HMC-AUH256-SX

Overview

The HMC-AUH256-SX is a GaAs MMIC HEMT four-stage driver amplifier manufactured by Analog Devices Inc. It operates within the W-band frequency range of 17.5 GHz to 40 GHz, with testing specified up to 41 GHz. The device provides a typical gain of 21 dB and delivers an output power at 1 dB compression (P1dB) of 20 dBm. Key performance metrics include an Output IP3 of 27 dBm and an input return loss of 8 dB. Electrical requirements consist of a supply voltage of 5 V and a supply current of 295 mA. The component is supplied in a die package format.

Feature Summary

• Four-stage GaAs HEMT architecture designed for high-performance wideband amplification
• Optimized for driver applications in millimeter-wave signal chains
• Capable of operation across the 17.5 GHz to 40 GHz frequency spectrum

Applications

• VSAT communication systems
• Point-to-point microwave links
• Millimeter-wave test and measurement equipment

Procurement Notes

Verify the specific datasheet revision and electrical characteristics against the official Analog Devices documentation prior to integration. Confirm that the die-level packaging requires appropriate handling protocols during assembly. Ensure the design supports the required 5V supply and thermal management for the specified current draw. Cross-reference pinout and footprint details with the manufacturer's mechanical drawing to guarantee compatibility with the intended substrate or carrier board.

Selection Notes

Select this component when a high-gain, wideband driver amplifier is required for frequencies exceeding 17 GHz. The device is suitable for applications demanding significant output power density in a compact form factor. Consider the die-package nature of the unit, which necessitates custom mounting solutions compared to standard surface-mount packages. Evaluate the 295mA supply current requirement against the system's power budget constraints.

Part Context

This part belongs to the HMC-AUH256 series of GaAs MMICs from Analog Devices. It is specifically engineered as a driver amplifier for W-band applications. The -SX suffix typically denotes a specific tape-and-reel or waffle-pack configuration for die components, though the physical form remains a bare die. It serves as a critical active element in high-frequency RF front-ends where linear performance and gain are paramount.

Replacement Considerations

HMC962LC4TR

FAQ

What is the maximum operating frequency of the HMC-AUH256-SX?

The amplifier covers a frequency range of 17.5 GHz to 40 GHz, with testing performed up to 41 GHz.

What type of technology is used in this amplifier?

The HMC-AUH256-SX utilizes Gallium Arsenide (GaAs) HEMT technology.