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Maxim产品 - MAX5258介绍

MAX5258 - +3V/+5V、低功耗、8位八通道DAC，带有满摆幅输出缓冲器

MAX5258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，MAX5258是+3V/+5V、低功耗、8位八通道DAC，带有满摆幅输出缓冲器，本站介绍了MAX5258的封装应用图解、特点和优点、功能等，并给出了与MAX5258相关的Maxim元器件型号供参考。

MAX5258 - +3V/+5V、低功耗、8位八通道DAC，带有满摆幅输出缓冲器 - 数据转换器和采样-保持电路 - 业内尺寸最小、速率最高、带缓冲输出的8通道DAC - 美信半导体

产品概述

The MAX5258/MAX5259 are +3V/+5V single-supply, digital serial-input, voltage-output, 8-bit octal digital-to-analog converters (DACs). Internal precision buffers swing rail-to-rail, and the reference input range extends from ground to the positive supply. Both the +5V (MAX5258) and the +3V (MAX5259) feature a 10µA (max) shutdown mode.

The serial interface is double buffered: a 16-bit input shift register is followed by eight 8-bit input registers and eight 8-bit DAC registers. The 16-bit serial word consists of 2 "don't care" bits, 3 address bits, 3 control bits, and 8 data bits. Both the input and DAC registers can be updated independently or simultaneously with a single software command. The asynchronous control input, active-low LDAC, provides simultaneous updating of all 8 DAC registers.

The interface is compatible with SPI™, QSPI™ (CPOL = CPHA = 0 or CPOL = CPHA = 1), and MICROWIRE™. A buffered digital data output allows daisy-chaining of serial devices.

The MAX5258/MAX5259 are available in a 16-pin QSOP package.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • Ultra-Small 16-Pin QSOP Package
  • Single +2.7V to +5.5V Supply Operation
  • Low Supply Current: 1.3mA
  • Low-Power Shutdown Mode
  • 0.24µA (MAX5259)
  • 0.45µA (MAX5258)
  • ±1LSB DNL (max)
  • ±1LSB INL (max)
  • Ground to VDD Reference Input Range
  • Output Buffer Amplifiers Swing Rail-to-Rail
  • 10MHz Serial Interface, Compatible with SPI, QSPI (CPOL = CPHA = 0 or CPOL = CPHA = 1), and MICROWIRE
  • Double-Buffered Registers for Synchronous Updating
  • Serial Data Output for Daisy-Chaining
    • 热门应用
  • 数字增益与失调控制
  • 便携式仪表
  • 可编程衰减器
  • 可编程电流源
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