Analog Devices Inc. AD9250 双通道14位模数转换器

Analog Devices AD9250 双通道14位模数转换器(ADC)，最高采样速率250MSPS，旨在为低成本、小尺寸、宽带宽、多功能通信应用领域提供支持。可配置JESD204B输出接口每个通道的最高速率能够达到5Gbps。ADC内核采用多级、差分廉线结构，并集成了输出纠错逻辑。ADC内核具有宽带宽输入，支持用户可选的各种输入范围。集成基准电压源可简化设计。占空比稳定器可用来补偿ADC时钟占空比的波动，使转换器保持出色的性能。JESD204B高速串行接口可降低电路板布线要求，并减少接收器件所需的引脚数量。

特性

  • JESD204B Subclass 0 or Subclass 1 coded serial digital outputs
  • Signal-to-noise ratio (SNR) = 70.6dBFS at 185MHz AIN and 250MSPS
  • Spurious-free dynamic range (SFDR) = 88dBc at 185MHz AIN and 250MSPS
  • Total power consumption: 711mW at 250 MSPS
  • 1.8V supply voltages
  • Integer 1-to-8 input clock divider
  • Sample rates of up to 250MSPS
  • IF sampling frequencies of up to 400MHz
  • Internal analog-to-digital converter (ADC) voltage reference

应用

  • Diversity radio systems
  • Multimode digital receivers (3G)
  • TD-SCDMA, WiMax, WCDMA, CDMA2000, GSM, EDGE, LTE
  • DOCSIS 3.0 CMTS upstream receive paths
  • HFC digital reverse path receivers
  • I/Q demodulation systems
  • Smart antenna systems
  • Electronic test and measurement equipment
  • RADAR receivers
  • COMSEC radio architectures
  • IED detection/jamming systems
  • General-purpose software radios
  • Broadband data applications

Block Diagram

Analog Devices Inc. AD9250 双通道14位模数转换器
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