LTC5576IUF#PBF RF Mixer IC, High Linearity, 48-Lead LQFP Package

LTC5576IUF#PBF Overview

The LTC5576IUF#PBF is a high-performance RF power detector designed to accurately measure power levels in high-frequency systems. It operates over a wide frequency range from 0.5 GHz to 6 GHz, making it ideal for modern communications and radar applications. This device integrates a logarithmic detector core capable of providing a linear-in-dB output voltage, simplifying power measurement and control tasks. Its low supply current and wide dynamic range enable efficient operation in constrained environments. Available in a compact 16-lead QFN package, it supports surface-mount assembly for space-sensitive designs. For reliable sourcing and detailed technical support, visit IC Manufacturer.

LTC5576IUF#PBF Technical Specifications

LTC5576IUF#PBF Key Features

• Wideband RF Power Detection: Covers 0.5 GHz to 6 GHz, enabling accurate power measurement across common wireless and radar frequencies.
• Logarithmic Output Voltage: Provides a linear-in-dB output that simplifies power monitoring and system calibration tasks.
• Low Power Consumption: Typical 5 mA supply current supports battery-powered and energy-efficient designs.
• Broad Input Power Range: Detects signals from -45 dBm to +15 dBm, allowing measurement of both very weak and strong RF signals.
• Compact QFN Package: Facilitates high-density PCB layouts with a small 4 mm ?? 4 mm footprint and good thermal performance.
• Temperature Stability: Minimal output voltage drift over temperature enhances measurement reliability in various environments.
• Single-Supply Operation: Operates from 3 V to 5.5 V power rails, compatible with standard logic and power domains.

LTC5576IUF#PBF Advantages vs Typical Alternatives

This RF power detector stands out due to its wide frequency range and low power consumption, offering superior sensitivity and accuracy compared to discrete or narrowband solutions. Its integrated logarithmic detection reduces system complexity and improves measurement linearity in decibels. The compact QFN package and stable output voltage over temperature make it a reliable choice for dense industrial and communication system designs.

Typical Applications

• Wireless Infrastructure: Accurate RF power monitoring for base stations, repeaters, and transceivers operating across multiple cellular bands, ensuring optimized performance and regulatory compliance.
• Radar Systems: Real-time power level detection for radar transmitters and receivers, supporting dynamic range and signal integrity in defense and automotive applications.
• Test and Measurement Equipment: Integration into RF analyzers and signal testers requiring precise power measurement over a wide frequency spectrum.
• Satellite Communications: Power detection in uplink/downlink modules to monitor and control transmitted RF power for satellite terminals and ground stations.

LTC5576IUF#PBF Brand Info

The LTC5576IUF#PBF is a product from Analog Devices, a leader in high-performance analog semiconductor solutions. This device exemplifies the brand??s commitment to precision, reliability, and integration for RF and microwave applications. Designed for demanding industrial and communications systems, it reflects Analog Devices?? expertise in delivering advanced power detection technology combined with robust packaging and ease of use.

FAQ

What frequency range does this power detector support?

The device operates over a frequency range from 0