HMC452ST89TR

Overview

The HMC452ST89TR is a GaAs InGaP HBT MMIC power amplifier operating from 0.4 to 2.2 GHz. It delivers 1 Watt output power with 22.5 dB gain and a 7 dB noise figure. The device requires a 5V supply voltage and draws 485 mA of current. Key performance metrics include a P1dB of 31 dBm. It is designed for high dynamic range applications in RF systems.

Feature Summary

• High dynamic range GaAs InGaP HBT technology
• Integrated MMIC power amplifier design
• Wideband operation covering 0.4 to 2.2 GHz

Applications

• CDMA systems
• GSM infrastructure
• WCDMA base stations

Procurement Notes

Verify the specific suffix (e.g., TR vs E) against the official datasheet to ensure correct packaging and electrical tolerances. Confirm the manufacturer source, as Hittite was acquired by Analog Devices. Ensure the component status is active before procurement planning.

Selection Notes

Select this component for wideband power amplification needs between 400 MHz and 2.2 GHz. Consider the 5V supply requirement and 485 mA current draw for power budgeting. The SOT-89 package suits surface-mount designs requiring moderate power handling.

Part Context

This part belongs to the HMC452 series of high-power MMICs. It utilizes InGaP HBT technology for improved linearity and efficiency compared to standard GaAs. The ST89 designation indicates the specific SOT-89-3 package configuration used for thermal management and RF performance.

Replacement Considerations

The HMC452ST89E is a related variant within the same family. Verify if the 'E' suffix denotes a different tape-and-reel specification or minor parameter tolerance rather than a functional change. Cross-reference pinouts and thermal characteristics when substituting.