MCP4013T-503E/CH

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Digital potentiometers are components used in data acquisition systems to adjust current and/or resistance levels. The MCP4013T-503E/CH is a digital potentiometer device built using a patented, BiCMOS (BiCMOS) process, which provides a high level of noise immunity and reliability compared to other digital potentiometers. With the MCP4013T-503E/CH, two channels with 10kΩ of resistance, a resolution of 8 Bits, and a ratio of 1.3V/V are achievable.

The MCP4013T-503E/CH’s main application is to adjust current and voltage levels in data acquisition circuits. Its low-temperature coefficient and wide linear resistance range of 10kΩ makes it suitable for data acquisition in harsh environments, in addition to applications like setting gain, controlling programmable gain, reading light sensors and motor drive signals. Other uses include audio and adjustable gain power amplifiers, electromechanical apparatus feedback, sigma-delta circuitry, and voltage compensation.

The working principle of the MCP4013T-503E/CH is based on the resistance-value shift of wiper using a digital code. By using this potentiometer, a resistance value is established between its two terminals, and the resistance is dispersed along the resistor path according to the number of steps set by the code sent from the MCU. Unlike similar digital potentiometer products whose resistor path is dispersed by a certain range of steps, the MCP4013T-503E/CH utilizes a logarithmic curve of resistance to achieve precision adjustment. Log scaling of the resistor path allows higher resolution adjustment at lower levels of resistance, while at higher levels of resistance the resolution is reduced.

The MCP4013T-503E/CH provides several benefits including power supply flexibility (1.8V to 5.5V), lower operating current, higher resistance range of 10KΩ with 8-bit resolution, and outputs of 0.3V to 2.7V. It is also tolerant of overvoltage conditions as well as ESD (electrostatic discharge) pulses, which can significantly damage other similar products. Additionally, the MCP4013T-503E/CH is highly reliable due to its patented BiCMOS process, providing enhanced performance compared to other digital potentiometers in today’s market.

With its advantages and potential, the MCP4013T-503E/CH is a desirable choice for data acquisition circuits requiring a digital potentiometer. It is especially suitable for applications in harsh environments due to its low-temperature coefficient and wide range of resistance. Additionally, the device’s power supply flexibility, enhanced performance, and resistance scaling allow for an optimal adjustment of current and voltage levels according to the user’s requirements.

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