HMC471MS8G

Overview

The HMC471MS8G is a dual-channel SiGe HBT gain block MMIC amplifier manufactured by Analog Devices Inc. It operates from DC to 5 GHz and provides a typical gain of 21 dB with a noise figure of 3.25 dB. The device requires an 8 V supply voltage and draws 80 mA of current. Key performance metrics include a P1dB compression point of 19 dBm, an OIP3 of 34 dBm, and an input return loss of 12 dB. Power dissipation is rated at 2.12 W. It is housed in an 8-MSOP-EP surface-mount package and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Dual-channel architecture utilizing Silicon Germanium Heterojunction Bipolar Transistor technology for integrated signal processing.
• Broadband operational capability spanning from direct current up to 5 gigahertz for versatile RF applications.
• High linearity performance characterized by significant output third-order intercept point and power handling capabilities.

Applications

• Wireless Local Area Network (WLAN) systems
• Point-to-point microwave radio links
• General purpose RF signal chain amplification

Procurement Notes

Verify component authenticity through authorized channels due to End-of-Life status. Confirm specific manufacturing lot dates and compliance documentation against current regulatory requirements. Check for Product Change Notifications regarding any material or process alterations prior to final design integration. Ensure storage conditions meet moisture sensitivity level specifications to prevent package damage during reflow soldering processes.

Selection Notes

Select this component when dual-channel amplification is required within the 0 to 5 GHz frequency range. Consider the 8-MSOP-EP package for space-constrained surface-mount designs. Evaluate thermal management needs given the 2.12 W power dissipation rating. Compare noise figure and linearity specifications against system link budget requirements to ensure adequate signal integrity and dynamic range for the intended application environment.

Part Context

This part belongs to the HMC471 series of dual-channel gain block amplifiers. It represents a specialized silicon germanium heterojunction bipolar transistor monolithic microwave integrated circuit designed for high-performance RF applications. The MSOP-EP package variant offers exposed pad thermal enhancement compared to standard packages, facilitating better heat dissipation for continuous operation in dense electronic assemblies.

Replacement Considerations

The HMC471MS8GE is an equivalent package variant within the same product family. Verify pinout compatibility and electrical parameter tolerances before substitution. No other direct cross-model replacements are publicly confirmed for this specific discontinued part number.