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AD5161BRM5

AD5161BRM5 Description

The AD5161BRM5 is a digital potentiometer designed by Analog Devices Inc., featuring a 5kΩ resistance and 256 tap positions. This device is ideal for applications requiring precise resistance control and adjustment. The AD5161BRM5 operates within a supply voltage range of 2.7V to 5.5V and has a temperature coefficient of 45ppm/°C, ensuring stable performance across varying temperatures. The device employs a linear taper, providing consistent resistance changes between tap positions. With a resistance tolerance of ±30%, the AD5161BRM5 offers flexibility in resistance values. The wiper resistance is typically 50Ω, minimizing the impact on overall circuit performance.

AD5161BRM5 Features

The AD5161BRM5 features a volatile memory type, meaning it retains settings only while power is applied. This digital potentiometer supports both I2C and SPI interfaces, providing versatile communication options for integration into various systems. The device includes a cascade pin and selectable address feature, allowing multiple units to be connected and individually controlled. The AD5161BRM5 is housed in a surface-mount 10MSOP package, making it suitable for compact designs. It has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to ambient conditions. The device is classified under ECCN EAR99 and HTSUS 8542.39.0001, facilitating international trade compliance.

AD5161BRM5 Applications

The AD5161BRM5 is well-suited for applications requiring adjustable resistance, such as audio volume control, sensor signal conditioning, and gain adjustment in amplifiers. Its linear taper and 256 tap positions provide fine control over resistance values, making it ideal for precision applications. The dual interface support (I2C and SPI) allows for seamless integration into systems with different communication protocols. The device's compact surface-mount package and low wiper resistance make it suitable for space-constrained designs where performance is critical.

Conclusion of AD5161BRM5

The AD5161BRM5 digital potentiometer from Analog Devices Inc. offers a robust solution for applications requiring precise resistance control. With its 5kΩ resistance, 256 tap positions, and linear taper, it provides fine-tuned adjustments. The support for both I2C and SPI interfaces, along with features like the cascade pin and selectable address, make it versatile and easy to integrate into various systems. Despite being marked as obsolete, the AD5161BRM5 remains a reliable choice for applications needing a compact, surface-mount digital potentiometer with versatile communication options and stable performance across a wide temperature range.