Manufacturer Part Number
MCP4642-104E/UN
Manufacturer
Microchip Technology
Introduction
The MCP4642-104E/UN is a digital potentiometer integrated circuit designed for data acquisition and control applications. It offers precise resistance tuning via a digital interface.
Product Features and Performance
Dual-channel configuration facilitating flexible design architectures.
129 available tap positions for finely tuned adjustments.
Operates on a wide voltage range of 1.8V ~ 5.5V, adaptable to various power supplies.
Selectable addressing feature enables multiple devices on the same bus.
Non-volatile memory retains settings after power-off, enhancing reliability.
Product Advantages
Linear taper provides predictable resistance changes.
I2C interface simplifies connectivity and allows easy integration into existing designs.
High resistance value of 100k Ohms enables usage in various circuits.
Operates across a broad temperature range of -40°C to 125°C, suitable for demanding environments.
Key Technical Parameters
Taper: Linear
Number of Circuits: 2
Resistance: 100k Ohms
Interface: I2C
Voltage Supply: 1.8V ~ 5.5V
Tolerance: ±20%
Temperature Coefficient: 150ppm/°C
Mounting Type: Surface Mount
Quality and Safety Features
Rigorous quality testing ensures stability and durability.
Complies with industrial standards for safety and performance.
Compatibility
I2C interface ensures compatibility with a wide range of microcontrollers and processors.
Surface mount package fits standard PCB layouts.
Application Areas
Automated test equipment
Consumer electronics volume control
Industrial process control
Digital calibration and adjustment systems
Product Lifecycle
Currently in the Active phase, not nearing discontinuation.
Ongoing support and availability from Microchip Technology.
Several Key Reasons to Choose This Product
Direct digital control allows for precise and programmable resistance settings.
Dual-channel design offers increased flexibility for complex applications.
Non-volatile memory feature reduces startup preparation time and enhances user experience.
Robust design ensures reliable operation in varying environmental conditions.
Microchip Technology’s support and continuous product availability provide long-term application viability.