数字电位器及其应用

Digital potentiometers and its application

数字电位器采用数字技术实现机械电位器的功能及作用,所用材料是半导体材料,内部由集成电路构成。通讯采用串行方式,可分为边沿触发型、I2C总线型和SPI接口型。由于使用数字电位器,可以实现诸多个可编程…。

The digital potentiometers made from semiconductor material, which is consists of integrated circuits, can achieve the functions and actions of mechanical potendometers with digital technology. Serial-interface is adopted for communications, up/down interface, I^2C-interface and SPI-interface. Using digital potentiometer s, Programmable applications are realized.