回到顶部

双路、256抽头、低漂移、数字电位器,10引脚µMAX封装

业内尺寸最小的双通道数字电位器

产品详情

主要特征

Parametric specs for Digital Potentiometers
Steps 256
# Potentiometers 2
Control Interface 3-Wire Serial SPI
Taper Linear
Wiper Memory Volatile
REND-TO-END (kΩ) 100
Res. Tol. (%) 25
Temp. Coeff. (ppm/°C) (typ) 35
Wiper Resistance (Ω) (typ) 275
ICC @5V (µA) (max) 5
Package/Pins UMAX/10
Budgetary
Price (See Notes)
2.86
缩小

简化框图

Technical Docs

支持和培训

在Maxim的知识库中搜索技术问题的答案

过滤搜索

Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心

参量

Parametric specs for Digital Potentiometers
Steps 256
# Potentiometers 2
Control Interface 3-Wire Serial SPI
Taper Linear
Wiper Memory Volatile
REND-TO-END (kΩ) 100
Res. Tol. (%) 25
Temp. Coeff. (ppm/°C) (typ) 35
Wiper Resistance (Ω) (typ) 275
ICC @5V (µA) (max) 5
Package/Pins UMAX/10
Budgetary
Price (See Notes)
2.86

主要特征

  • 10-Pin µMAX Small Footprint Package
  • 256-Tap Positions
  • Ultra Low 0.1µA Supply Current
  • +2.7V to +5.5V Single-Supply Operation
  • Low End-To-End Temperature Coefficient: 35ppm/°C
  • Low Ratiometric Temperature Coefficient: 5ppm/°C
  • Power-On Reset: Wiper Goes to Midscale (Position 128)
  • Glitchless Switching Between Resistor Taps
  • 3-Wire SPI™-Interface Compatible
  • 10kΩ/50kΩ/100kΩ Resistor Values

应用/用途

  • 可调节电压基准
  • 阻抗匹配
  • LCD屏调节
  • 低失调可编程增益放大器(PGA)
  • 替代机械电位器
  • 可编程滤波器、延时、时间常数
  • 音量控制

描述

The MAX5403/MAX5404/MAX5405 is a family of dual linear taper digital potentiometers. Each device has one 3-terminal potentiometer and one 2-terminal variable resistor (Figure 1). The MAX5403/MAX5404/MAX5405 operate from +2.7V to +5.5V single-supply voltages and use an ultra-low supply current of 0.1µA. These devices also provide glitchless switching between resistors taps as well as a convenient power-on reset (POR) that sets the wiper to the midscale position at power-up. The potentiometer consists of a fixed resistor with a wiper contact that is digitally controlled through a 3-wire serial interface and has 256-tap points. It performs the same function as a discrete potentiometer or variable resistor.

These parts are ideal for applications requiring digitally controlled resistors. Three resistance values are available: 10kΩ (MAX5403), 50kΩ (MAX5404), and 100kΩ (MAX5405). A nominal resistor-temperature coefficient of 35ppm/°C end-to-end and 5ppm/°C ratiometric make the MAX5403/MAX5404/MAX5405 ideal for applications requiring low temperature-coefficient variable resistors, such as adjustable-gain circuit configurations.

The MAX5403/MAX5404/MAX5405 are available in a 10-pin µMAX® package. Each device is guaranteed over the extended industrial temperature range (-40°C to +85°C).

简化框图

MAX5403、MAX5404、MAX5405:功能框图 MAX5403、MAX5404、MAX5405:功能框图 Zoom icon

Technical Docs

支持和培训

在Maxim的知识库中搜索技术问题的答案

过滤搜索

Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心