The BTM920 stereo audio module is a Bluetooth v5.0 (BDR/EDR) audio module for designers to add wireless audio
and voice applications to their products. This Bluetooth SIG-certified module provides a complete wireless solution
with Bluetooth stack, integrated antenna, and worldwide radio certifications in a compact surface mount package.
This stereo module contains a built-in Li-Ion charger . It supports HSP, HFP, SPP, A2DP, and AVRCP profiles. Both
AAC and SBC Codecs are supported for A2DP.
Note: The customers must connect their own external analog Codec/DSP/amplifier and MCU for audio output.
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Features
• Qualified for Bluetooth v5.0 Specification
– HFP v1.6, HSP v1.1, A2DP v1.2, AVRCP v1.5, SPP v1.0, PBAP v1.0
– Bluetooth Classic, Basic Rate/Enhanced Data Rate (BDR/EDR)
• On-Board Embedded Bluetooth Stack
• Easy to Configure with Windows Graphical User Interface (GUI) or Direct by Microcontroller Unit (MCU)
• Compact Surface Mount Module:
– 29 x 15 x 2.5 mm
– Castellated surface mount pads
• Integrated 3V and 1.8V Configurable Switching Regulator and LDO
• Built-in Lithium-ion Battery Charger (up to 350 mA)
• Built-in ADC for Battery Monitor and Voltage Sense
• Audio-In/Out
– BTM920 supports analog audio output
• Transparent Universal Asynchronous Receiver/Transmitter (UART) Mode for Seamless Serial Data Over UART
Interface
• Integrated Crystal Oscillator and Matching Circuitry
• Secure AES128 Encryption
Applications
Bluetooth Sound Bar
Bluetooth Stereo Speaker Phone |
 DataSheet Download
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