F4481LKGI8

Overview

The F4481LKGI8 is a radio frequency integrated circuit amplifier manufactured by Renesas Electronics Corporation. It operates within a frequency range of 400 MHz to 1.1 GHz and requires a supply voltage between 3.15 V and 3.45 V. The device features a surface-mount LGA-56 (8x8) package. It is designed for applications including LTE, UMTS, and WCDMA systems.

Feature Summary

• Supports differential input and single-ended output configurations
• Integrates four independent transmit digital variable gain amplifier paths

Applications

• LTE base station transmitter chains
• UMTS wireless communication systems
• WCDMA signal processing modules

Procurement Notes

Verify the exact suffix '8' against official Renesas documentation to confirm pinout and electrical specifications. Ensure the selected distributor provides traceable components with valid RoHS compliance records. Confirm current availability status as supply conditions may vary.

Selection Notes

Select this component when a quad-path VGA architecture is required for multi-standard RF transmitters. Consider the specific 56-LGA thermal dissipation requirements and the narrow supply voltage tolerance during system design.

Part Context

This part belongs to the F4481 series of RF amplifiers from Renesas. It serves as a specialized solution for mobile infrastructure, providing precise gain control across multiple channels in compact form factors suitable for modern cellular equipment.

Replacement Considerations

Consult official Renesas substitution guides for verified alternatives. Do not assume functional equivalence with other series without checking datasheet parameters.