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Maxim产品 - MAX5174介绍

MAX5174 - 低功耗、串行、12位DAC，电压输出

MAX5174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，MAX5174是低功耗、串行、12位DAC，电压输出，本站介绍了MAX5174的封装应用图解、特点和优点、功能等，并给出了与MAX5174相关的Maxim元器件型号供参考。

MAX5174 - 低功耗、串行、12位DAC，电压输出 - 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 MAX5174/MAX5176 low-power, serial, voltage-output, 12-bit digital-to-analog converters (DACs) feature a precision output amplifier in a space-saving 16-pin QSOP package. The MAX5174 operates from a single +5V supply, and the MAX5176 operates from a single +3V supply. Both devices draw only 280µA of supply current, which reduces to 1µA in shutdown. In addition, the programmable power-up reset feature allows for a user-selectable output voltage state of either 0 or midscale.

The 3-wire, digital, serial interface is compatible with SPI™/QSPI™, and MICROWIRE™ standards. An input register followed by a DAC register provides a double-buffered input, allowing the input and DAC registers to be updated independently or simultaneously with a 16-bit serial word. Additional features include software and hardware shutdown, shutdown lockout, a hardware clear pin, and a reference input capable of accepting DC and offset AC signals. These devices provide a programmable digital output pin for added functionality and a serial-data output pin for daisy-chaining. All logic inputs are TTL/CMOS compatible and are internally buffered with Schmitt triggers to allow direct interfacing to optocouplers.

The MAX5174/MAX5176 incorporate a proprietary on-chip circuit that keeps the output voltage virtually "glitch free," limiting the glitches to a few millivolts during power-up.Both devices are available in 16-pin QSOP packages and are specified for the extended (-40°C to +85°C) temperature range. The MAX5170/MAX5172 are pin-compatible 14-bit upgrades to the MAX5174/MAX5176. For 100% pin-compatible DACs with internal reference, see the 13-bit MAX5130/MAX5131 and the 12-bit MAX5120/MAX5121 data sheets.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • ±1 LSB INL
  • 1µA Shutdown Current
  • "Glitch Free" Output Voltage at Power-Up
  • Single-Supply Operation
  • +5V (MAX5174)
  • +3V (MAX5176)
  • Full-Scale Output Range
  • +2.048V (MAX5176, VREF = +1.25V)
  • +4.096V (MAX5174, VREF = +2.5V )
  • Rail-to-Rail Output Amplifier
  • Adjustable Output Offset
  • Low THD (-80dB) in Multiplying Operation
  • SPI/QSPI/MICROWIRE-Compatible 3-Wire Serial Interface
  • Programmable Shutdown Mode and Power-Up Reset
  • Buffered Output Capable of Driving 5kΩ || 100pF Loads
  • User-Programmable Digital Output Pin Allows Serial Control of External Components
  • 14-Bit Upgrades Available (MAX5170/MAX5172)
    • 热门应用
  • µP控制系统
  • 自动测试设备(ATE)
  • 数字增益与失调控制
  • 工业过程控制
  • 运动控制
  • 远端工业控制
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