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Maxim产品 - MAX5455介绍

MAX5455 - 双路、256抽头、增/减控制接口数字电位器

MAX5455是Maxim美信半导体公司的一款光电产品产品，MAX5455是双路、256抽头、增/减控制接口数字电位器，本站介绍了MAX5455的封装应用图解、特点和优点、功能等，并给出了与MAX5455相关的Maxim元器件型号供参考。

MAX5455 - 双路、256抽头、增/减控制接口数字电位器 - 光电产品 - 业内尺寸最小的256抽头、双通道数字电位器 - 美信半导体

产品概述

The MAX5450—MAX5455 are a family of dual digital potentiometers that perform the same function as a mechanical potentiometer or variable resistor. The MAX5451/MAX5453/MAX5455 have two 3-terminal potentiometers and the MAX5450/MAX5452/MAX5454 have two 2-terminal variable resistors. The MAX5450—MAX5455 operate from a +2.7V to +5.5V single-supply voltage and use an ultra-low supply current of 0.1µA. These devices consist of two fixed resistors each with 256 digitally-controlled wiper contacts. The convenient power-on reset (POR) sets the wiper to midscale position at power-up and the easy-to-use up/down interface allows glitchless switching between resistor taps. Six inputs control the 14-pin MAX5451/MAX5453/MAX5455 potentiometers. Four inputs control the 10-pin MAX5450/MAX5452/MAX5454 variable resistors.

The MAX5450—MAX5455 are ideal for applications requiring digitally-controlled resistors. Three resistance values are available: 10kΩ, 50kΩ, and 100kΩ. An end-to-end resistor temperature coefficient of 35ppm/°C and a ratiometric temperature coefficient of 5ppm/°C make the MAX5450—MAX5455 excellent choices for adjustable gain circuit requiring low-temperature drift.

The MAX5450—MAX5455 are available in 10-pin µMAX® and 14-pin TSSOP packages. Each device is guaranteed over the extended—industrial temperature range (-40°C to +85°C).

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • Small-Footprint Packages
  • 10-Pin µMAX (MAX5450/MAX5452/MAX5454)
  • 14-Pin TSSOP (MAX5451/MAX5453/MAX5455)
  • 256-Tap Positions
  • Independent Up/Down Potentiometer Controls (MAX5451/MAX5453/MAX5455)
  • Ultra-Low 0.1µA Supply Current
  • +2.7V to +5.5V Single-Supply Operation
  • Low 35ppm/°C End-to-End Temperature Coefficient
  • Power-On Reset Sets Wiper to Midscale (Position 127)
  • Glitchless Switching Between the Resistor Taps
  • 10kΩ, 50kΩ, 100kΩ Resistance Values
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  • 可编程滤波器、延时、时间常数
  • 音量控制
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