HMC557

RF Mixers Overview

The HMC557 is a fundamental RF mixer manufactured by Analog Devices Inc., designed for operation within the 2.5 GHz to 7.5 GHz frequency range. It utilizes GaAs technology and is housed in a Chip package with SMD/SMT installation style. The component features a maximum conversion loss of 10.5 dB and a noise figure of 10.5 dB. It supports an operating temperature range from -55°C to +85°C, with a power dissipation rating of 492 mW. This product is currently discontinued.

RF Mixers Feature Summary

• Double-balanced mixer architecture
• GaAs semiconductor technology
• RoHS-compliant ceramic leadless chip carrier

RF Mixers Applications

• Radar systems
• WiMax communications
• Wireless infrastructure

RF Mixers Procurement Notes

Verify current availability status as the HMC557 is listed as discontinued or obsolete by the manufacturer. Check for end-of-life notifications or formal discontinuance documentation from Analog Devices. Confirm that any available stock is genuine and stored under appropriate conditions. Evaluate alternative components if long-term supply stability is required for production. Ensure compliance with RoHS regulations before integration.

RF Mixers Selection Notes

Select this component only if its specific 2.5-7.5 GHz fundamental mixing capability matches the design requirements. Consider the higher noise figure compared to newer models when evaluating system sensitivity. Verify that the Chip package format fits the PCB layout constraints. Assess the impact of the discontinued status on future maintenance and support needs.

RF Mixers Part Context

The HMC557 belongs to the Hittite Microwave (HMC) product line acquired by Analog Devices. It serves as a general-purpose double-balanced mixer. The series includes variants like the HMC557A, which offers similar functionality in a 24-terminal LCC package. These devices are part of the broader wireless and RF integrated circuits portfolio.

RF Mixers Replacement Considerations

The HMC557ALC4 is a confirmed substitute part number. It shares the same basic product ID but differs in packaging and some electrical parameters. Review datasheet differences carefully before substitution.