MCP4232-104E/UN - Dual 7-Bit Digital Potentiometer

The MCP4232-104E/UN is a high-performance, dual-channel digital potentiometer integrated circuit designed by Microchip Technology. This device offers a versatile solution for applications requiring precise resistance tuning controlled by digital signals. The MCP4232-104E/UN is part of Microchip's MCP42XX series and is widely used in various electronic applications such as adjustable power supplies, LCD screen calibration, and audio signal conditioning.

Key Features:

• Resistance Options: The MCP4232 comes with two independently programmable potentiometers, each with a resistance value of 100kΩ.
• Resolution: Each potentiometer channel has a 7-bit (128 steps) resolution, providing fine adjustment capabilities for the desired application.
• Interface: The device supports a user-friendly SPI (Serial Peripheral Interface), enabling easy communication with most microcontrollers.
• Operating Voltage: It operates over a wide supply voltage range from 2.7V to 5.5V, making it suitable for both 3.3V and 5V systems.
• Extended Temperature Range: The MCP4232-104E/UN is designed to perform reliably in extreme conditions, with an operational temperature range from -40°C to +125°C.
• Non-Volatile Memory: It features non-volatile memory (EEPROM) to store the wiper position, ensuring the last set position is retained across power cycles.
• Packaging: The device is available in a 14-lead TSSOP (Thin Shrink Small Outline Package), offering a compact footprint for space-constrained applications.

Applications:

The MCP4232-104E/UN digital potentiometer is suitable for a wide range of applications, including:

• Automated calibration systems
• Programmable filters and oscillators
• Adjustable power supplies and voltage dividers
• Audio processing and control
• LED brightness control
• Automotive electronics

With its combination of dual-channel configuration, precision, and robustness, the MCP4232-104E/UN from Microchip Technology is an ideal choice for designers looking to implement digitally controlled resistance settings in their electronic designs.