概览

优势和特点

  • High performance
    • High relative accuracy (INL): ±4 LSB maximum at 16 bits
    • TUE: ±0.14% of FSR maximum
    • Offset error: ±1.5 mV maximum
    • Gain error: ±0.06% of FSR maximum
    • Low drift 2.5 V voltage reference temperature coefficient:
      2 ppm/°C typical
    • 40 mA short-circuit current
  • Wide operating ranges
    • −40°C to +125°C temperature range
    • 2.7 V to 5.5 V power supply range
  • Simplified implementation
    • User selectable gain of 1 or 2 (GAIN pin)
    • 1.8 V logic compatibility
  • 50 MHz SPI with readback or daisy chain
  • 28-lead, 4 mm × 4 mm, RoHS compliant LFCSP

产品详情

The AD5679R is a low power, 16-channel, 16-bit, buffered voltage output, digital-to-analog converter (DAC) that includes a 2.5 V, 2 ppm/°C internal reference (enabled by default), and a gain select pin, resulting in a full-scale output of 2.5 V (gain = 1) or 5 V (gain = 2). The device operates from a single, 2.7 V to 5.5 V supply range and is guaranteed monotonic by design. The AD5679R is available in a 28-lead lead frame chip scale package (LFCSP) and incorporates a power-on reset (POR) circuit that ensures that the DAC outputs power up to and remains at zeros-cale until a valid write. The AD5679R contains a power-down mode that reduces the current consumption to 2 μA typical when in power-down mode.

Applications

  • Optical transceivers
  • Base station power amplifiers
  • Process control (programmable logic controller (PLC) input/output cards)
  • Industrial automation
  • Data acquisition systems

Product Highlights

  1. High channel density
    16 channels in 4 mm × 4 mm LFCSP
  2. High relative accuracy (integral nonlinearity (INL))
    ±4 LSB maximum
  3. Low drift, 2.5 V, on-chip reference

产品生命周期 icon-recommended 推荐新设计使用

本产品已上市。数据手册包含所有最终性能规格和工作条件。ADI公司推荐新设计使用这些产品。

评估套件 (2)

工具及仿真模型

IBIS模型

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AD5679R 配套产品

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