The X93155UM8IT1 is a digitally controlled potentiometer (XDCP) manufactured by Intersil (now Renesas). This device integrates a resistor array, wiper switches, a control section, and non-volatile memory in a single chip, enabling precise and adjustable resistance settings controlled via a digital interface.

Applications

• Power supply calibration
• LCD brightness control
• Volume control in audio equipment
• Sensor calibration
• Mechanical potentiometer replacement

Features

• Resistance Value: 50 kOhms
• Number of Taps: 32
• Interface: SPI
• Non-Volatile Memory: Stores wiper position during power down
• Supply Voltage: 2.7V to 5.5V
• Package: MSOP-8
• RoHS Compliant: Yes

Benefits

• Precise Resistance Adjustment: Digital control enables precise and repeatable resistance settings.
• Non-Volatile Storage: Wiper position is retained after power loss, eliminating the need for recalibration.
• Simplified Calibration: Enables automatic calibration in various electronic systems.
• Space Saving: Integrated solution reduces component count and board space.
• Reliable Performance: Solid-state design provides enhanced reliability compared to mechanical potentiometers.

Additional Details

The X93155UM8IT1 XDCP offers 32 wiper positions, allowing for fine-grained resistance adjustments. The wiper position is controlled via an SPI interface, enabling easy integration with microcontrollers and digital systems. The device utilizes non-volatile memory to store the wiper position, ensuring that the resistance setting is maintained even after power is removed. The MSOP-8 package provides a compact footprint for space-constrained applications. The wide supply voltage range allows for operation in various systems. It allows remote adjustment of resistance values, making it suitable for applications where manual adjustments are difficult or impossible. The digital control eliminates the need for manual potentiometers, reducing mechanical wear and improving system reliability. It can be used to compensate for component variations in manufacturing, improving product consistency. The X93155UM8IT1 is a versatile solution for applications requiring precise and adjustable resistance settings.