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Analog Devices / Maxim Integrated Maxim MAX11905单通道模数转换器(ADC)

MaximMAX11905单通道模数转换器(ADC)是20位、1.6MSPS、单通道、全差分SAR ADC，带有内部基准缓冲器。MAX11905具有优异的静态和动态性能以及业内最低、完全随吞吐量变化的功耗。器件具有单极差分 ±VREF 输入范围。电源包括一个3.3V用于基准缓冲器的电源、一个1.8V模拟电源、一个1.8V数字电源以及一个1.5V至3.6V数字接口电源。该ADC可达到98.3dB的SNR和-123dB的THD，确保20位分辨率无丢失编码以及6 LSB的INL（最高）。MAX11905使用SPI兼容串口进行数据通信。

特性

  • 20-Bit resolution with no missing codes
  • 1.6Msps Throughput with no pipeline delay
  • 9mW at 1.6Msps, Ultra-low power consumption
  • ±6 LSB INL, ~5ppm Over temperature
  • ±1 LSB DNL Maximum at 20 Bit
  • 98.3dB SNR at fIN = 10kHz
  • 98.1dB SINAD at fIN = 10kHz
  • -123dB THD at fIN = 10kHz
  • ±VREF Unipolar differential analog input range
  • VREF = 2.5V to 3.6V
  • Integrated reference buffers
  • 1.8V Analog and digital core supply
  • 3.3V REFVDD Reference buffer supply
  • 1.5V to 3.6V Digital interface supply
  • Serial Interface SPI-/QSPI™-/MICROWIRE®-/DSP-cCompatible
  • -40°C to +85°C Operating temperature range
  • 20-Pin, 4mm × 4mm, TQFN package

应用

  • Automatic test equipment
  • Battery-powered equipment
  • Data acquisition systems
  • Medical instrumentation
  • Process control and industrial automation
  • Telecommunications
  • Test and measurement

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发布日期: 2014-04-17 | 更新日期: 2023-04-14