MAX5405 - 双路、256抽头、低漂移、数字电位器，10引脚µMAX封装

MAX5405是Maxim美信半导体公司的一款光电产品产品，MAX5405是双路、256抽头、低漂移、数字电位器，10引脚µMAX封装，本站介绍了MAX5405的封装应用图解、特点和优点、功能等，并给出了与MAX5405相关的Maxim元器件型号供参考。

MAX5405 - 双路、256抽头、低漂移、数字电位器，10引脚µMAX封装 - 光电产品 - 业内尺寸最小的双通道数字电位器 - 美信半导体

产品概述

The MAX5403/MAX5404/MAX5405 is a family of duallinear taper digital potentiometers. Each device has one3-terminal potentiometer and one 2-terminal variableresistor (Figure 1). The MAX5403/MAX5404/MAX5405operate from +2.7V to +5.5V single-supply voltagesand use an ultra-low supply current of 0.1µA. Thesedevices also provide glitchless switching betweenresistors taps as well as a convenient power-on reset(POR) that sets the wiper to the midscale position atpower-up. The potentiometer consists of a fixed resistorwith a wiper contact that is digitally controlled through a3-wire serial interface and has 256-tap points. It performsthe same function as a discrete potentiometer orvariable resistor.

These parts are ideal for applications requiring digitallycontrolled resistors. Three resistance values are available:10kΩ (MAX5403), 50kΩ (MAX5404), and 100kΩ(MAX5405). A nominal resistor-temperature coefficientof 35ppm/°C end-to-end and 5ppm/°C ratiometric makethe MAX5403/MAX5404/MAX5405 ideal for applicationsrequiring 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 theextended 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：

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

热门应用

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

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