HMC453ST89TR

Overview

The HMC453ST89TR is a medium power amplifier manufactured by Analog Devices under the Hittite brand. It utilizes InGaP HBT technology and operates within a frequency range of 400 MHz to 2.2 GHz. The device provides a gain of 20.5 dB with a P1dB output power of 32.5 dBm. It features a noise figure of 9 dB and requires a 5 V supply voltage. This component is packaged in an SOT-89 form factor.

Feature Summary

• Utilizes InGaP HBT technology for robust performance
• Operates across a wide band from 400 MHz to 2.2 GHz
• Delivers high output power at 32.5 dBm

Applications

• CDMA systems
• GSM infrastructure
• WCDMA applications

Procurement Notes

Verify the manufacturer status carefully, as official documentation indicates this part is End-of-Life (EOL) and subject to obsolescence. Confirm availability through authorized distributors or secondary market suppliers. Ensure that any sourced units are genuine components from Analog Devices/Hittite. Check for specific lot codes or date codes if long-term reliability is required. Validate packaging integrity upon receipt.

Selection Notes

Select this component for designs requiring medium power amplification in the sub-2.2 GHz range. Consider the 5V supply requirement and SOT-89 package constraints during PCB layout. Evaluate thermal management needs due to the 32.5 dBm output capability. Compare against newer alternatives if long-term supply chain stability is a critical project requirement.

Part Context

This amplifier belongs to the Hittite family of RF wireless integrated circuits. It is designed for cellular base station and mobile communication applications. The InGaP HBT process offers a balance of linearity and efficiency suitable for CDMA, GSM, and WCDMA standards.