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BT8916A2 DataSheet - Wireless MIC.pdf

CPU and Flexible IO

High performance 32bit RISC-V processor Core with DSP instruction 

RISC-V typical speed: 125MHz 

Program memory: internal 4M bit flash 

Internal 256KB RAM for data and program

Flexible GPIO pins with Programmable pull-up and pull-down resistors 

Support GPIO wakeup or interrupt

2.4GHz Wireless RF

2.4GHz RF transceiver embedded, working in worldwide 2.4 GHz ISM band. 

2.4 GHz proprietary 2Mbps mode with Adaptive Frequency Hopping feature support 

RX sensitivity: -93dBm @ 2Mbps 

TX output power: up to +9 dBm 

50 Ω matched single-pin antenna interface;

RSSI monitoring with ±1 dB resolution; 

Auto acknowledgement, retransmission and flow control;

Audio Interface

High performance mono DAC with 98.8dB SNR, support single end mode or differential mode; 

High performance stereo ADC with 90dB SNR; 

One channel MIC amplifier input; 

Support flexible audio EQ adjust; 

Support Sample rate 8, 11.025, 12, 16, 22.05, 32, 44.1 and 48KHz;

Four channels Stereo Analog MUX

Package

QFN20

Temperature

Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;