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双路、8位、40MHz、电流/电压、输出交替更新DAC

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主要特征

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主要特征

  • +2.7V to +3.3V Single-Supply Operation
  • Wide Spurious-Free Dynamic Range: 70dB at fOUT = 2.2MHz
  • Fully Differential Outputs for Each DAC
  • ±0.5% FSR Gain Mismatch Between DAC Outputs
  • Low-Current Standby or Full Shutdown Modes
  • Internal +1.2V Low-Noise Bandgap Reference
  • Small 28-Pin QSOP Package

应用/用途

  • 任意波形发生器(AWG)
  • 数字信号处理(DSP)
  • 成像
  • 信号重建

描述

The MAX5188 is a dual 8-bit, alternate-phase-update, current-output digital-to-analog converter (DAC) designed for superior performance in systems requiring analog signal reconstruction with low distortion and low-power operation. The MAX5191 provides equal specifications, with on-chip output resistors for voltage-output operation. Both devices are designed for 10pV-s glitch operation to reduce distortion and minimize unwanted spurious signal components at the output. An on-board +1.2V bandgap circuit provides a well-regulated, low-noise reference that may be disabled for external reference operation.

The MAX5188/MAX5191 are designed to provide a high level of signal integrity for the least amount of power dissipation. Both DACs operate from a +2.7V to +3.3V single supply. Additionally, these DACs have three modes of operation: normal, low-power standby, and full shutdown. A full shutdown provides the lowest possible power dissipation with a maximum shutdown current of 1µA. A fast wake-up time (0.5µs) from standby mode to full DAC operation allows for power conservation by activating the DACs only when required.

The MAX5188/MAX5191 are available in a 28-pin QSOP package and are specified for the extended (-40°C to +85°C) temperature range. For pin-compatible 10-bit versions, refer to the MAX5182/MAX5185 data sheet.

简化框图

MAX5188、MAX5191:功能框图 MAX5188、MAX5191:功能框图 Zoom icon

Technical Docs

支持和培训

在Maxim的知识库中搜索技术问题的答案

过滤搜索

Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心