MCP4262T-103E/UN

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A digital potentiometer, also known as a digipot is an electronically controlled variable resistor. It is used in a wide range of applications to achieve various results, and is utilized in the MCP4262T-103E/UN – a digital potentiometer model manufactured specifically for data acquisition. Used in such areas as active filters, an adjustable power supply for a power-supply system, an adjustable gain amplifier and LEDs dimmer, the MCP4262T-103E/UN is a 10kOhm, 256 tap, two-terminal medium-power CMOS device. It features a potentiometric wiper movement that is commanded by the control voltage, eliminating the need for external parts and reducing design time. It contains an on-board EEPROM to store settings even when power is removed, as well as an on-board reference voltage (VREF) to reduce component count and potential noise.

The MCP4262T-103E/UN’s primary purpose is to provide amplitude control in data acquisition and signal conditioning applications, such as those involving multiplexed sensors and programmable gain amplifiers. With adjustable wiper gain of 10B, the MCP4262T-103E/UN gives the user greater control over the span of the signal. better linearity, and improved sensor noise, allowing for more accurate signal signal measurement. The device helps to reduce component count and has the ability to withstand a continuous current of up to 5mA.

The mid-scale and end-scale resistances of the MCP4262T-103E/UN can be altered to match a desired application, while the wiper resistance can be controlled through external logic signals. It is also possible to bypass the digital potentiometer entirely and apply an externally generated voltage signal to its second terminal. The MCP4262T-103E/UN uses two different sensing techniques – resistance change and voltage change – to realize large travel distances with very low power consumption. Its dither inputs, CAN protocol controller and digital calibration techniques can be used to fine-tune the resistance changes that the MCP4262T-103E/UN can apply to its output port.

The MCP4262T-103E/UN offers a range of features that make it a great choice for data acquisition and signal conditioning applications. Its low-power CMOS technology helps to reduce power requirements, while its 10-bit resolution and 256-position multiplier provide a very wide range of resistances to choose from. Additionally, its wide operating temperature range of -20°C to +85°C allows it to cope with a variety of environmental conditions. This is valuable in any application where a data acquisition system needs to be used in an outdoor environment.

Overall, the MCP4262T-103E/UN offers a simple and reliable solution for digital potentiometer applications, with a range of features that allow it to take on a variety of data acquisition and signal conditioning challenges. Its wide resistances and responsive performance make it an ideal choice for applications with multiplexed sensors, programmable gain amplifiers, adjustable power supplies and LED dimmers.

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