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Maxim产品 - MAX5442介绍

MAX5442 - +3V/+5V、串行输入、电压输出、16位DAC

MAX5442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，MAX5442是+3V/+5V、串行输入、电压输出、16位DAC，本站介绍了MAX5442的封装应用图解、特点和优点、功能等，并给出了与MAX5442相关的Maxim元器件型号供参考。

MAX5442 - +3V/+5V、串行输入、电压输出、16位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 MAX5441–MAX5444 are serial-input, voltage-output, 16-bit digital-to-analog converters (DACs) in tiny µMAX® packages, 50% smaller than comparable DACs in 8-pin SOs. They operate from low +3V (MAX5443/MAX5444) or +5V (MAX5441/MAX5442) single supplies. They provide 16-bit performance (±2 LSB INL and ±1 LSB DNL) over temperature without any adjustments. Unbuffered DAC outputs result in a low supply current of 120µA and a low offset error of 2 LSB.

The DAC output ranges from 0 to VREF. For bipolar operation, matched scaling resistors are provided in the MAX5442/MAX5444 for use with an external precision op amp (such as the MAX400), generating a ±VREF output swing.

A 16-bit serial word is used to load data into the DAC latch. The 25MHz, 3-wire serial interface is compatiblewith SPI/QSPI™/MICROWIRE®, and can interface directly with optocouplers for applications requiring isolation. A power-on reset circuit clears the DAC output to code 0 (MAX5441/MAX5443) or code 32768 (MAX5442/MAX5444) when power is initially applied.

A logic low on active-low CLR asynchronously clears the DAC output to code 0 (MAX5441/MAX5443) or code 32768 (MAX5442/MAX5444) independent of the serial interface.

The MAX5441/MAX5443 are available in 8-pin µMAX packages. The MAX5442/MAX5444 are available in 10-pin µMAX packages.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • Ultra-Small 3mm x 5mm 8-Pin µMAX Package
  • Low 120µA Supply Current
  • Fast 1µs Settling Time
  • 25MHz SPI/QSPI/MICROWIRE-Compatible Serial Interface
  • VREF Range Extends to VDD
  • +5V (MAX5441/MAX5442) or +3V (MAX5443/MAX5444) Single-Supply Operation
  • Full 16-Bit Performance Without Adjustments
  • Unbuffered Voltage Output Directly Drives 60kΩ Loads
  • Power-On Reset Circuit Clears DAC Output to Code 0 (MAX5441/MAX5443) or Code 32768 (MAX5442/MAX5444)
  • Schmitt-Trigger Inputs for Direct Optocoupler Interface
  • Asynchronous Active-Low CLR
    • 热门应用
  • 自动测试设备(ATE)
  • 数据采集
  • 高分辨率失调与增益调节
  • 工业过程控制
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