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Bluetrum AB5656D is a high-performance chip suitable for Bluetooth 6.0 surround sound headphones.

AB5656D Product Features

High-performance processor: Uses a high-performance 32-bit RISC-V processor core with a main frequency of 125MHz and DSP instructions for efficient audio data processing.

Large Storage Capacity: Built-in 2Mbit flash memory and 113KB RAM to meet audio data storage and processing requirements.

Flexible IO Interfaces: Features flexible GPIO pins with programmable pull-up and pull-down resistors, enabling easy connection to peripheral devices, and supports GPIO wake-up or interrupt functionality.

Low-Power Design: Balances high performance with low-power consumption to extend headphone battery life.

High signal-to-noise ratio audio performance: Equipped with high-performance mono audio ADC (94dB SNR) and surround sound audio DAC (102dB SNR), paired with headphone amplifier output, ensuring clear and pure sound quality.

The technical parameters of AB5656D are as follows:

Bluetooth protocol: Supports Bluetooth 6.0 specifications

Operating frequency: Supports standard Bluetooth frequency bands  

Transmit power: Maximum +9dBm  

Receive sensitivity: -91.7dBm at basic rate, -94.2dBm at EDR.  

Audio interface: Supports 16-bit stereo DAC and 16-bit mono ADC, supports flexible audio equalizer adjustment, and supports multiple sampling rates.

Package type: QFN20

Operating temperature range: -40°C to 85°C

The AB5656D is mainly used in TWS true wireless surround sound headphones, head-mounted headphones, Bluetooth speakers, and other audio devices to provide users with a high-quality audio experience.

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.