ADA-4643-TR1

RF Amplifiers Overview

The Broadcom ADA-4643-TR1 is a single-channel bipolar RF amplifier designed for surface-mount applications. It operates with a maximum frequency of 2.5 GHz and features a typical power gain of 17.5 dB. The device exhibits a typical noise figure of 4 dB and delivers a typical output power of 14.7 dBm. It functions within a supply voltage range of 3.2 V to 3.9 V and supports a maximum operating temperature of +150 °C. The component is housed in a compact SOT-343 package measuring 2.25 x 1.35 x 1 mm, utilizing four pins for connectivity.

RF Amplifiers Feature Summary

• Integrates high power gain and low noise characteristics suitable for RF signal amplification
• Utilizes a compact SOT-343 surface-mount package for efficient board space utilization
• Operates reliably across an extended industrial temperature range up to +150 °C

RF Amplifiers Applications

• RF signal amplification in wireless communication systems
• Integration into mobile device front-end modules
• General-purpose RF circuit design requiring compact packaging

RF Amplifiers Procurement Notes

Verify the specific suffix TR1 against official documentation to confirm tape-and-reel packaging configuration. Ensure compatibility with standard SOT-343 footprint dimensions during PCB layout. Cross-reference electrical parameters with the latest datasheet to validate performance under intended operating conditions.

RF Amplifiers Selection Notes

Select this component when a small form factor is required alongside moderate RF gain and noise performance. The SOT-343 package suits designs with strict spatial constraints. Evaluate thermal management requirements given the high maximum operating temperature rating. Confirm that the 3.2 V to 3.9 V supply range aligns with system power architecture.

RF Amplifiers Part Context

This part belongs to the Broadcom ADA series of bipolar RF amplifiers. These components are engineered for high-frequency applications requiring reliable signal processing. The series emphasizes integration and efficiency within limited physical spaces, catering to modern electronic device miniaturization trends.

RF Amplifiers Replacement Considerations

Consult official substitution lists for verified alternatives. Generic replacements may not match the specific SOT-343 pinout or electrical characteristics.