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AD5173BRM2.5-RL7

AD5173BRM2.5-RL7 Description

The AD5173BRM2.5-RL7 is a digital potentiometer designed by Analog Devices Inc., featuring a 2.5 kΩ resistance and 256 tap points. This device is configured as a rheostat and operates within a supply voltage range of 2.7V to 5.5V. It is equipped with a linear taper and is controlled via an I²C interface. The AD5173BRM2.5-RL7 also includes OTP (One-Time Programmable) memory, which allows for non-volatile storage of settings. The resistance of the wiper is typically 160 ohms, ensuring minimal impact on the overall resistance of the circuit. This component is housed in a surface-mount 10 MSOP package and is available in tape and reel format, making it suitable for automated assembly processes. Despite its obsolescence, the AD5173BRM2.5-RL7 remains a reliable choice for applications requiring precise resistance control.

AD5173BRM2.5-RL7 Features

• Configuration: Rheostat
• Resistance: 2.5 kΩ
• Number of Taps: 256
• Memory Type: OTP (One-Time Programmable)
• Taper: Linear
• Interface: I²C
• Voltage - Supply: 2.7V to 5.5V
• Resistance - Wiper (Ohms) (Typ): 160
• Temperature Coefficient (Typ): 35ppm/°C
• Features: Selectable Address
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Number of Circuits: 2

The AD5173BRM2.5-RL7 stands out due to its selectable address feature, which allows multiple devices to be connected on the same I²C bus without address conflicts. The OTP memory ensures that the potentiometer settings are retained even when power is removed, providing a reliable solution for applications requiring persistent resistance settings.

AD5173BRM2.5-RL7 Applications

The AD5173BRM2.5-RL7 is ideal for applications that require precise and programmable resistance control. Its 256 tap points and linear taper make it suitable for fine-tuning analog circuits, such as:

• Audio Volume Control: The linear taper allows for smooth and precise control of audio levels.
• Gain Adjustment in Amplifiers: The digital potentiometer can be used to adjust the gain of operational amplifiers in real-time.
• Temperature Compensation Circuits: The low temperature coefficient ensures stable resistance over varying temperatures, making it suitable for temperature-sensitive applications.
• Voltage Divider Networks: The programmable resistance can be used to create adjustable voltage dividers for various analog circuits.

Conclusion of AD5173BRM2.5-RL7

The AD5173BRM2.5-RL7 is a versatile digital potentiometer that offers precise resistance control with 256 tap points and a linear taper. Its OTP memory and selectable address feature make it a reliable choice for applications requiring persistent and programmable resistance settings. Despite being obsolete, the AD5173BRM2.5-RL7 remains a valuable component for engineers looking for a robust and flexible solution in their analog circuit designs.