MCP4261-103E/ML

Digital Potentiometers Overview

The MCP4261-103E/ML is a dual-channel, 8-bit non-volatile digital potentiometer manufactured by Microchip Technology. It features two independent resistor networks with a nominal resistance of 10 kΩ and 257 taps. The device utilizes an SPI serial interface for high-speed read/write operations to wiper registers and Data EEPROM. Key specifications include a supply voltage range of 2.7V to 5.5V, a typical supply current of 450 µA, and operation across an extended temperature range of -40°C to +125°C. It incorporates WiperLock™ technology for secure calibration settings.

Digital Potentiometers Feature Summary

• Dual 8-bit Non-Volatile Digital Potentiometers with 257 Taps
• SPI Serial Interface (10 MHz) with High-Speed Read/Write
• WiperLock™ Technology for Secure Calibration Settings
• High-Voltage Tolerant Inputs (Up to 12.5V)

Digital Potentiometers Applications

• Industrial Process Control Systems
• Portable Instrumentation
• Audio and Video Signal Processing
• Programmable Gain Amplifiers

Digital Potentiometers Procurement Notes

Verify the specific package marking and date code against the manufacturer's latest documentation. Confirm that the ordering suffix '/ML' corresponds to the required QFN package variant for your PCB layout. Ensure compliance with RoHS directives as specified in the product datasheet.

Digital Potentiometers Selection Notes

Select this component when dual-channel adjustment is required with non-volatile memory retention. The 10 kΩ resistance value suits moderate impedance applications. Verify that the system operates within the 2.7V to 5.5V supply range and that the SPI interface timing meets the 10 MHz requirement.

Digital Potentiometers Part Context

This part belongs to the MCP42XX family of digital potentiometers. It shares core architecture with single-channel variants like the MCP4161 but provides two independent resistor networks. The '103' suffix denotes the 10 kΩ resistance value, while '/ML' indicates the QFN package type.

Digital Potentiometers Replacement Considerations

Direct substitutes include other MCP4261 variants with different resistance values or packages, such as MCP4261-104E/ML (100 kΩ). Cross-family replacements like MCP4251 are volatile and lack non-volatile memory.