HMC482ST89

Overview

The HMC482ST89 is a SiGe HBT gain block MMIC amplifier covering DC to 5 GHz. It features 19 dB gain, 4 dB noise figure, and 22.5 dBm P1dB. Operating at 8 V with 110 mA current, it delivers 36 dBm OIP3. Packaged in SOT-89-3, it supports -40°C to +85°C operation.

Feature Summary

• Utilizes SiGe HBT technology for high-performance RF amplification across DC to 5 GHz.
• Provides stable 19 dB gain with low noise figure suitable for signal chain applications.
• Offers high linearity with 36 dBm output third-order intercept point.

Applications

• RF/IF gain stages
• Wireless communication systems
• Test and measurement equipment

Procurement Notes

Verify component authenticity through authorized channels due to discontinuation status. Confirm package integrity and pin alignment against datasheet specifications. Check for obsolescence notices from Analog Devices prior to final design approval.

Selection Notes

Select this component for wideband DC-to-5 GHz applications requiring moderate gain and high linearity. Compare power consumption and noise performance against alternatives if lower supply voltage or higher gain is required.

Part Context

Part of the HMC482 series, designed as a versatile gain block MMIC. The ST89 suffix indicates surface mount packaging in an industry-standard SOT-89 footprint, facilitating easy integration into compact RF circuits.

Replacement Considerations

HMC482ST89E is the RoHS-compliant version of this component. Verify lead-free solder compatibility and environmental compliance requirements when substituting.