LT5519EUF#PBF RF Mixer IC, High Linearity, 16-Lead LQFP Package

LT5519EUF#PBF Overview

The LT5519EUF#PBF is a high-performance, low-noise RF downconverter designed for industrial and communication systems requiring precise frequency translation. This device integrates a double-balanced mixer with an on-chip local oscillator buffer, enabling enhanced linearity and improved dynamic range. Offering broadband operation and low power consumption, it supports applications from 100 MHz to 4 GHz input frequencies. The compact, lead-free 16-lead QFN package ensures ease of integration into space-constrained designs. Available from IC Manufacturer, it is ideal for engineers seeking reliable, high-sensitivity RF front-end components with consistent performance over temperature and supply variations.

LT5519EUF#PBF Technical Specifications

LT5519EUF#PBF Key Features

• Wide RF and LO frequency range: Supports input and local oscillator frequencies from 100 MHz to 4 GHz, enabling versatile use across multiple RF bands.
• Integrated double-balanced mixer: Provides excellent port-to-port isolation and suppresses unwanted signals, improving signal integrity in complex RF environments.
• Low noise figure: At 8.4 dB typical, it minimizes system noise contribution, enhancing overall receiver sensitivity.
• High linearity with 14 dBm IP3: Ensures better handling of strong interfering signals and reduces distortion in demanding RF front-ends.
• Compact 16-lead QFN package: Facilitates high-density board layouts and improves thermal dissipation while meeting lead-free manufacturing standards.
• Low current consumption: Draws only 40 mA at 5 V supply, contributing to energy-efficient system designs.

LT5519EUF#PBF Advantages vs Typical Alternatives

This RF downconverter offers a superior combination of low noise figure and high IP3 compared to typical mixers, resulting in enhanced sensitivity and linearity. Its integrated LO buffer reduces external component count and simplifies design. The broad frequency support and compact package provide flexibility and space-saving benefits, making it a reliable choice for engineers focused on optimizing performance and reducing system complexity.

Typical Applications

• Wireless communication receivers requiring precise frequency conversion and low noise performance for cellular base stations and infrastructure equipment.
• Test and measurement instruments where accurate downconversion of RF signals is critical to system accuracy.
• Radar and satellite communication systems needing robust mixer performance over wide frequency ranges.
• Industrial RF monitoring and sensing applications requiring compact, reliable downconversion components.

LT5519EUF#PBF Brand Info

The LT5519EUF#PBF is produced by a leading semiconductor manufacturer known for high-quality analog and RF integrated circuits. This device exemplifies the brand??s commitment to delivering innovative, reliable solutions tailored for demanding industrial and communications applications. With rigorous quality control and comprehensive technical support, the product aligns with industry standards for lead-free manufacturing and environmental compliance.

FAQ

What frequency ranges does the LT5519EUF#PBF support for RF and local oscillator inputs?

The device supports RF and local oscillator frequencies ranging from 100 MHz up to 4 GHz. This broad frequency range makes it suitable for a variety of wireless communication and industrial RF applications.

What is the typical noise figure of this downconverter and why is it important?

The typical noise figure is 8.4 dB, which indicates how much noise the device adds to the signal. A lower noise figure improves the sensitivity of the receiver, enabling better detection of weak signals.