The Xicor Inc. X9241UVI is a highly integrated dual digitally controlled potentiometer (XDCP) with non-volatile memory. This device allows for precise resistance adjustments through a digital interface, making it suitable for a wide range of applications where electronic trimming and calibration are required. The integrated non-volatile memory ensures that the programmed resistance settings are retained even when power is removed, providing a reliable and convenient solution for parameter adjustments.

Applications

• Automotive electronics: Used for calibrating sensors and adjusting electronic control units (ECUs).
• Industrial automation: Implemented in feedback control systems and process control equipment for fine-tuning parameters.
• Consumer electronics: Found in audio equipment, displays, and power supplies for volume control, brightness adjustment, and voltage trimming.
• Calibration equipment: Employed in precision measurement instruments to digitally adjust calibration points.
• Power supply adjustment: Used to dynamically adjust voltage or current levels in power supplies.

Features

• Dual Potentiometer: Contains two independent digitally controlled potentiometers in a single package.
• Non-Volatile Memory: Stores potentiometer settings even when power is off.
• Digital Control Interface: Controlled via a serial interface, such as SPI or I2C.
• High Resolution: Offers precise adjustment with a large number of wiper positions.
• Wide Voltage Range: Operates over a broad range of supply voltages.
• Low Power Consumption: Designed for energy-efficient operation.

Benefits

• Precise Calibration: Allows for accurate and repeatable adjustments, improving the performance of electronic circuits.
• Remote Adjustment: Enables remote configuration and control through a digital interface.
• Reduced Component Count: Integrates multiple potentiometers and non-volatile memory into a single chip, saving board space.
• Automated Calibration: Supports automated calibration processes, reducing manufacturing time and labor costs.
• Enhanced Reliability: The non-volatile memory ensures that settings are retained, eliminating the need for manual recalibration after power loss.

Technical Specifications

The X9241UVI typically features a resistance range of 10kΩ or 50kΩ, with a resolution of 64 or 100 wiper positions. It operates on a supply voltage of 2.7V to 5.5V and communicates via a serial interface, such as SPI. The device is available in various package options, including TSSOP and SOIC. The endurance of the non-volatile memory is typically rated for 100,000 write cycles. This product is often used for applications that require precise and stable resistance settings over a wide temperature range.