LMX5453SM/NOPB

RF Transceiver ICS Overview

The LMX5453SM/NOPB is a highly integrated Bluetooth 2.0 micro-module from Texas Instruments, combining a baseband controller and radio in a single package. It operates at the 2.4GHz frequency band with a maximum data rate of 12Mbps. The device supports Class 2 power operation and features an operating supply voltage typically around 2.75V. It includes 200kB ROM and 16.6kB RAM for internal memory storage. The component utilizes a 60-pin LFBGA package and supports serial interfaces including JTAG, SPI, UART, and USB.

RF Transceiver ICS Feature Summary

• Highly integrated Bluetooth 2.0 baseband controller and radio solution
• Supports eSCO and eSCO over USB HCI transport protocols
• Drop-in replacement for the LMX5452 with enhanced feature set

RF Transceiver ICS Applications

• Mobile handsets
• USB dongles

RF Transceiver ICS Procurement Notes

Verify the exact package type and pin count against the official datasheet before integration. Confirm that the specific revision matches your design requirements. Ensure compatibility with existing firmware architectures when replacing previous models like the LMX5452. Check for any specific ordering suffixes that may affect functionality or availability.

RF Transceiver ICS Selection Notes

Select this component for applications requiring a compact, integrated Bluetooth 2.0 solution. Consider its Class 2 power class for moderate range requirements. Evaluate the available memory sizes against application needs. Verify interface compatibility with host systems supporting JTAG, SPI, UART, or USB connections.

RF Transceiver ICS Part Context

This part belongs to Texas Instruments' Bluetooth micro-module family. It serves as an upgraded version of the LMX5452, offering additional protocol support. The module is designed for space-constrained portable devices requiring reliable wireless connectivity without complex external RF circuitry.

RF Transceiver ICS Replacement Considerations

The LMX5453 is documented as a drop-in replacement for the LMX5452. Verify pin-to-pin compatibility and ensure that the new eSCO features are supported by the host system firmware.