Microchip Technology

MCP42100-E/SL  

Digital Potentiometers

MCP42100-E/SL Description

The MCP42100-E/SL is a high-performance digital potentiometer designed by Microchip Technology, offering precise control and flexibility in a compact 14SOIC package. This device is part of the Data Acquisition ICs category and is ideal for applications requiring adjustable resistance with digital control. The MCP42100-E/SL features a 100kΩ resistance with a typical temperature coefficient of 800ppm/°C, ensuring stable performance across varying temperatures. It supports a supply voltage range of 2.7V to 5.5V, making it suitable for a wide range of power supply configurations.

The MCP42100-E/SL includes 256 taps, providing fine granularity for resistance adjustment. Its memory type is volatile, meaning it requires a continuous power supply to maintain settings. The device is equipped with a cascade pin, a unique feature that allows multiple potentiometers to be connected in series, expanding the range of resistance values and enhancing the flexibility of the system. The wiper resistance is typically 175Ω, contributing to the overall accuracy and reliability of the device.

MCP42100-E/SL Features

• Configuration: Potentiometer
• Resistance: 100kΩ
• Number of Taps: 256
• Memory Type: Volatile
• Voltage - Supply: 2.7V to 5.5V
• Temperature Coefficient: 800ppm/°C
• Tolerance: ±30%
• Features: Cascade Pin
• Interface: SPI
• Taper: Linear
• Resistance - Wiper (Typ): 175Ω
• Number of Circuits: 2
• Package: Tube
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• HTSUS: 8542.39.0001
• ECCN: EAR99

The MCP42100-E/SL stands out with its cascade pin feature, which allows for the cascading of multiple potentiometers to achieve a wider range of resistance values. This capability is particularly advantageous in applications where a broad resistance range is required without the need for additional components. The SPI interface ensures seamless integration with microcontrollers and other digital systems, facilitating easy control and adjustment of resistance values.

MCP42100-E/SL Applications

The MCP42100-E/SL is well-suited for a variety of applications, including:

• Audio Control: Adjusting volume levels in audio equipment with precise digital control.
• Voltage Control: Regulating voltage levels in power supplies and other electronic circuits.
• Sensor Calibration: Fine-tuning sensor outputs in industrial and automotive applications.
• Medical Devices: Controlling resistance in medical equipment for precise measurements and adjustments.
• Consumer Electronics: Enhancing user experience by providing adjustable resistance in various consumer devices.

The device's linear taper ensures consistent resistance changes, making it ideal for applications where smooth and predictable adjustments are necessary. The 256 taps provide a high level of granularity, allowing for precise control over resistance values. The MCP42100-E/SL's compact surface-mount package and 14SOIC form factor make it suitable for space-constrained designs.

Conclusion of MCP42100-E/SL

The MCP42100-E/SL from Microchip Technology is a versatile and high-performance digital potentiometer designed to meet the needs of modern electronics applications. Its unique cascade pin feature, combined with a wide resistance range and precise control, makes it an excellent choice for applications requiring adjustable resistance. The device's robust performance, compact design, and compliance with industry standards such as REACH and RoHS3, further enhance its appeal. Whether used in audio equipment, voltage control systems, or medical devices, the MCP42100-E/SL offers reliable performance and ease of integration, making it a valuable component for engineers and designers in the electronics industry.

MCP42100-E/SL Documents

Download datasheets and manufacturer documentation for MCP42100-E/SL

PCN Assembly/Origin :

Bond Wire 05/Jun/2017      

Datasheets :

MCP41zzz, MCP42zzz      

PCN Packaging :

MBB/Label Chgs 16/Nov/2018       Packing Changes 10/Oct/2016      

Manuals :

Development Tools Catalog      

Design Resources :

MCP42100 Development Tool Selector      

PCN Design/Specification :

Copper Bond Wire 5/Nov/2015       Copper Bond Wire 09/Mar/2015      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH