Analog Devices Inc./Maxim Integrated Tariff Inquiry

DS1802E+

DS1802E+ Description

The DS1802E+ is a digital potentiometer designed by Analog Devices Inc./Maxim Integrated, offering a versatile and programmable solution for a wide range of applications. This device features a logarithmic taper, making it particularly suitable for audio applications where precise control of volume levels is crucial. The DS1802E+ is housed in a 20-TSSOP package, ensuring compact and reliable integration into various electronic systems.

DS1802E+ Features

• Configuration: The DS1802E+ is configured as a potentiometer, providing 65 taps for fine-tuned resistance control. This high number of taps allows for precise adjustments, making it ideal for applications requiring high-resolution control.
• Resistance: With a total resistance of 45kΩ and a wiper resistance of 400Ω, the DS1802E+ offers a robust and stable resistance range. The ±20% tolerance ensures consistent performance across different operating conditions.
• Temperature Coefficient: The DS1802E+ has a typical temperature coefficient of 750ppm/°C, ensuring stable performance over a wide temperature range. This makes it suitable for applications where temperature variations are expected.
• Supply Voltage: The device operates within a supply voltage range of 2.7V to 5.5V, providing flexibility in power supply requirements.
• Memory Type: The DS1802E+ utilizes volatile memory, which means it retains its settings as long as power is applied. This feature is beneficial for applications where dynamic adjustments are frequently required.
• Interface: The DS1802E+ supports both pushbutton and serial interfaces, offering multiple options for control and communication. This dual-interface capability enhances its versatility and ease of integration.
• Compliance: The DS1802E+ is ROHS3 compliant and has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing processes and environments.

DS1802E+ Applications

The DS1802E+ is particularly well-suited for applications in the audio industry, such as volume control in audio amplifiers, mixers, and other audio equipment. Its logarithmic taper provides smooth and natural volume adjustments, enhancing user experience. Additionally, the DS1802E+ can be used in various other applications requiring precise resistance control, such as:

• Signal Processing: Adjusting gain levels in signal processing circuits.
• Medical Devices: Controlling the intensity of medical equipment outputs.
• Consumer Electronics: Volume control in portable devices and home entertainment systems.
• Industrial Control: Fine-tuning control loops and feedback mechanisms.

Conclusion of DS1802E+

The DS1802E+ digital potentiometer from Analog Devices Inc./Maxim Integrated offers a comprehensive solution for applications requiring precise and programmable resistance control. Its high number of taps, logarithmic taper, and dual-interface capability make it a versatile and reliable choice. While the product is now obsolete, its technical specifications and performance benefits continue to make it a valuable component for legacy systems and specific applications where its unique features are required.