描述 Description

The MCP465X devices?are dual channel,?volatile, 8-bit (257 wiper steps) digital potentiometers?with an I2C compatible interface. The MCP46XX family is available with end-to-end resistor values of 5KΩ, 10KΩ, 50kΩ and 100KΩ. These devices offer a variety of configurations simplifying design while minimizing cost, package size and pin count.

特性 Features

Dual Resistor Network
Potentiometer or Rheostat configuration options
8-bit: 256 Resistors (257 Steps)
5kΩ
10kΩ
50kΩ
100kΩ
Zero-Scale to Full-Scale Wiper operation
Low Wiper Resistance: 75Ω (typ.)
Absolute (Rheostat): 50 ppm typical(0°C to 70°C)
Ratiometric (Potentiometer): 15 ppm typical
100 kHz
400 kHz
3.4 MHz
Brown-out reset protection (1.5V typical)
Serial Interface Inactive current (2.5 uA typ.)
High-Voltage Tolerant Digital Inputs: Up to 12.5V
2.7V to 5.5V - Device Characteristics Specified
1.8V to 5.5V - Device Operation
2 MHz (typ.) for 5.0 kΩ device
Extended temperature range (-40°C to +125°C)
AEC-Q100 Grade 1 quarlified

簡介

MCP4651屬于集成電路（IC）的數字電位計。由制造生產的MCP4651數字電位計數字電位器是一系列集成電路器件，可提供類似于傳統機械電位器或變阻器的可調節(jié)電阻，但通過電子信號而非機械輸入來進行控制。雖然這些器件的電阻可耗散的電能相對有限，但其電子控制能力有助于小型化、自動化和遠程控制信號級模擬電路，而這些電路本來可能會使用機械電位器。