The DS1857E-050 from Maxim Integrated is a versatile and innovative solution designed for a variety of applications that require precise temperature control and non-volatile (NV) storage of settings. This dual temperature-controlled variable resistor integrates memory features with a temperature sensor, combining the functions of digital potentiometers and EEPROM in a single device.

Key Features

• Integrated Temperature Sensor: The DS1857E-050 comes with a built-in temperature sensor that enables temperature monitoring and control, ensuring optimal performance across different environmental conditions.
• Non-Volatile Memory: With its NV storage capability, the device can retain settings even after power is removed, allowing for the preservation of system calibrations and configurations.
• Dual Resistor Channels: The device features two resistor channels that can be individually programmed, providing flexibility and precision for a wide range of applications.
• Wiper Position Storage: The wiper positions of the variable resistors can be stored in EEPROM, allowing for automatic restoration of settings upon power-up.
• High Resolution: Each resistor channel offers 256-position resolution, granting fine-tuning capabilities for specific application requirements.

Applications

The DS1857E-050 is ideal for use in applications such as:

• Optical networking systems
• Power-supply adjustment
• Laser diode bias and modulation adjustment
• RF amplifier bias control

Technical Specifications

The DS1857E-050 represents Maxim Integrated's commitment to providing high-quality, integrated solutions for complex and demanding applications. Its combination of temperature control, non-volatile memory, and high-resolution variable resistors make it a powerful component for precision electronic design.