Part Number: HMC349ALP4CE

Manufacturer: Analog Devices Inc.


Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of HMC349ALP4CE

Datasheet  HMC349ALP4CE datasheet
Category RF/IF and RFID
Family RF Switches
Manufacturer Analog Devices Inc.
Packaging Cut Strip
Part Status Active
Frequency – Lower DC
Frequency – Upper 4GHz
Isolation @ Frequency 62dB @ 4GHz (typ)
Insertion Loss @ Frequency 1.4dB @ 4GHz
Topology Absorptive
Circuit SPDT
P1dB 34dBm
Impedance 50 Ohm
Operating Temperature -40°C ~ 85°C
Voltage – Supply 4.5 V ~ 5.5 V
RF Type General Purpose
Package / Case 16-VQFN Exposed Pad
Supplier Device Package 16-QFN (4×4)


In an era where the world is intricately connected through the invisible threads of wireless communication, the demand for seamless, reliable, and high-performance components has never been greater. Meet the HMC349ALP4CE, a gallium arsenide (GaAs) single-pole, double-throw (SPDT) switch that not only promises to redefine the landscape of wireless infrastructure but also showcases the remarkable potential of GaAs technology. As we embark on this comprehensive journey, prepare to unravel the intricacies of the HMC349ALP4CE and explore its far-reaching impact on wireless communication.

Pioneering the Way: Introducing the HMC349ALP4CE

Imagine a device that could easily find its way through a wide range of bands and manage signal paths to provide a perfect wireless experience. This is exactly what the HMC349ALP4CE does. This GaAs SPDT switch is a leader in wireless technology because it can be set from 100 MHz to 4 GHz. Its features are perfectly suited to the needs of today’s wireless infrastructure, and they offer a great balance of speed and accuracy.

Performance that Speaks Volumes: Unveiling Key Features

The HMC349ALP4CE has a lot of features that make it stand out and put it in a league of its own. Its non-reflective, 50 form shows how much it cares about keeping signals as clear as possible. This design theory makes sure that signals flow smoothly and doesn’t get messed up, which can happen with cheaper components.

The HMC349ALP4CE has a very high level of separation, 62 dB up to 2 GHz. This feature isn’t just a number; it’s a guarantee that your wireless signals will be clear and free of interference even in the most crowded wireless settings. It also has a low insertion loss of 1.0 dB up to 2 GHz, which shows how well it can move data through its paths with few interruptions.

A Powerhouse of Linearity and Handling: Unleashing Potential

The HMC349ALP4CE is made to give wireless devices the power and accuracy they need. With an input IP3 of 53 dBm, it can handle high-power sounds without fear while still being very linear. This is the heart of reliable wireless communication: being able to handle the needs of real-world apps without lowering the quality of the signal.

The 34 dBm 1 dB power compression (P1dB) is a force to be taken seriously. It makes sure that your signals don’t get messed up even when there’s a lot of pressure on them. It’s like a safety net that makes sure things work when they need to.

The Nonreflective, 50 Ω Design: Forging Signal Integrity

The HMC349ALP4CE is better not only because it uses GaAs, but also because it was made in a clever way. At the heart of its design is a non-reflective 50 configuration that was carefully made to keep the signal quality at its best. This choice of design makes sure that there are few impedance mismatches and echoes along its paths. This reduces the distortions that can hurt the quality of wireless communication.

Think of the HMC349ALP4CE as a guard who only lets the most pure and accurate signals through. This design concept is especially important in situations where data must be sent without interruption, like in wireless infrastructure applications. By combining the high-frequency powers of GaAs with a design that doesn’t reflect light, the HMC349ALP4CE becomes a conductor for wireless communication.

The HMC349ALP4CE and GaAs technologies weave a story of efficiency, precision, and new ideas into the big picture of technological growth. As we learn more about how this amazing part works and what it can be used for, you’ll be amazed by how the advantages of GaAs and the brilliant design of the HMC349ALP4CE work together. The stage is set for a symphony of options, where the harmonious notes of GaAs technology and the HMC349ALP4CE’s orchestration of optimal signal integrity blend together seamlessly.

A Symphony of Control and Compatibility: CMOS-/TTL Interface

The HMC349ALP4CE is not only very powerful, but it is also very flexible and easy to use. It works with a single source voltage that is positive and ranges from 3 V to 5 V. This makes power management and compatibility easier and makes sure that the integration process goes smoothly. Its CMOS-/TTL-compatible control interface, which includes the CTRL and EN pins, gives you the freedom to change how it works to suit your needs.

Seamless Integration and User-Friendly Control: Unleashing the Power of HMC349ALP4CE in Your Wireless Systems

It’s like fine-tuning a symphony to be able to handle and integrate different parts of a wireless system without any problems. The GaAs single-pole, double-throw (SPDT) switch HMC349ALP4CE not only has great performance, but it also makes integration and adaptation easy. In this part, we’ll talk about how to put this technological marvel into your wireless systems and how to use the easy-to-use control interface to create the perfect wireless harmony.

A Single Voltage, Limitless Possibilities: The Significance of Positive Supply Voltage

Imagine a world where managing power is easier and connectivity doesn’t matter. With its single positive input voltage of 3 V to 5 V, the HMC349ALP4CE is a good way to get started in this world. This relatively small detail is very important because it makes it easier to manage power and makes sure it works with a wide range of setups.

The positive supply voltage is the HMC349ALP4CE’s lifeline, giving it power and allowing it to work at its best. No matter if you’re working with 3 V or 5 V systems, the HMC349ALP4CE changes easily, keeping things simple and making the most of your time. This not only makes the planning and implementation processes easier, but it also sets the stage for a smooth integration.

The Interface of Control: CMOS-/TTL-Compatible Interface

The HMC349ALP4CE is a great example of user-centered design in a world where people want to be able to change things and have options. Its CMOS/TTL-compatible control interface gives you a level of control that turns your wireless systems into highly tuned instruments. This tool isn’t just a piece of technology; it’s also your way into making changes.

The HMC349ALP4CE breaks down barriers to contact because it can talk using either standard CMOS or TTL logic levels. Because it’s compatible, you can easily add it to new or current designs without making a lot of changes. This lets you use its features without having to make a lot of changes. What happened? You’ll save time and money because the integration process will go more smoothly and work better.


The HMC349ALP4CE RF Switch IC stands as a versatile force in the realm of RF technology. Its SPDT configuration navigates signal pathways with agility, making it indispensable across applications like wireless communication and automotive radar. With a wide frequency range, low insertion loss, and high isolation, it champions signal integrity, ensuring optimal performance.

Its rapid switching speed and compact package further amplify its impact, solidifying its role as an unassuming yet crucial component in modern RF applications. The HMC349ALP4CE RF Switch IC silently empowers the interconnected world of RF, driving efficiency and fidelity across a spectrum of technologies. At ICRFQ, we proudly serve as your premier source for the exceptional HMC349ALP4CE in China, empowering you to seize the limitless possibilities of wireless communication.

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Kevin Chen