HMC451-SX

Overview

The HMC451-SX is a GaAs PHEMT MMIC medium power amplifier from Analog Devices Inc., designed for VSAT and general-purpose RF applications. It operates within a frequency range of 5 GHz to 20 GHz, with testing specified at 15 GHz to 18 GHz. The device provides a typical gain of 22 dB and an output P1dB of 20 dBm. It requires a 5 V supply voltage and draws approximately 114 mA to 127 mA of current. The component features a noise figure of 7 dB and utilizes a die package configuration.

Feature Summary

• Utilizes GaAs PHEMT technology for high-performance monolithic microwave integrated circuit operation
• Engineered as a medium power amplifier suitable for VSAT and general-purpose RF signal chains
• Provides stable amplification across the 5 GHz to 20 GHz operational bandwidth

Applications

• VSAT communication systems
• General-purpose RF signal processing
• Microwave link infrastructure

Procurement Notes

Verify the specific suffix requirements for your design, as the SX designation indicates a bare die format distinct from packaged variants like the LP3. Confirm availability status directly with authorized distributors, as stock levels for this specific die configuration may fluctuate. Ensure your PCB layout supports direct die attachment or appropriate carrier substrates compatible with the HMC451-SX specifications.

Selection Notes

Select the HMC451-SX when a bare die solution is required for space-constrained or custom substrate designs. Compare its 20 dBm output power and 22 dB gain against other family members to ensure it meets the specific linearity and efficiency targets of your application. Consider thermal management requirements associated with the die package versus standard surface-mount options.

Part Context

This component belongs to the HMC451 series of GaAs PHEMT MMICs manufactured by Analog Devices Inc. The series includes various packaging options such as the HMC451 (die), HMC451LP3 (QFN-16), and HMC451E. The HMC451-SX specifically denotes the die version intended for integration into custom assemblies or specialized carriers rather than standard off-the-shelf surface mount applications.

Replacement Considerations

The HMC451 (bare die) serves as a functional equivalent within the same product family. For packaged alternatives requiring identical electrical performance, consider the HMC451LP3 or HMC451LP3E, which offer QFN-16 packaging while maintaining similar gain and power characteristics.