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AB5716F is Bluetrum's new generation of Bluetooth audio SoC designed specifically for TWS earphones. It is manufactured using an advanced 40nm process and integrates a 32-bit RISC-V+DSP dual-core architecture, supporting Bluetooth 6.0 (compatible with 5.4+BR/EDR/BLE) protocols. This chip is designed for mid- to high-end TWS earphones and features ultra-low power consumption, high-definition sound quality, and intelligent noise reduction.

AB5716F Core Features

High-performance audio processing

Built-in 32-bit RISC-V main controller + DSP coprocessor, operating at 160MHz

Supports AAC/SBC/LC3+ audio decoding

Integrated Hi-Fi-grade DAC with a signal-to-noise ratio of 106dB

Bluetooth 6.0 dual-mode connectivity

Supports Bluetooth 5.4+BR/EDR/BLE multi-mode protocols

Provides a gaming mode (minimum 48ms latency)

Transmit power +10dBm, receive sensitivity -95dBm

Smart noise cancellation system  

Hybrid active noise cancellation (Hybrid ANC)  

Noise cancellation depth up to 40dB  

Supports adaptive environmental noise cancellation

AB5716F Technical Specifications  

Processor: 32-bit RISC-V processor, supports DSP instructions, maximum operating frequency 140MHz

Memory: Built-in 8Mbit flash memory and 280KB RAM

GPIO pins: Flexible GPIO pins with programmable pull-up and pull-down resistors, supporting GPIO wake-up or interrupt

Bluetooth performance: Maximum transmit output power +9dBm, receive sensitivity -94.5dBm @ 2M EDR, supports TWS communication and master/slave switching

Audio Interface: High-performance mono DAC with a signal-to-noise ratio of 103dB, supporting differential mode and VCMBUF mode; high-performance stereo ADC with a signal-to-noise ratio of 100dB; supports two MIC amplifier inputs and multiple audio sampling rates  

Package Type: QFN20 (3×3mm)  

Operating Temperature Range: -40°C to 85°C

Applications

The AB5716F is primarily used in TWS earbuds.

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