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Maxim产品 - MAX548A介绍

MAX548A - +2.5V至+5.5V、低功耗、单/双路、8位、电压输出DAC，µMAX封装

MAX548A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，MAX548A是+2.5V至+5.5V、低功耗、单/双路、8位、电压输出DAC，µMAX封装，本站介绍了MAX548A的封装应用图解、特点和优点、功能等，并给出了与MAX548A相关的Maxim元器件型号供参考。

MAX548A - +2.5V至+5.5V、低功耗、单/双路、8位、电压输出DAC，µMAX封装 - 数据转换器和采样-保持电路 - 双路、串行、电压输出DAC，采用µMAX封装 - 美信半导体

产品概述

The MAX548A/MAX549A/MAX550A serial, 8-bit voltage-output digital-to-analog converters (DACs) operate from a single +2.5V to +5.5V supply. Their ±1LSB TUE specification is guaranteed over temperature. Operating current (supply current plus reference current) is typically 75µA per DAC with VDD = 2.5V. In shutdown, the DAC is disconnected from the reference, reducing current drain to less than 1µA. The MAX548A/MAX549A allow each DAC to be shut down independently.

The 10MHz, 3-wire serial interface is compatible with SPI™/QSPI™ and Microwire™ interface standards. Double-buffered inputs provide flexibility when updating the DACs; the input and DAC registers can be updated individually or simultaneously.

The MAX548A is a dual DAC with an asynchronous load input; it uses VDD as the reference input. The MAX549A is a dual DAC with an external reference input. The MAX550A is a single DAC with an external reference input and an asynchronous load input.

The MAX548A/MAX549A/MAX550A's low power consumption and small µMAX® and DIP packages make these devices ideal for portable and battery-powered applications.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • +2.5V to +5.5V Single-Supply Operation
  • ±1LSB (max) TUE
  • Power-On Reset Clears All Registers to Zero
  • Low Operating Current:
  • 150µA (MAX548A/MAX549A, VREF = +2.5V)
  • 75µA (MAX550A, VREF = +2.5V)
  • 1µA Shutdown Mode
  • 10MHz, 3-Wire Serial Interface Compatible with SPI/QSPI and Microwire
  • µMAX Package-50% Smaller than 8-Pin SO
  • Independent Shutdown of DACs (MAX548A/MAX549A)
    • 热门应用
  • 电池供电应用
  • 比较器电平设置
  • 数字增益与失调控制
  • GaAs放大器偏置控制
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