MCP4018数据手册集成电路（IC）的数字电位计规格书PDF

描述 Description

The MCP4017/8/9 devices are volatile, 7-bit (128 wiper steps) digital potentiometers with an I2C™Compatible interface. This family offers 5kΩ, 10kΩ, 50kΩ or 100kΩ end-to-end resistance values and is available in miniature 5 or 6 lead SC-70 packaging with potentiometer or rheostat pinouts.

特性 Features

Potentiometer or Rheostat configuration options
127 Resistors (128 Steps)
Zero Scale to Full Scale Wiper operation
RAB Resistances: 5kΩ, 10kΩ, 50kΩ or 100kΩ
Low Wiper Resistance: 100Ω (typical)
Absolute (Rheostat): 50 ppm typical(0°C to 70°C)
Ratiometric (Potentiometer): 15 ppm typical
Simple I2C™Compatible Protocol with read & write commands
Brown-out reset protection (1.5V typical)
Power-on Default Wiper Setting (Mid-scale)
Low-Power Operation: 2.5 µA Static Current (typ)
2.7V to 5.5V - Device Characteristics Specified
1.8V to 5.5V - Device Operation

简介

MCP4018属于集成电路（IC）的数字电位计。由制造生产的MCP4018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。