Analog Devices Inc.

LTC2757BILX

LTC2757BILX Description

The LTC2757BILX is an 18-bit Multiplying Digital-to-Analog Converter (DAC) designed by Analog Devices Inc., a leading manufacturer of high-performance integrated circuits. This DAC is part of the SoftSpan™ series and is housed in a 48LQFP package, ideal for surface mount applications. It features a parallel data interface and supports a wide supply voltage range of 2.7V to 5.5V for both digital and analog supplies. The LTC2757BILX offers a differential output and requires an external reference, providing flexibility in design.

LTC2757BILX Features

• High Resolution: With 18-bit resolution, the LTC2757BILX provides precise control over analog outputs, making it suitable for applications requiring high accuracy.
• Wide Supply Voltage Range: The ability to operate from 2.7V to 5.5V for both digital and analog supplies ensures compatibility with a variety of power sources.
• Multiplying DAC Architecture: This architecture allows the DAC to multiply the digital input by the analog input, enabling dynamic range adjustments and signal conditioning.
• Parallel Data Interface: The parallel interface facilitates fast data transfer and is well-suited for high-speed applications.
• Differential Output: The differential output capability enhances signal integrity and reduces noise, making it ideal for high-precision applications.
• Settling Time: A typical settling time of 2.1µs ensures rapid response to changes in input, enhancing system performance.
• Low INL/DNL: With maximum INL and DNL of ±2 LSB and ±1 LSB respectively, the LTC2757BILX offers high linearity and accuracy.
• Moisture Sensitivity Level (MSL) 1: The MSL 1 rating indicates that the device is not moisture-sensitive, making it suitable for a wide range of environmental conditions.

LTC2757BILX Applications

The LTC2757BILX is well-suited for a variety of applications that demand high precision and flexibility. Key applications include:

• Industrial Automation: The high resolution and wide supply voltage range make it ideal for controlling actuators and sensors in industrial environments.
• Medical Equipment: The precision and differential output capability are beneficial for medical devices that require accurate signal processing.
• Test and Measurement: The fast settling time and low INL/DNL ensure accurate and reliable measurements in test equipment.
• Signal Processing: The multiplying DAC architecture allows for dynamic range adjustments and signal conditioning in complex signal processing systems.

Conclusion of LTC2757BILX

The LTC2757BILX is a versatile and high-performance 18-bit Multiplying DAC designed for demanding applications. Its wide supply voltage range, differential output, and fast settling time make it an excellent choice for industrial, medical, and test and measurement applications. While the product is now obsolete, its unique features and performance benefits continue to make it a valuable component for existing designs. For new projects, engineers may consider exploring alternative models from Analog Devices Inc. that offer similar or enhanced capabilities.