The LTC5543IUH#TRPBF is a high-performance, wideband RF power detector optimized for accurate power measurement in frequencies ranging from 500 MHz to 6 GHz. This monolithic integrated circuit provides a DC output voltage proportional to the input RF power, enabling precise signal monitoring and control in wireless communication systems, test equipment, and radar applications. Designed for robust industrial use, it features low power consumption and excellent linearity over a wide dynamic range. This device is ideal for engineers requiring reliable, high-accuracy power detection in compact, surface-mount form factors. For detailed technical support, visit IC Manufacturer.
LTC5543IUH#TRPBF Technical Specifications
Parameter
Specification
Frequency Range
500 MHz to 6000 MHz
Input Power Range
-40 dBm to +10 dBm
Output Type
DC Voltage Proportional to Input Power
Supply Voltage
3.0 V to 5.5 V
Power Consumption
1.5 mA (typical)
Package Type
16-Lead QFN (4 mm x 4 mm)
Temperature Range
-40??C to +85??C
Linearity
??1 dB over input range
Input Return Loss
?? 10 dB typical
Output Impedance
High impedance voltage output
LTC5543IUH#TRPBF Key Features
Wide Frequency Coverage: Supports RF signals from 500 MHz to 6 GHz, enabling use across multiple wireless communication bands.
Wide Dynamic Range: Detects input power from -40 dBm up to +10 dBm, providing versatility in measuring low to moderate power levels accurately.
Low Power Consumption: Operates typically at 1.5 mA supply current, ideal for battery-powered or energy-sensitive applications.
Surface-Mount QFN Package: Compact 4 mm x 4 mm footprint facilitates dense PCB layouts and automated assembly processes.
Linear Output Voltage: Provides a DC voltage directly proportional to input power, simplifying interfacing with analog-to-digital converters or control circuitry.
Wide Operating Temperature Range: Reliable performance from -40??C to +85??C, suitable for industrial and outdoor environments.
Excellent Input Return Loss: Minimizes signal reflections, improving measurement accuracy and system performance.
LTC5543IUH#TRPBF Advantages vs Typical Alternatives
This power detector offers superior sensitivity and linearity across a broad frequency range compared to many standard detectors. Its low power consumption and small QFN package enable integration into space- and energy-constrained designs. The DC output voltage simplifies signal processing without requiring complex demodulation circuits. Additionally, its robust temperature range and consistent accuracy make it more reliable in industrial and wireless system applications than typical discrete or legacy solutions.
Wireless communication equipment power monitoring: Enables efficient real-time signal strength measurements in cellular base stations, repeaters, and transceivers, ensuring optimal system performance.
Test and measurement instruments: Provides accurate RF power detection for signal analyzers and network testers across wide frequency bands.
Radar and satellite communication systems: Facilitates precise power level detection for transmitters and receivers operating at UHF and microwave frequencies.
Industrial RF sensing and control: Supports power monitoring in automated manufacturing and industrial wireless sensor networks.
LTC5543IUH#TRPBF Brand Info
The LTC5543IUH#TRPBF is a product from a leading semiconductor manufacturer specializing in high-performance RF and analog solutions. Known for delivering reliable and precision integrated circuits, this manufacturer focuses on meeting the demanding requirements of industrial, wireless communication, and instrumentation markets. The device reflects the brand??s commitment to innovation, quality, and comprehensive application support, making it a trusted choice for engineers designing next-generation RF power detection systems.
FAQ
What frequency range does the LTC5543IUH#TRPBF support
