AD5259BCPZ100-R7

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Data Acquisition - Digital Potentiometers

The AD5259BCPZ100-R7 is an integrated, low power, 64-position digital potentiometer IC, offering easy to use precision surface-mount and through-hole packages. The device is a non-volatile, digitally controllable potentiometer with 10-bit resolution and an addressable external control interface.

Application Field

The AD5259BCPZ100-R7 is an ideal choice for providing variable resistance output in applications such as adjustable power supplies, variable gain amplifiers, and low-frequency signal conditioning. In any application requiring a digital potentiometer with a wide range of resistance values, the AD5259BCPZ100-R7 is able to provide a low-power solution that allows for remote control and digital calibration.

The device also finds use as a precision potentiometer for digital-resistant output requirements in a variety of control and adjustment systems, such as in microprocessor-based controllers for both single and multi-channel systems. The AD5259BCPZ100-R7 can also be used in microprocessor control systems that require digital potentiometer inputs.

Working Principle

The AD5259BCPZ100-R7 is a 10-bit, 64-position digital potentiometer with a resistance range up to 10k Ohms. It operates on a single +2.7V to +3.3V power supply and requires very low current input and output voltages. The potentiometer provides 100kΩ of resistance in 256 steps of increasing resistance, with each step being 0.02% of the full range. The device features ±20% initial accuracy and maintains this accuracy to the end of its life.

The AD5259BCPZ100-R7 digital potentiometer also offers a number of integrated features. Its flexible address programming allows for up to 256 address settings to suit different application requirements. The device is also capable of storing up to 11 programmed settings, which can be recalled on demand. These memory functions are particularly useful in automotive and industrial environments, providing the necessary accuracy and reliability to ensure correct functioning.

The potentiometer\'s digital control logic is also designed to ensure reliable operation in the most demanding applications. The device further utilizes power down modes to minimize power consumption and provide low quiescent current. This makes it suitable for small form factor designs, such as those in handheld devices. Besides these benefits, the AD5259BCPZ100-R7 also includes over-voltage and over-temperature protection for improved reliability.

Conclusion

The AD5259BCPZ100-R7 digital potentiometer is highly versatile and easy to use, making it the ideal choice for a wide range of applications requiring precision potentiometer outputs. It features 10-bit resolution, ±20% accuracy, programmable address settings, and low-power operation, making it suitable for applications such as adjustable power supplies, variable gain amplifiers, and low-frequency signal conditioning. The device is also well suited for use in automotive and industrial systems.

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