DataSheet Download

BT8972F DataSheet - Wireless MIC.pdf

CPU and Flexible IO

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

RISC-V contains floating point unit(FPU), supports floating point arithmetic 

RISC-V typical speed: 140MHz 

Program memory: internal 16Mbit flash 

Internal 408KB 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: -96dBm @ 2Mbps 

TX output power: up to +12 dBm 

50 Ω matched single-pin antenna interface; 

RSSI monitoring with ±1 dB resolution; 

Auto acknowledgement, retransmission and flow control;

Audio Interface

High performance audio DAC x2: 

-SNR @VCM=0.9V: 122dB with DRE ON 

-SNR @VCM=0.9V: 112dB with DRE OFF 

-DNR @VCM=0.9V: 112dB 

-SNR @VCM=0.6V: 120dB with DRE ON 

-SNR @VCM=0.6V: 109dB with DRE OFF 

-DNR @VCM=0.6V: 109dB 

-Sample rate: 8KHz to 192 KHz 

High performance audio ADC x2: 

-SNR: 105dB 

-Sample rate: 8KHz to 384 KHz

Support 2 channels single-ended or differential MIC amplifier input 

Support flexible audio EQ adjust

Package

QFN32

Temperature

Operating temperature: -40℃ to +85℃ 

Storage temperature: -65℃ to +150℃