Microchip Technology

MCP40D18T-104E/LT  

Digital Potentiometers

MCP40D18T-104E/LT Description

The MCP40D18T-104E/LT is a digital potentiometer from Microchip Technology, designed to provide a versatile and reliable solution for applications requiring adjustable resistance. This device features a 100kΩ rheostat configuration with 128 taps, allowing for precise control over resistance values. The MCP40D18T-104E/LT operates within a supply voltage range of 1.8V to 5.5V, making it suitable for a wide range of electronic systems. The device employs a linear taper, ensuring consistent resistance changes across the entire adjustment range. Communication with the MCP40D18T-104E/LT is facilitated through an I2C interface, providing easy integration into modern digital circuits.

MCP40D18T-104E/LT Features

• Configuration: Rheostat
• Resistance: 100kΩ with a tolerance of ±20%
• Number of Taps: 128, offering fine granularity in resistance adjustment
• Temperature Coefficient: 150ppm/°C, ensuring stable performance over a wide temperature range
• Memory Type: Volatile, which means the device retains its settings as long as power is applied
• Supply Voltage: 1.8V to 5.5V, providing flexibility in power supply options
• Interface: I2C, enabling straightforward communication with microcontrollers and other digital systems
• Package: Tape & Reel (TR), suitable for surface mount applications
• Moisture Sensitivity Level: MSL 3 (168 Hours), indicating robustness in various environmental conditions
• Compliance: ROHS3 Compliant and REACH Unaffected, ensuring environmental and regulatory standards are met

MCP40D18T-104E/LT Applications

The MCP40D18T-104E/LT is ideal for applications requiring precise control of resistance, such as:

• Audio Systems: Volume control and tone adjustment
• Signal Conditioning: Adjusting gain and offset in analog circuits
• Power Management: Controlling voltage levels in power supplies
• Sensor Calibration: Fine-tuning sensor outputs for accurate measurements
• Medical Devices: Adjusting parameters in medical equipment for precise operation

Conclusion of MCP40D18T-104E/LT

The MCP40D18T-104E/LT digital potentiometer from Microchip Technology offers a robust and versatile solution for applications requiring adjustable resistance. With its 100kΩ rheostat configuration, 128 taps, and I2C interface, this device provides precise control and easy integration into digital systems. The wide supply voltage range, linear taper, and compliance with environmental and regulatory standards make it a reliable choice for various electronic applications. Whether used in audio systems, signal conditioning, or medical devices, the MCP40D18T-104E/LT ensures stable performance and precise resistance control, making it a standout option in the digital potentiometer market.

MCP40D18T-104E/LT Documents

Download datasheets and manufacturer documentation for MCP40D18T-104E/LT

PCN Assembly/Origin :

Qualification Report 17/Dec/2013      

Datasheets :

MCP40D17/18/19      

PCN Packaging :

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

Design Resources :

MCP40D18 Development Tool Selector      

HTML Datasheet :

MCP40D17/18/19      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH