MCP4162T-104E/MF Integrated Circuits (ICs)

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A digital potentiometer, also known as an electronic variable resistor, is an electromechanical device used to control the output voltage of a circuit. The MCP4162T-104E/MF leaded digital potentiometer is an integrated, programmable, non-volatile memory device that can be used as a variable resistor. It contains a memory array of 256 wiper steps, with a voltage resolution of approximately 28 mV per step, resulting in nearly 7 V of total output range.

The MCP4162T-104E/MF’s wide operating temperature range and small packaging makes it a superior choice for high temperature and tight space applications. With an input voltage range of 2.7 to 5.5V, the MCP4162T-104E/MF can operate at up to 85°C, making it well suited for harsh industrial and automotive applications. The resistor elements and wiper are organized as a non-volatile array of 256 programmable wiper steps, automatically restoring to their last programmed locations when power is removed.

The working principle of the MCP4162T-104E/MF is fairly simple. It operates using the ratiometric principle, which means that the output voltage is proportional to the supply voltage. When the digital potentiometer is instructed via digital communication buses (such as I2C and SPI) the on-board wiper is set to a corresponding wiper step, thus determining the output resistance/voltage. Each of the 256 wiper steps is capable of generating an approximately 28 mV voltage, resulting in a total of 7V output range when all 256 wiper steps are implemented.

In addition to its electronically variable resistance, the MCP4162T-104E/MF has a number of other features that make it an attractive choice for a wide range of data acquisition applications. It is designed to be used in compact, low power applications, and supports both non-volatile and volatile data storage. It also supports both SPI and I2C buses, allowing a wide range of communication protocols to be implemented. Finally, it has a wide communication speed range, ranging from 10 kHz to 10 MHz, making it suitable for a wide range of communication requirements.

In summary, the MCP4162T-104E/MF is an ideal choice for a wide range of data acquisition applications – particularly industrial and automotive applications where high temperatures and tight spaces are a factor. It is an integrated, programmable, non-volatile digital potentiometer, with wide operating temperature range, small packaging and an input voltage range of 2.7 to 5.5V. It operates using the ratiometric principle, and has 256 programmable steps, each with a resolution of approximately 28 mV. It is also designed to be used in low power applications, and supports both SPI and I2C buses. It has a wide communication speed range, making it suitable for a wide range of communication requirements.

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