Microchip Technology

MCP4019T-503E/LT  

Digital Potentiometers

MCP4019T-503E/LT Description

The MCP4019T-503E/LT is a digital potentiometer from Microchip Technology, designed for applications requiring precise resistance control. This device features a rheostat configuration with 128 taps, providing fine granularity in resistance adjustment. The potentiometer operates within a supply voltage range of 1.8V to 5.5V, making it suitable for a wide range of power supply environments. It offers a nominal resistance of 50kΩ with a tolerance of ±20%, ensuring flexibility in various circuit designs. The temperature coefficient is rated at 150ppm/°C, ensuring stable performance across different operating temperatures.

The MCP4019T-503E/LT utilizes an I2C interface for communication, allowing for easy integration into systems that require digital control of resistance values. The device features volatile memory, meaning the resistance setting is maintained only while power is applied. This feature is advantageous for applications where dynamic resistance adjustment is required without the need for non-volatile storage.

The MCP4019T-503E/LT is packaged in a surface-mount SC70-5 package, which is ideal for compact designs and high-density PCB layouts. The device is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. The moisture sensitivity level (MSL) is rated at 1 (Unlimited), making it suitable for a variety of manufacturing environments.

MCP4019T-503E/LT Features

• Configuration: Rheostat
• Number of Taps: 128
• Resistance: 50kΩ with ±20% tolerance
• Temperature Coefficient: 150ppm/°C
• Supply Voltage Range: 1.8V to 5.5V
• Interface: I2C
• Memory Type: Volatile
• Package: SC70-5
• Mounting Type: Surface Mount
• Moisture Sensitivity Level: MSL 1 (Unlimited)
• Compliance: REACH Unaffected, RoHS3 Compliant

MCP4019T-503E/LT Applications

The MCP4019T-503E/LT is ideal for applications requiring precise and dynamic control of resistance values. Some specific use cases include:

• Audio Applications: Volume control in audio systems where precise resistance adjustment is necessary for accurate gain control.
• Sensor Calibration: Adjusting the gain or offset of sensors in various measurement systems.
• Power Management: Fine-tuning the resistance in power supply circuits to optimize efficiency and performance.
• Medical Devices: Calibration of medical instruments where precision and reliability are critical.
• Industrial Control Systems: Adjusting resistance in control loops for precise process control.

Conclusion of MCP4019T-503E/LT

The MCP4019T-503E/LT digital potentiometer from Microchip Technology offers a robust solution for applications requiring precise resistance control. Its 128 taps and rheostat configuration provide fine granularity in resistance adjustment, while the I2C interface ensures easy integration into digital systems. The device's wide supply voltage range, low temperature coefficient, and compact SC70-5 package make it suitable for a variety of applications, from audio systems to industrial control. The MCP4019T-503E/LT stands out for its flexibility, precision, and compliance with environmental regulations, making it an ideal choice for designers seeking a reliable and versatile digital potentiometer.

MCP4019T-503E/LT Documents

Download datasheets and manufacturer documentation for MCP4019T-503E/LT

PCN Assembly/Origin :

Qualification Report 17/Dec/2013      

Datasheets :

MCP4017-19      

PCN Packaging :

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

Design Resources :

MCP4019 Development Tool Selector      

HTML Datasheet :

MCP4017-19      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH