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Maxim产品 - MAX5191介绍

MAX5191 - 双路、8位、40MHz、电流/电压、输出交替更新DAC

MAX5191是Maxim美信半导体公司的一款数据转换器和采样-保持电路产品，MAX5191是双路、8位、40MHz、电流/电压、输出交替更新DAC，本站介绍了MAX5191的封装应用图解、特点和优点、功能等，并给出了与MAX5191相关的Maxim元器件型号供参考。

MAX5191 - 双路、8位、40MHz、电流/电压、输出交替更新DAC - 数据转换器和采样-保持电路 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

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

The MAX5188/MAX5191 are designed to provide a highlevel of signal integrity for the least amount of powerdissipation. Both DACs operate from a +2.7V to +3.3Vsingle supply. Additionally, these DACs have threemodes of operation: normal, low-power standby, andfull shutdown. A full shutdown provides the lowest possiblepower dissipation with a maximum shutdown currentof 1µA. A fast wake-up time (0.5µs) from standbymode to full DAC operation allows for power conservationby activating the DACs only when required.

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

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • +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
    • 热门应用
  • 任意波形发生器(AWG)
  • 数字信号处理(DSP)
  • 成像
  • 信号重建
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