Microchip Technology

MCP4661-502E/ST  

Digital Potentiometers

MCP4661-502E/ST Description

The MCP4661-502E/ST from Microchip Technology is a dual-channel, 5kΩ digital potentiometer with 257 taps, offering precise resistance adjustment via an I2C interface. Designed for surface-mount applications, it operates over a 1.8V to 5.5V supply range, making it suitable for low-voltage and portable electronics. With a ±20% tolerance and a 150ppm/°C temperature coefficient, it ensures stable performance across varying environmental conditions. The device features 75Ω typical wiper resistance, enabling minimal signal distortion in analog circuits. Its linear taper and selectable address functionality enhance flexibility in multi-device configurations. Packaged in a 14-TSSOP tube, it is RoHS3 compliant and REACH unaffected, meeting stringent environmental standards.

MCP4661-502E/ST Features

• Dual-channel potentiometer with 257 taps for high-resolution adjustment.
• I2C interface for easy digital control and integration.
• Wide voltage range (1.8V–5.5V), ideal for battery-powered and low-power systems.
• Selectable address and mute function for enhanced system configurability.
• Low wiper resistance (75Ω typ) minimizes signal attenuation.
• Linear taper ensures uniform resistance changes.
• Industrial-grade reliability with 150ppm/°C tempco and MSL1 (unlimited) moisture sensitivity.
• RoHS3 compliant and REACH unaffected, adhering to global environmental regulations.

MCP4661-502E/ST Applications

• Audio equipment: Volume control, tone adjustment, and muting circuits.
• Industrial automation: Calibration, sensor trimming, and process control.
• Portable electronics: Battery-powered devices requiring low-voltage operation.
• Test and measurement: Precision resistance tuning in lab equipment.
• Automotive systems: Infotainment and climate control interfaces.
• IoT devices: Configurable analog signal paths in smart sensors.

Conclusion of MCP4661-502E/ST

The MCP4661-502E/ST stands out as a versatile, high-performance digital potentiometer, combining precision, low-power operation, and robust interfacing for modern electronic systems. Its dual-channel design, I2C compatibility, and industrial-grade specs make it ideal for applications demanding reliable resistance adjustment. Whether in audio, industrial, or portable devices, this IC delivers flexibility and accuracy, backed by Microchip’s proven quality and compliance with environmental standards.

MCP4661-502E/ST Documents

Download datasheets and manufacturer documentation for MCP4661-502E/ST

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