HMC1119LP4METR is a offering precise, digitally controlled signal attenuation with excellent linearity and fast response, making it ideal for high‑performance RF and microwave systems
Specifications
Manufacturer:
Analog Devices Inc.
Product Number:
HMC1119LP4METR
Description:
RF ATTENUATOR 31.75DB 24VFQFN
Highlight:
HMC1119LP4METR digitally controlled attenuator
,RF microwave signal attenuator IC
,high-performance integrated circuit with warranty
Introduction
The HMC1119LP4METR is a precision digitally controlled attenuator offering excellent linearity and fast response, making it ideal for high-performance RF and microwave systems.
Core Functions
- Precision Digital Attenuation: Provides 31.5 dB attenuation range in 0.25 dB fine steps via 7-bit control, enabling highly accurate RF signal level adjustment.
- Ultra-Fast Settling Time: Settles to final RF output within 250 ns (0.05 dB accuracy), supporting high-speed switching and dynamic control applications.
- Bidirectional RF Path: RF input and output are interchangeable, simplifying board layout and system design.
- Internal 50 Ω Matching: RF ports are internally matched to 50Ω, eliminating the need for external matching components.
- Flexible Control Interface: Supports both 3-wire serial and parallel control modes for easy integration with microcontrollers and FPGAs.
- Wide Power Supply Range: Operates from 3.3 V to 5.0 V with an on-chip regulator, maintaining consistent performance across the supply range.
- High Linearity & Low Distortion: Optimized for high linearity (OIP3 > 37 dBm) and low insertion loss (typical 1.1 dB at 0.1-1 GHz), preserving signal integrity.
- Safe State Transitions: Prevents signal glitches during attenuation changes, ensuring stable operation.
- Low Power & High ESD Robustness: Low power consumption and high electrostatic discharge tolerance for reliable operation in harsh environments.
- Compact Package: Housed in a 4 mm * 4 mm, 24-pin LFCSP (QFN) package with an exposed pad for efficient thermal dissipation.
Typical Applications
- Cellular & Wireless Infrastructure: Gain control in 4G/5G base stations, repeaters, and small cells
- Microwave Radios & VSATs: Signal level adjustment in satellite communication and microwave links
- Test & Measurement Equipment: Precision attenuation in signal generators, spectrum analyzers, and vector network analyzers
- RF/IF Signal Chains: Level control in receivers, transmitters, and transceiver modules
- Radar & Sensor Systems: Dynamic range adjustment in automotive radar, aerospace sensors, and industrial detection systems
- Broadband Communication Systems: Signal conditioning in cable, fiber, and microwave data links
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