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Maxim产品 - MAX534介绍

MAX534 - +5V、低功耗、8位四路DAC，带有满摆幅输出缓冲器

MAX534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，MAX534是+5V、低功耗、8位四路DAC，带有满摆幅输出缓冲器，本站介绍了MAX534的封装应用图解、特点和优点、功能等，并给出了与MAX534相关的Maxim元器件型号供参考。

MAX534 - +5V、低功耗、8位四路DAC，带有满摆幅输出缓冲器 - 数据转换器和采样-保持电路 - 四通道、串行、电压输出DAC，QSOP封装 - 美信半导体

产品概述

The MAX534 serial-input, voltage-output, 8-bit quad digital-to-analog converter (DAC) operates from a single +4.5V to +5.5V supply. Internal precision buffers swing rail to rail, and the reference input range includes both ground and the positive rail. The MAX534 features a 2.5µA shutdown mode.

The serial interface is double buffered: a 12-bit input shift register is followed by four 8-bit buffer registers and four 8-bit DAC registers. The 12-bit serial word consists of eight data bits and four control bits (for DAC selection and special programming commands). Both the input and DAC registers can be updated independently or simultaneously with a single software command. Two additional asynchronous control pins, active-low LDAC and active-low CLR, provide simultaneous updating or clearing of the input and DAC registers.

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

In addition to 16-pin DIP and CERDIP packages, the MAX534 is available in a 16-pin QSOP that occupies the same area as an 8-pin SO.

For operation guaranteed to 2.7V, see the MAX533 data sheet.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • +4.5V to +5.5V Single-Supply Operation
  • Ultra-Low Supply Current:
  • 0.8mA while Operating
  • 2.5µA in Shutdown Mode
  • Ultra-Small 16-Pin QSOP Package
  • 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
  • Power-On Reset Clears Serial Interface and Sets All Registers to Zero
  • Software Shutdown
  • Software-Programmable Logic Output (µC I/O Extender)
  • Asynchronous Hardware Clear Resets All Internal Registers to Zero
    • 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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