LTC5577IUF#PBF ИС демодулятора I/Q с высокой линейностью в корпусе UFBGA

LTC5577IUF#PBF Overview

The LTC5577IUF#PBF is a high-performance, wideband quadrature demodulator designed for RF and microwave signal processing applications. Operating over a broadband frequency range, it efficiently converts RF input signals into baseband I/Q outputs with excellent linearity and low noise. This device integrates key functions needed for accurate downconversion, enabling simplified system design and improved performance in complex RF environments. Its compact packaging and robust electrical characteristics make it ideal for precision communication and test equipment. For more details, visit Производитель ИС.

LTC5577IUF#PBF Technical Specifications

Параметр	Значение
Диапазон частот	400 MHz to 6 GHz
LO Input Frequency	400 MHz to 6 GHz
LO Input Power	+0 dBm nominal
RF Input Power Range	-30 dBm to 0 dBm
I/Q Output Type	Baseband differential voltage outputs
Коэффициент преобразования	Approximately 10 dB
Коэффициент шума	Typically 10 dB
Пакет	32-lead LQFP (5 mm ?? 5 mm)
Напряжение питания	3.3 V
Потребляемая мощность	Approximately 220 mW

LTC5577IUF#PBF Key Features

• Wide Frequency Coverage: Supports RF input and LO frequencies from 400 MHz up to 6 GHz, providing flexibility across multiple communication bands.
• Integrated Quadrature Demodulation: Generates accurate I/Q outputs for complex signal analysis, reducing external component count and system complexity.
• Low Noise and High Linearity: Ensures signal integrity with a noise figure around 10 dB and strong linearity, critical for high-fidelity RF applications.
• Compact 32-Lead LQFP Package: Facilitates easy PCB integration in space-constrained designs while maintaining robust thermal and electrical performance.
• Работа в режиме пониженного энергопотребления: Consumes approximately 220 mW, balancing performance with efficient power use suitable for portable and battery-powered systems.
• 3.3 V Supply Compatibility: Matches standard industrial voltage rails simplifying power supply design and system integration.

LTC5577IUF#PBF Advantages vs Typical Alternatives

This quadrature demodulator offers enhanced sensitivity and broad frequency range compared to typical alternatives, enabling accurate signal downconversion in diverse RF environments. Its integrated I/Q output capability reduces the need for additional external components, improving reliability and simplifying design. With low noise figure and efficient power consumption, it provides a balanced solution for high-performance wireless communication and instrumentation systems.

Типовые применения

• Wireless Communication Systems: Ideal for demodulating RF signals in cellular base stations and broadband wireless access equipment where wideband frequency support and high linearity are essential.
• Test and Measurement Equipment: Enables precise signal analysis and demodulation in vector signal analyzers and spectrum analyzers.
• Radar and Electronic Warfare: Supports complex signal processing requirements in defense systems requiring accurate I/Q data extraction.
• Software Defined Radios (SDR): Provides flexible downconversion necessary for multi-band, configurable radio transceivers.

LTC5577IUF#PBF Brand Info

The LTC5577IUF#PBF is a precision RF quadrature demodulator from Linear Technology, a brand known for its innovative analog and mixed-signal semiconductor solutions. This product exemplifies their commitment to high-performance components that support advanced RF system designs. It integrates seamlessly into demanding RF front-ends, delivering reliable and repeatable performance required by engineers designing next-generation communication and test systems.

ЧАСТО ЗАДАВАЕМЫЕ ВОПРОСЫ

What frequency range does this quadrature demodulator support?

The device supports RF and local oscillator frequencies from 400 MHz to 6 GHz, covering a wide spectrum of wireless communication bands and enabling versatile application in different RF systems.

What are the typical input power requirements for the local oscillator?

The local oscillator input power is typically +0 dBm, which optimizes the internal mixer operation to achieve