DS1669中文资料Dallastat数字电位器数据手册ADI规格书

描述 Description

The DS1669 Dallastat™ is a single digital rheostat or potentiometer with access to all three potentiometer terminals. The potentiometer has 64 wiper positions with equal or linear resistive step sizes. This device has both positive and negative 8V (max) supply inputs for maximum wiper outputs of ±7.5V. The wiper position is stored in EEPROM for power-up in a known position or to save calibration information. Control access is configurable with a single pushbutton, dual pushbutton, or digital source input.

特性 Features

• Replaces Mechanical Variable Resistors and Potentiometers
• Electronic Interface Provided for Digital as well as Manual Control
• Wide Differential Operating Range Up to ±8V
• Wiper Position Is Maintained in the Absence of Power
• Available in 8-Pin SO and 8-Pin DIP Packages
• Standard Resistance Values for Dallastat
• ~ 10kΩ (DS1669-10)
• ~ 50kΩ (DS1669-50)
• ~ 100kΩ (DS1669-100)
• Operating Temperature Range
• Extended Industrial: -40°C to +85°C

应用 Application

• 音量控制
• 移动电话及PDA
• 便携式电子
• 替代6位线性DAC功能
• 替代机械电位器

简介

DS1669属于集成电路（IC）的数字电位计。由制造生产的DS1669数字电位计数字电位器是一系列集成电路器件，可提供类似于传统机械电位器或变阻器的可调节电阻，但通过电子信号而非机械输入来进行控制。虽然这些器件的电阻可耗散的电能相对有限，但其电子控制能力有助于小型化、自动化和远程控制信号级模拟电路，而这些电路本来可能会使用机械电位器。