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Maxim产品 - MAX5157介绍

MAX5157 - 低功耗、双路、12位、电压输出DAC，带有可配置输出

MAX5157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，MAX5157是低功耗、双路、12位、电压输出DAC，带有可配置输出，本站介绍了MAX5157的封装应用图解、特点和优点、功能等，并给出了与MAX5157相关的Maxim元器件型号供参考。

MAX5157 - 低功耗、双路、12位、电压输出DAC，带有可配置输出 - 数据转换器和采样-保持电路 - 双路、串行、电压输出DAC，采用QSOP封装 - 美信半导体

产品概述

The MAX5156/MAX5157 low-power, serial, voltage-output, dual 12-bit digital-to-analog converters (DACs) consume only 500µA from a single +5V (MAX5156) or +3V (MAX5157) supply. These devices feature Rail-to-Rail output swing and are available in space-saving 16-pin QSOP and DIP packages. Access to the inverting input allows for specific gain configurations, remote sensing, and high output current capability, making these devices ideally suited for industrial process controls. These devices are also well suited for digitally programmable (4-20mA) current loops.

The 3-wire serial interface is SPI™/QSPI™ and MICROWIRE™ compatible. Each DAC has a double-buffered input organized as an input register followed by a DAC register, which allows the input and DAC registers to be updated independently or simultaneously. Additional features include a programmable shutdown (2µA), hardware-shutdown lockout, a separate voltage reference for each DAC, power-on reset, and an active-low clear input (active-low CL) that resets all registers and DACs to zero. The MAX5156/MAX5157 provide a programmable logic output pin for added functionality, and a serial-data output pin for daisy chaining.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • 12-Bit Dual DAC with Configurable Output Amplifier
  • Single-Supply Operation:
  • +5V (MAX5156)
  • +3V (MAX5157)
  • Rail-to-Rail Output Swing
  • Low Quiescent Current:
  • 500µA (normal operation)
  • 2µA (shutdown mode)
  • SPI/QSPI and Microwire Compatible
  • Space-Saving 16-Pin QSOP Package
  • Power-On Reset Clears DAC Outputs to Zero
    • 热门应用
  • 数字增益与失调控制
  • 数字可编程4mA至20mA电流环
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