LSB
  • 微分非线性误差:0.6 LSB
  • 输入参考噪声:0.36 LSB
  • 片上采样保持放大器和电压基准
  • 信噪比和失真
  • 比率:79.0 分贝
  • 无杂散动态
  • 范围:91.0 分贝
  • 超出范围指示器
  • 直接二进制输出数据
  • 44 引脚 MQFP

AD9243 是一款 3 MSPS、单电源、14 位模数转换器 (ADC)。它结合了低成本、高速 CMOS 工艺和新颖的架构,以低功耗和成本的一小部分实现现有混合实现的分辨率和速度。它是一个完整的单片 ADC,具有片上、高性能、低噪声采样保持放大器和可编程电压基准。还可以选择外部基准来满足应用的直流精度和温度漂移要求。该器件使用具有数字输出纠错逻辑的多级差分流水线架构,以保证在整个工作温度范围内不会丢失代码。

AD9243 的输入非常灵活,可以轻松连接到成像、通信、医疗和数据采集系统。真正的差分输入结构允许具有不同输入范围的单端和差分输入接口。采样保持放大器 (SHA) 同样适用于在连续通道中切换满量程电压电平的多路复用系统,以及在高达或超过奈奎斯特速率的频率下对单通道输入进行采样。此外,AD9243 在采用直接中频下变频的通信系统中表现出色,因为差分输入模式下的 SHA 可以实现出色的动态性能,远远超过其规定的 1.5 MHz 奈奎斯特频率。

单个时钟输入用于控制所有内部转换周期。数字输出数据以直接二进制输出格式呈现。超出范围 (OTR) 信号表示溢出条件,可与最高有效位一起使用来确定低溢出或高溢出。

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