Microchip Technology

MCP4661-104E/ST  

Digital Potentiometers

MCP4661-104E/ST Description

The MCP4661-104E/ST is a digital potentiometer from Microchip Technology, designed to provide precise control adjustment and of resistance in various electronic circuits. This device features a 100kΩ resistance with a tolerance of ±20%, making it suitable for applications requiring high precision and reliability. The MCP4661-104E/ST operates within a supply voltage range of 1.8V to 5.5V and is housed in a 14-TSSOP package, ensuring compatibility with surface mount technology.

The device is equipped with 257 taps, providing a high level of granularity for resistance adjustment. It features a linear taper, ensuring consistent and predictable changes in resistance as the tap position is adjusted. The MCP4661-104E/ alsoST includes a wiper resistance of 75Ω, which minimizes the impact of the wiper on the overall resistance.

MCP4661-104E/ST Features

• Configuration: Potentiometer
• Resistance: 100kΩ with ±20% tolerance
• Number of Taps: 257
• Wiper Resistance: 75Ω (typical)
• Taper: Linear
• Interface: I2C
• Supply Voltage: 1.8V to 5.5V
• Temperature Coefficient: 150ppm/°C (typical)
• Features: Mute, Selectable Address
• Package: 14-TSSOP
• Mounting Type: Surface Mount
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• Number of Circuits: 2

The MCP4661-104E/ST stands out with its mute and selectable address features, which enhance its flexibility and usability in complex systems. The I2C interface allows for easy integration with microcontrollers and other digital systems, simplifying the control and adjustment of resistance.

MCP4661-104E/ST Applications

The MCP4661-104E/ST is ideal for applications requiring precise control of resistance, such as:

• Audio Applications: Volume control, tone adjustment, and other audio signal processing tasks.
• Medical Devices: Precision control in medical instrumentation and diagnostic equipment.
• Industrial Automation: Calibration and adjustment of sensors and actuators.
• Consumer Electronics: Adjusting display brightness, contrast, and other settings.
• Telecommunications: Signal attenuation and gain control in communication systems.

The device's wide operating voltage range and low temperature coefficient make it suitable for a variety of operating conditions, ensuring stable performance across different environments.

Conclusion of MCP4661-104E/ST

The MCP4661-104E/ST from Microchip Technology is a versatile and reliable digital potentiometer, offering high precision and flexibility. Its 257 taps and linear taper provide fine control over resistance, making it suitable for applications requiring precise adjustments. The I2C interface and selectable address feature enhance its integration capabilities, while the mute function allows for seamless control in audio and other sensitive applications.

With its robust design, wide operating voltage range, and compliance with industry standards such as REACH and RoHS, the MCP4661-104E/ST is an excellent choice for engineers and designers looking to implement digital potentiometers in their projects. Its moisture sensitivity level of 1 (unlimited) ensures reliability in various environmental conditions, making it a reliable component for long-term use.

MCP4661-104E/ST Documents

Download datasheets and manufacturer documentation for MCP4661-104E/ST

PCN Assembly/Origin :

Leadframe Material 29/Sep/2017      

Datasheets :

MCP454x,456x,464x,466x      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Design Resources :

MCP4661 Development Tool Selector      

HTML Datasheet :

MCP454x,456x,464x,466x      

PCN Design/Specification :

Lead Frame Cancel 08/Feb/2017       Lead Frame 10/Jan/2017      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH