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Bluetrum AB5716A is a high-performance Bluetooth audio SoC chip specifically designed for TWS earbuds. The chip is based on a 32-bit RISC-V processor, supports Bluetooth 6.0 + BR + EDR + BLE specifications, and integrates a high-performance DAC/ADC, making it ideal for low-power wireless audio devices such as TWS earbuds and Bluetooth speakers.

Core Features — AB5716A

1. High-Performance Audio Processing

32-bit RISC-V core with a maximum operating frequency of 140MHz, supporting DSP instruction sets to run complex audio algorithms (such as ANC and EQ adjustment).

High-fidelity audio output:

Mono DAC with a signal-to-noise ratio (SNR) of up to 103dB, supporting differential/VCMBUF modes.

Stereo ADC with a signal-to-noise ratio of 100dB, supporting sampling rates from 8 to 192kHz, compatible with multiple audio formats.  

2. Advanced Wireless Connectivity  

Bluetooth 6.0 compatible, supporting TWS master/slave switching for stable connections.  

High-sensitivity reception (-94.5dBm @2M EDR) and +9dBm transmission power, suitable for complex environments.

3. Intelligent noise reduction and voice enhancement

Dual MIC DNN environmental noise cancellation (ENC) improves call clarity.

Feedforward active noise cancellation (FF ANC) effectively suppresses environmental noise.

4. Low power consumption design

Optimised power management extends earphone battery life.

Standby current as low as µA level, supports GPIO wake-up.

5. Flexible Interface and Packaging  

2-channel MIC amplifier inputs support multi-microphone arrays.  

QFN20 packaging (3×3mm) is suitable for compact TWS earbud designs.  

Typical Applications — AB5716A  

TWS True Wireless Earbuds  

Bluetooth Neckband Earbuds  

Wireless Gaming Earbuds  

Smart Voice Assistant Devices  

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