MCP4651T-502E/ML Integrated Circuits (ICs)

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Data Acquisition - Digital Potentiometers

Digital potentiometers are integrated circuits that mimic the action of mechanical variable resistors. Their precise and accurate control of variable resistance is perfect for systems where variable attenuation, gain, and filtering are required. The MCP4651T-502E/ML is an example of a high precision digital potentiometer providing a 256-tap resolution.

Application Field

The MCP4651T-502E/ML is best suited for industrial, commercial and consumer applications that require variable control of a system circuit. This could include touchscreens in consumer products, variable controls for audio devices, as well as levels control for medical equipment. The MCP4651T-502E/ML is perfect for situations where there is a need to adjust a variable component in the circuit, the choice of component being driven by the need of precision, accuracy and minimal dynamic power consumption.

The Microchip MCP4651T-502E/ML is ideal for any application that requires better than one percent accuracy, including audio applications with Bluetooth, PA systems and amplifiers, industrial audio routing and mixing, security systems, as well as ADC and DAC calibration.

Working Principle

The MCP4651T-502E/ML is a high performance digital potentiometer with a 256-tap resolution and an overall resistance range of 200Ω to 5kΩ. The component has an SPI serial interface that operates over the 0-4.5V power range. The resistance value for the component is set via the SPI port. In addition, the component also has a power-on reset feature that returns the device to zero resistance when power is applied.

The MCP4651T-502E/ML has multiple operation modes, allowing for a wide variety of applications. These include non-volatile and volatile operation, digital-lock detect, and dual-level operation.

The MCP4651T-502E/ML also features on-chip ESD protection, eliminating the need for extra components. Additionally, the component offers one percent accuracy and a low typical dynamic power consumption of only 3mW.

In conclusion, the MCP4651T-502E/ML is an ideal choice for applications requiring reliable control of a system circuit, with its precise, accurate and low dynamic power consumption, making it suitable for a variety of applications.

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