The MCP4142-104E/MS is a high-performance digital potentiometer integrated circuit manufactured by Microchip Technology. This versatile device offers a reliable solution for applications requiring precise resistance tuning controlled by a digital interface. It is an ideal component for adjusting system calibration, setting functional parameters, or controlling audio signals without the need for manual potentiometer adjustments.
The MCP4142-104E/MS is part of Microchip's MCP41XX/42XX series and operates with a single-supply voltage ranging from 2.7V to 5.5V. It features a 7-bit resolution, equating to 128 wiper steps, which allows for fine adjustment of the resistance value from 0Ω to 100kΩ with a nominal resistance of 100kΩ.
This digital potentiometer comes in a compact 8-pin MSOP (Mini Small Outline Package) that is suitable for space-constrained applications. The device supports a SPI (Serial Peripheral Interface) bus, enabling easy integration with microcontrollers and other digital systems. This communication protocol allows for the daisy-chaining of multiple devices on the same bus, simplifying the design and reducing the number of required I/O pins.
The MCP4142-104E/MS also features non-volatile memory (EEPROM) to store the wiper position, ensuring that the last set resistance value is retained even after the device is powered down. This makes it particularly useful in applications where the preservation of settings is critical, such as in industrial automation systems, consumer electronics, and automotive applications.
Its robustness is further highlighted by its extended temperature range of -40°C to +125°C, allowing it to perform reliably in harsh environmental conditions. Whether it's for volume control in audio applications, adjusting LED brightness, or calibrating sensors, the MCP4142-104E/MS offers a precise and durable solution for digital resistance control.
For more information, datasheets, and support, visit Microchip Technology's official website or contact your local authorized distributor.