The HMC424ALP3E from Analog Devices is a broadband, 6-bit gallium arsenide (GaAs) digital attenuator, engineered for precision and reliability in demanding RF applications.
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Part Number: HMC424ALP3E
Manufacturer: Analog Devices Inc. (ADI)
Stock: 294 pcs
Date Code: 24+
Package: 16-lead LFCSP (Lead Frame Chip Scale Package), 3 mm × 3 mm body
Key Technical Specifications of ADI HMC424ALP3E
The HMC424ALP3E provides a 31.5 dB attenuation control range in 0.5 dB steps, featuring excellent attenuation accuracy and high input linearity.
| Parameter | Specification |
| Frequency Range | 0.1 GHz to 13.0 GHz |
| Attenuation Range | 31.5 dB (0.5 dB LSB steps) |
| Insertion Loss | 2.8 dB typical (at 4 GHz) |
| Input IP3 | 45 dBm typical |
| Supply Voltage (VEE) | -3 V to -5 V |
| RoHS/REACH Status | RoHS Compliant |
Moisture Sensitivity Level (MSL) | MSL 3 |
| Package | 16-Lead LFCSP (3 mm × 3 mm) |
Applications of HMC424ALP3E
The HMC424ALP3E is widely utilized across several high-frequency sectors, including:
Cellular Infrastructure: Enhancing signal management in base stations.
Microwave Radios & VSATs: Providing precise attenuation in satellite and terrestrial links.
Test Equipment & Sensors: Essential for high-accuracy RF signal testing.
High-Reliability & Industrial Applications: Delivers stable performance under harsh operating conditions for industrial and professional RF systems.
IF and RF Designs: Flexible attenuation for diverse signal chain architectures.
Package of ADI HMC424ALP3E
The HMC424ALP3E is housed in a compact, RoHS-compliant 16-lead lead frame chip scale package (LFCSP), measuring 3 mm × 3 mm with an 0.85 mm height. This surface-mount package is optimized for board space efficiency and thermal performance.
HMC424ALP3E Series
| HMC424ALP3E | HMC424ALP3ETR |
Why Source HMC424ALP3E from Perceptive Components?
Choosing Perceptive Components as your supply chain partner provides distinct advantages:
Inventory Stability: We maintain massive stock levels for both active and hard-to-find components, ensuring the HMC424ALP3E is available when you need it.
Quality Assurance: All components undergo rigorous inspection processes to guarantee 100% authenticity and performance.
Global Logistics: We provide fast, reliable global shipping solutions for customers worldwide.
Competitive Pricing: Direct sourcing capabilities allow us to provide the most competitive market pricing for the HMC424ALP3E.
Alternatives for HMC424ALP3E
Selecting the right replacement for the HMC424ALP3E is critical, as its broadband performance and high input linearity are essential for achieving robust signal chain integrity. If you are experiencing supply constraints or are looking for modern alternatives, consider these options:
HMC424LP3E (Legacy Version): The HMC424LP3E is an excellent choice if your design is already optimized for the legacy package footprint. It maintains the same broadband frequency coverage and high attenuation accuracy as the ALP3E version.
HMC1119LP4ME (High-Performance Digital Attenuator): For designs requiring enhanced flexibility or integration within modern, high-density RF systems, the HMC1119LP4ME is a powerful choice. While it utilizes a different internal topology, it is engineered for high-precision performance and provides excellent insertion loss and linearity characteristics across a wider frequency range.
If you are facing lead time issues, contact Perceptive Components for recommended drop-in replacements.
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Download Full Technical HMC424ALP3E Datasheet (PDF)
Click the link above to access the official datasheet, including detailed PCB layout recommendations, performance curves, and complete electrical characteristics.
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