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AD5252BRU1

AD5252BRU1 Description

The AD5252BRU1 is a digital potentiometer from Analog Devices Inc., designed for precision control in various electronic applications. This 14-lead TSSOP package features a 1 kΩ linear taper with 256 taps, offering high-resolution control. The device operates within a supply voltage range of 2.7V to 5.5V and ±2.25V to ±2.75V, making it suitable for a wide range of power supply configurations. The AD5252BRU1 supports I2C interface, enabling easy integration into systems requiring digital control of analog signals. With a temperature coefficient of 650ppm/°C and a tolerance of ±30%, it ensures stable performance across varying temperatures. The wiper resistance is typically 200Ω, which minimizes the impact on the overall circuit resistance. The device also offers selectable addressing, enhancing its flexibility in multi-device systems. Despite being marked as obsolete, the AD5252BRU1 remains a reliable choice for applications requiring precise resistance control.

AD5252BRU1 Features

• High Resolution Control: With 256 taps, the AD5252BRU1 provides precise resistance adjustment.
• Wide Operating Voltage Range: Supports both single-ended (2.7V to 5.5V) and dual-supply (±2.25V to ±2.75V) configurations.
• Selectable Addressing: Allows multiple devices on the same I2C bus without address conflicts.
• Low Wiper Resistance: Typical wiper resistance of 200Ω reduces the impact on circuit performance.
• Linear Taper: Ensures consistent resistance change per step, ideal for applications requiring linear control.
• Temperature Stability: A temperature coefficient of 650ppm/°C ensures stable performance across varying temperatures.
• Surface Mount Package: The 14-lead TSSOP package is suitable for compact designs and automated assembly processes.

AD5252BRU1 Applications

The AD5252BRU1 is ideal for applications requiring precise resistance control and digital interfacing. Some specific use cases include:

• Audio Systems: Volume control in audio amplifiers and mixers.
• Industrial Controls: Calibration and adjustment of sensors and actuators.
• Medical Equipment: Precision control in medical devices requiring stable and accurate resistance settings.
• Automotive Electronics: Fine-tuning of electronic control units (ECUs) and sensor interfaces.
• Consumer Electronics: Adjusting display brightness and contrast in TVs and monitors.

Conclusion of AD5252BRU1

The AD5252BRU1 from Analog Devices Inc. is a versatile digital potentiometer that offers high-resolution control and a wide operating voltage range. Its selectable addressing and low wiper resistance make it a reliable choice for applications requiring precise resistance adjustment. Despite being marked as obsolete, the AD5252BRU1 remains a valuable component for engineers seeking a robust and flexible solution for digital control of analog signals.