Microchip Technology

MCP45HV51-503E/ST  

Digital Potentiometers

MCP45HV51-503E/ST Description

The MCP45HV51-503E/ST from Microchip Technology is a high-voltage, digitally programmable potentiometer (digipot) designed for precision analog control in demanding applications. This single-channel, 256-tap linear taper device offers a nominal resistance of 50kΩ with a ±20% tolerance and operates across a wide voltage range (1.8V–5.5V, 10V–36V, or ±5V–18V), making it versatile for mixed-voltage systems. Its I2C interface enables easy digital adjustment, while the volatile memory ensures dynamic recalibration. Packaged in a 14-TSSOP, it is suitable for surface-mount designs in industrial, automotive, and instrumentation environments.

MCP45HV51-503E/ST Features

• High-Voltage Operation: Supports up to ±18V dual-supply or 36V single-supply, ideal for industrial and automotive systems.
• Low Wiper Resistance: 145Ω (typ) minimizes signal distortion in precision circuits.
• Selectable Address & Mute Function: Enables multi-device configurations and silent wiper adjustment.
• Wide Temperature Range: 100ppm/°C thermal stability ensures reliable performance in harsh conditions.
• RoHS3 & REACH Compliant: Meets environmental and safety standards for global deployment.

MCP45HV51-503E/ST Applications

• Industrial Automation: Calibration of sensor bridges, PLCs, and motor control feedback loops.
• Audio Equipment: Volume control and tone adjustment with mute functionality.
• Test & Measurement: Programmable gain amplifiers and reference voltage trimming.
• Automotive Systems: HVAC controls and lighting dimming resistant to voltage transients.

Conclusion of MCP45HV51-503E/ST

The MCP45HV51-503E/ST stands out for its high-voltage tolerance, low wiper resistance, and I2C programmability, offering superior flexibility in precision analog designs. Its robust feature set, including mute and address selection, makes it a preferred choice for applications requiring dynamic adjustments under varying operational conditions. Engineers will appreciate its reliability in industrial, automotive, and audio systems where performance and durability are critical.

MCP45HV51-503E/ST Documents

Download datasheets and manufacturer documentation for MCP45HV51-503E/ST

Datasheets :

MCP45HVx1      

PCN Packaging :

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

PCN Design/Specification :

MCP45HVX1 Data Sheet 30/Jun/2023       Errata/Datasheet Update 13/Jul/2015      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH