The MCP4021-103E/SN is a high-performance, digitally controlled potentiometer (digipot) developed by Microchip Technology. This compact, 7-bit, single-channel device is designed to offer precision electronic adjustment capabilities for a wide range of applications including calibration and adjustable power supplies, among others. The MCP4021-103E/SN is part of Microchip's MCP40XX series of digital potentiometers that provide a reliable and flexible solution for circuit adjustments and settings.

Key Features

• Resistance Options: The digipot offers a resistance value of 10 kΩ, which can be adjusted through its 7-bit resolution, providing 128 resistive steps for precise control.
• Interface: It communicates via a simple two-wire (I2C compatible) serial interface, making it easy to integrate into various microcontroller-based systems.
• Package: The MCP4021-103E/SN comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is suitable for space-constrained applications.
• Operating Voltage: This device operates over a wide voltage range of 2.7V to 5.5V, making it versatile for both 3.3V and 5V systems.
• Temperature Range: It is designed to function within an industrial temperature range of -40°C to +125°C, ensuring reliability under varying environmental conditions.
• Non-volatile Memory: The wiper settings can be stored in the non-volatile memory, allowing the device to return to the last known position after a power cycle.

Applications

The MCP4021-103E/SN is suitable for various applications that require precise digital control over resistive settings. Common uses include adjusting gain control in audio applications, setting operational parameters in industrial control systems, and calibrating sensors or signal conditioning circuits. Its robust design and ease of use make it an excellent choice for both prototype development and mass production environments.

Ordering Information

For ordering, the MCP4021-103E/SN can be sourced directly from Microchip Technology or through authorized distributors. It is available in tube or tape and reel packaging options, catering to different production requirements.