MCP4461T-104E/ST

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Data Acquisition - Digital Potentiometers are among the critical hardware components in various low power communication systems. As a long term and reliable solution, the MCP4461T-104E/ST is an integrated, low power, multi-channel digital potentiometer with a potentiometer wiper register and a digitally controllable 64-tap points and 10k-ohm resistance value, which is able to support various applications.

MCP4461T-104E/ST is a high-performance and cost effective digital potentiometer, adopting low power CMOS technology and offering a wide range of features and benefits for a variety of systems. It provides a programmable resistance between two terminal points in ratio to a reference voltage, eliminating thermal drifts due to environmental changes and enabling consistent potentiometer wiper action. This device provides a power consumption as low as 3.3 V, and takes up only limited board space.

The MCP4461T-104E/ST possesses a wide range of applications, including signal routing in mobile communication systems, gain and level control in audio circuitry, digital potentiometer gain adjustment in switches and amplifiers, calibration and effective signal control in measurement equipment and flexible signal isolation in industrial automation. It is also often used to control the signal strength of an antenna, audio or video signals and various other signals.

In order to facilitate its various applications, MCP4461T-104E/ST offers various configurations and modes such as 6- or 8-bit programmability, its independent wiper status bit, and different linearity voltage dividers. It is designed to create a linearly varying ratio in continuous, non-overlapping, and linear wiper movement for operational control of the device.

MCP4461T-104E/ST consists of 8 I/O pins, including an 8-bit data inputs/outputs, a write enable input, a latchable CS, a data register write, an interrupt output, a clock input and an onboard voltage reference. By providing a wide variety of connection and control options, this device is an ideal solution for electronic systems requiring precise, low-power interconnect management and signal control.

In terms of its working principle, MCP4461T-104E/ST operates by taking advantage of the 8-bit data registers and various programming modes to control the potentiometer wiper position, while a latchable CS allows communication with external sources. To perform operation, the clocks input generates a sequence of 8-bit data on the I/O pins, following the intake of the write enable and data register write. The device then processes the data signals in accordance with its programming options, while the internal voltage reference serves as the reference source. Afterwards, the potentiometer wiper position is determined by the internal divider adjusting the gain and level of the signals, whilst the interrupt output pin denotes the status of the device.

Overall, MCP4461T-104E/ST is an integrated and versatile digital potentiometer for signal control, providing great cost and power efficiency for a variety of applications. Thanks to its rich features, it is highly applicable for signal routing, audio and video signal control, antenna control, and many more.

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