BM23SPKS1NB9-0001AA

RF Transceiver Modules And Modems Overview

The BM23SPKS1NB9-0001AA is a Bluetooth v4.1 RF transceiver module manufactured by Microchip Technology, designed for surface mount applications. It operates within a 3V to 4.2V supply voltage range and features an integrated trace antenna. The module supports serial interfaces including I2S and UART, facilitating audio data transmission. Key electrical specifications include a transmit power of 4dBm and a receiver sensitivity of -91dBm at the standard 2.4GHz frequency. The component is housed in a 43-SMD package and is rated for operation between -20°C and 70°C.

RF Transceiver Modules And Modems Feature Summary

• Integrated Bluetooth v4.1 stack with built-in antenna
• Supports I2S and UART serial communication protocols
• Designed for stereo audio wireless transmission

RF Transceiver Modules And Modems Applications

• Wireless stereo audio headsets
• Bluetooth-enabled speaker systems
• Portable audio streaming devices

RF Transceiver Modules And Modems Procurement Notes

This specific part number is officially classified as obsolete and no longer manufactured by Microchip Technology. Procurement should focus on verified direct replacement models available from authorized distributors. Verify that the substitute module matches the required interface and form factor before integration into existing designs.

RF Transceiver Modules And Modems Selection Notes

Engineers selecting this component must account for its discontinued status. The primary selection criterion is identifying a compatible successor within the BM23 family that maintains the same pinout and functional requirements. Ensure the replacement supports the necessary Bluetooth version and audio interface standards for the target application.

RF Transceiver Modules And Modems Part Context

This module belongs to the BM23 series of Bluetooth stereo audio modules from Microchip Technology. These modules are engineered to provide a complete wireless solution by integrating the Bluetooth stack, baseband processing, and antenna into a single compact surface-mount device. The series targets high-quality audio transmission applications requiring reliable connectivity.

RF Transceiver Modules And Modems Replacement Considerations

The direct replacement part number is BM23SPKS1NB9-0B02AA. This substitute utilizes a newer Bluetooth System-on-Chip (SoC) while maintaining compatibility with the original module's footprint and functionality. Migration to this updated version is recommended to ensure long-term supply availability.