HMC557LC4

RF Mixers Overview

The HMC557LC4 is a wideband passive fundamental mixer manufactured by Analog Devices Inc. utilizing GaAs technology. It operates within a frequency range of 2.5 GHz to 7 GHz and is housed in a 24-CQFN (4x4 mm) surface-mount package. The device features a noise figure of 8.5 dB and a maximum power dissipation of 339 mW. It supports an operating temperature range from -40 °C to +85 °C and is RoHS compliant.

RF Mixers Feature Summary

• Wideband fundamental mixing capability across the 2.5 GHz to 7 GHz spectrum
• Compact 24-lead CQFN surface-mount package design for space-constrained applications
• GaAs semiconductor technology ensuring reliable RF performance

RF Mixers Applications

• WiMax communication systems
• General purpose up/down conversion circuits
• Wireless infrastructure equipment

RF Mixers Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm that the received part matches the specific HMC557LC4 designation and packaging format. Check for compliance with current environmental regulations such as RoHS standards before integration into final assemblies.

RF Mixers Selection Notes

Select this component when a wideband passive mixer is required for frequencies between 2.5 GHz and 7 GHz. The 24-CQFN package suits designs needing compact footprints. Ensure thermal management accounts for the 339 mW power dissipation limit and verify that the 8.5 dB noise figure meets system sensitivity requirements.

RF Mixers Part Context

This part belongs to the HMC557 series of RF mixers from Analog Devices. It shares core functional specifications with variants like the HMC557ALC4 but differs in physical packaging, specifically using the 24-CQFN form factor instead of CLCC. The series targets high-frequency wireless applications requiring broad bandwidth.

RF Mixers Replacement Considerations

The HMC557ALC4 serves as a related variant within the same product family. While it shares similar electrical characteristics and frequency ranges, it utilizes a 24-CLCC package rather than the CQFN form factor. Verify pinout compatibility and mechanical fit before substitution.