Microchip BM23SPKA1NB9-0001AA Bluetooth Chip 4.1

  • RS-stocknr. 905-3148
  • Fabrikantnummer BM23SPKA1NB9-0001AA
  • Fabrikant Microchip
Wetgeving en compliance

BM23 Bluetooth 4.1 Stereo Audio Module

The Microchip BM23 is a fully certified Bluetooth v4.1 (BDR/EDR) module designed for Stereo Audio applications. The module incorporates a complete Bluetooth stack and integrated antenna into a small form factor.

The BM23 supports HSP, HFP, SPP, A2DP, and AVRCP profiles with AAC and SBC codecs supported for A2DP. The transparent UART interface allows for a simple interface with a host Microcontroller.

Two versions are available, the BM23SPKS1NB9 with shield and the BM23SPKA1NB9 unshielded variant.


Complete, fully certified, Embedded 2.4 GHz Bluetooth® v4.1 Module
Bluetooth Classic (BDR/EDR)
Bluetooth SIG Certified
On-board embedded Bluetooth Stack
Transparent UART mode for seamless serial data over UART Interface
Easy to configure with Windows GUI or direct by a Microcontroller
Firmware field upgradable via UART
Compact surface mount module: 29 x 15 x 2.5 mm3
Castellated surface mount pads for easy and reliable host PCB mounting
Internal Battery Regulator Circuitry
Worldwide regulatory certifications
Supports digital audio I2S format


For audio output an external analogue CODEC/Digital Signal Processor/Amplifier and Microcontroller is required.

Bluetooth - Microchip

Kenmerk Waarde
Bluetooth Class Class 2
Bluetooth Version 4.1
Maximum Output Power +4dBm
Receiver Sensitivity -91dBm
Supported Bus Interfaces UART
Supported I/O Interfaces Serial
Dimensions 29 x 15 x 2.5mm
Height 2.5mm
Length 29mm
Maximum Operating Temperature +70°C
Minimum Operating Temperature -20°C
Width 15mm
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