Microchip Technology

MCP40D18T-502E/LT  

Digital Potentiometers

MCP40D18T-502E/LT Description

The MCP40D18T-502E/LT is a digital potentiometer designed by Microchip Technology, offering a highly versatile and reliable solution for applications requiring precise resistance control. This device features a rheostat configuration with 128 taps, providing fine-grained control over resistance values. The potentiometer operates within a supply voltage range of 1.8V to 5.5V, making it suitable for a wide range of electronic systems. It has a nominal resistance of 5kΩ with a tolerance of ±20%, ensuring stable performance across different operating conditions.

This digital potentiometer utilizes a linear taper, which means the resistance changes proportionally with the tap position, facilitating smooth and predictable adjustments. The device is equipped with volatile memory, which means it retains its settings as long as power is supplied. The MCP40D18T-502E/LT also boasts a low temperature coefficient of 150ppm/°C, ensuring minimal resistance drift over temperature variations.

The MCP40D18T-502E/LT is packaged in a surface-mount SC70-6 format, making it ideal for compact and space-constrained designs. It is available in tape and reel packaging, facilitating efficient manufacturing processes. The device is RoHS3 compliant and REACH unaffected, ensuring environmental safety and regulatory compliance. With a moisture sensitivity level (MSL) of 1 (unlimited), it is highly resistant to moisture, enhancing its reliability in various environmental conditions.

MCP40D18T-502E/LT Features

• Configuration: Rheostat
• Number of Taps: 128
• Resistance: 5kΩ ±20%
• Temperature Coefficient: 150ppm/°C
• Supply Voltage Range: 1.8V to 5.5V
• Memory Type: Volatile
• Taper: Linear
• Interface: I2C
• Package: SC70-6 Surface Mount
• Moisture Sensitivity Level: MSL 1 (Unlimited)
• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected

MCP40D18T-502E/LT Applications

The MCP40D18T-502E/LT is ideal for a variety of applications where precise resistance control is essential. Its 128 taps and linear taper make it suitable for applications requiring fine adjustments, such as:

• Audio Applications: Volume control and tone adjustment in audio equipment.
• Signal Conditioning: Adjusting gain and offset in analog signal processing circuits.
• Power Management: Controlling the resistance in power supply circuits to manage current flow.
• Sensor Calibration: Fine-tuning sensor outputs to match desired specifications.
• Medical Devices: Precision control in medical instrumentation where accuracy is critical.

Conclusion of MCP40D18T-502E/LT

The MCP40D18T-502E/LT digital potentiometer from Microchip Technology stands out for its combination of precision, versatility, and reliability. With its 128 taps, linear taper, and wide supply voltage range, it offers fine-grained control and adaptability to various electronic systems. The device's low temperature coefficient and RoHS3 compliance make it a robust and environmentally friendly choice. Its surface-mount SC70-6 package ensures it fits seamlessly into compact designs, while its I2C interface facilitates easy integration into modern electronic circuits. Whether used in audio equipment, power management systems, or medical devices, the MCP40D18T-502E/LT provides a high-performance solution for precise resistance control.

MCP40D18T-502E/LT Documents

Download datasheets and manufacturer documentation for MCP40D18T-502E/LT

PCN Assembly/Origin :

SC70-6L Qualification 22/Aug/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