Analog Devices Inc./Maxim Integrated Tariff Inquiry

DS1803E-50/T&R

DS1803E-50/T&R Description

The DS1803E-50/T&R 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 50kΩ resistance with a tolerance of ±20% and a linear taper, providing precise control over resistance values. The DS1803E-50/T&R supports 256 taps, enabling fine adjustments and a wide range of resistance settings. It operates within a supply voltage range of 2.7V to 5.5V and has a temperature coefficient of 750ppm/°C, ensuring stable performance across varying temperatures. The device is equipped with a volatile memory type, meaning it retains its settings as long as power is supplied. It also features a selectable address, allowing multiple devices to be connected on the same bus without conflict. The DS1803E-50/T&R is housed in a 14-pin TSSOP package and is available in tape and reel (TR) format, making it suitable for surface mount applications. Despite its obsolete status, the DS1803E-50/T&R remains a reliable choice for applications requiring a digital potentiometer with I2C interface.

DS1803E-50/T&R Features

• Configuration: Potentiometer with 256 taps for precise resistance control.
• Resistance: 50kΩ with a tolerance of ±20%, providing a wide range of resistance values.
• Taper: Linear, ensuring consistent resistance changes across the range.
• Interface: I2C, allowing easy integration into systems with minimal wiring.
• Selectable Address: Enables multiple devices on the same bus without address conflicts.
• Supply Voltage: 2.7V to 5.5V, offering flexibility in power supply options.
• Temperature Coefficient: 750ppm/°C, ensuring stable performance across varying temperatures.
• Memory Type: Volatile, retaining settings while power is supplied.
• Moisture Sensitivity Level: MSL 1 (limitedUn), suitable for various environmental conditions.
• Package: 14TSSOP in tape and reel (TR) format, ideal for surface mount applications.
• Number of Circuits: 2, providing dual potentiometer functionality.
• Resistance - Wiper: 400Ω (Typ), ensuring low resistance for efficient signal transfer.

DS1803E-50/T&R Applications

The DS1803E-50/T&R is ideal for applications requiring precise control over resistance, values such as:

• Audio Systems: Volume control and tone adjustment.
• Medical Equipment: Calibration and adjustment of medical devices.
• Industrial Control: Precision control in automation and process control systems.
• Consumer Electronics: Adjusting display brightness and contrast.
• Automotive: Fine-tuning electronic control units (ECUs) and sensors.
• Telecommunications: Signal attenuation and gain control in communication systems.

Conclusion of DS1803E-50/T&R

DSThe1803E-50/T&R from Analog Devices Inc./Maxim Integrated is a robust digital potentiometer offering precise resistance control and versatile features. Its 50kΩ resistance, linear taper, and 256 taps provide a wide range of adjustment options, making it suitable for various applications. The I2C interface and selectable address feature allow for easy integration into complex systems. Despite being obsolete, the DS1803E-50/T&R remains a reliable choice for applications requiring a digital potentiometer with a surface mount package. Its stable performance across varying temperatures and low moisture sensitivity level further enhance its reliability in diverse environments.