ADA-4543-BLKG

RF Amplifiers Overview

The ADA-4543-BLKG is a wideband low-power RF amplifier IC from Broadcom Limited, designed for general-purpose wireless applications. It operates across an ultra-wide frequency range of 0Hz to 2.5GHz. The device provides a typical gain of 15.1dB with a noise figure of 3.7dB at 900MHz. It features a P1dB compression point of 1.9dBm and an OIP3 of 15dBm. Powered by a supply voltage of 3.1V to 3.8V, it draws a supply current between 10mA and 30mA. The component is housed in a compact SOT-343 (SC-70) surface-mount package.

RF Amplifiers Feature Summary

• Ultra-wideband operation spanning DC to 2.5GHz for versatile signal processing
• Low power consumption suitable for battery-operated mobile devices
• Compact SOT-343 surface-mount package for space-constrained designs

RF Amplifiers Applications

• Mobile phone front-end circuits
• WLAN infrastructure and client devices
• PCS and WLL systems
• ISM band applications

RF Amplifiers Procurement Notes

Verify the obsolete status and End-of-Life (EOL) notification dated December 1, 2017, before procurement planning. Confirm that alternative packaging options or substitute components meet the specific design requirements. Ensure compliance with RoHS standards and check for any recent Product Change Notices affecting assembly or sourcing. Validate pinout compatibility if replacing existing inventory.

RF Amplifiers Selection Notes

Select this component for applications requiring broad frequency coverage from DC to 2.5GHz. Consider the 15.1dB gain and 3.7dB noise figure for sensitive receiver stages. Evaluate the 1.9dBm P1dB limit against input signal levels. The SOT-343 package suits high-density PCB layouts. Verify thermal dissipation capabilities within the 145mW power rating constraints.

RF Amplifiers Part Context

This part belongs to the ADA-4543 series of wideband amplifiers. It is manufactured using Silicon technology. The device is classified under General Purpose Amplifiers within the RF and Wireless category. It serves as a building block for various wireless communication standards including cellular and Wi-Fi.

RF Amplifiers Replacement Considerations

Public confirmed substitute: BGA420H6327XTSA1 (Infineon Technologies).

RF Amplifiers FAQ

What is the operating frequency range?

The device operates from 0Hz to 2.5GHz.

What is the typical supply current?

The supply current ranges from 10mA to 30mA.