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AD8403AR100

AD8403AR100 Description

The AD8403AR100 is a digital potentiometer designed by Analog Devices Inc., a leading manufacturer in the electronics industry. This component is part of the Data Acquisition ICs category and offers a wide range of technical specifications that make it suitable for various applications. The AD8403AR100 features a 100kΩ resistance with a tolerance of ±30%, providing a broad adjustment range for precise control. It operates within a supply voltage range of 2.7V to 5.5V, ensuring compatibility with a variety of power supplies. The device has a temperature coefficient of 500ppm/°C, which ensures stable performance across different temperature conditions.

The AD8403AR100 is equipped with 256 taps, allowing for fine-tuned resistance adjustments. It uses a linear taper, which is ideal for applications requiring linear control characteristics. The device employs a SPI interface for communication, making it easy to integrate into systems that utilize this standard protocol. The AD8403AR100 also features a cascade pin, which enables multiple devices to be connected in series, expanding the control capabilities of the system.

The AD8403AR100 is housed in a 24SOIC package and is available in a tube format, making it suitable for surface mount applications. It has a moisture sensitivity level (MSL) of 1 (unlimited), which means it can be stored and handled without special precautions. The device is classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international trade regulations.

AD8403AR100 Features

• Configuration: Potentiometer
• Resistance: 100kΩ with ±30% tolerance
• Number of Taps: 256
• Taper: Linear
• Interface: SPI
• Voltage - Supply: 2.7V to 5.5V
• Temperature Coefficient: 500ppm/°C
• Memory Type: Volatile
• Features: Cascade Pin
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Mounting Type: Surface Mount
• Package: Tube
• Number of Circuits: 4
• Resistance - Wiper (Ohms) (Typ): 200Ω

AD8403AR100 Applications

The AD8403AR100 is ideal for applications that require precise resistance control and adjustment. Its 100kΩ resistance and 256 taps make it suitable for fine-tuning in various electronic circuits. The linear taper ensures consistent performance across the entire adjustment range, making it ideal for applications such as:

• Audio Systems: Volume control and tone adjustment
• Industrial Control: Precision control of motor speeds and sensor outputs
• Medical Equipment: Calibration and adjustment of medical devices
• Consumer Electronics: Fine-tuning of electronic devices for optimal performance

The AD8403AR100's SPI interface allows for seamless integration into systems that require digital control, making it a versatile component for modern electronics. The cascade pin feature further enhances its flexibility by allowing multiple devices to be connected in series, expanding the control range and capabilities.

Conclusion of AD8403AR100

The AD8403AR100 is a robust digital potentiometer that offers precise resistance control and adjustment. Its 100kΩ resistance, 256 taps, and linear taper make it suitable for a wide range of applications, from audio systems to industrial control. The SPI interface and cascade pin feature enhance its integration and control capabilities, making it a versatile component for modern electronics. Despite being marked as obsolete, the AD8403AR100 remains a reliable choice for applications requiring precise resistance control and adjustment.