The X9250TS24I-2.7 is a Dual Digitally Controlled Potentiometer (XDCP) manufactured by Renesas Electronics America. This device integrates two digitally controlled potentiometers in a single package, offering precise and adjustable resistance settings.
Applications:
- LCD Brightness and Contrast Control: Used to precisely adjust the brightness and contrast levels in LCD displays.
- Audio Volume Control: Implemented for accurate volume control in audio systems, offering smooth and precise adjustments.
- Sensor Calibration: Employed for calibrating sensor outputs, allowing for fine-tuning and compensation of sensor variations.
- Programmable Gain Amplifiers: Used in programmable gain amplifiers (PGAs) to adjust the gain levels digitally.
- Power Supply Adjustment: Incorporated in power supplies for fine-tuning output voltage and current levels.
- Motor Speed Control: Used in motor control circuits to adjust motor speed digitally.
Features:
- Dual Potentiometers: Contains two independent digitally controlled potentiometers in one package.
- 256 Taps: Each potentiometer offers 256 discrete tap points for precise resistance adjustment.
- SPI Interface: Uses a standard SPI (Serial Peripheral Interface) for easy communication with microcontrollers.
- Non-Volatile Memory: Stores the wiper position in non-volatile memory, retaining the setting even after power loss.
- Low Power Consumption: Designed for low power operation, suitable for battery-powered applications.
- Wide Operating Voltage: Operates over a wide voltage range, typically 2.7V to 5.5V.
Benefits:
- Precise Control: Offers precise and repeatable resistance settings, enabling accurate adjustments in various applications.
- Digital Interface: Simplifies control and integration with microcontrollers and other digital systems.
- Non-Volatile Memory: Retains settings even after power loss, eliminating the need for recalibration.
- Space Saving: Integrates two potentiometers in a single package, saving board space.
- Improved Reliability: Eliminates mechanical wear associated with traditional potentiometers.
Technical Specifications (Typical):
- Resistance Value: Determined by specific part number
- Number of Taps: 256
- Interface: SPI
- Operating Voltage: 2.7V to 5.5V
- Operating Temperature: -40°C to +85°C
- Non-Volatile Memory Endurance: 1,000,000 write cycles
The X9250TS24I-2.7 provides a reliable and accurate solution for digitally controlled resistance adjustment in a wide range of applications. The non-volatile memory and SPI interface make it easy to integrate into microcontroller-based systems.