BT8918B中文资料智能穿戴数据手册Bluetrum规格书

特性 Features

CPU and Flexible IO

32bit High performance CPU with DSP instruction 
Program memory: internal 16M bit flash 
Flexible GPIO pins with Programmable pull-up and pull-down resistors; 
Support GPIO wakeup or interrupt;

Bluetooth Radio
Compliant to Bluetooth 5.2 and BLE specification (QDID: 166851); 
TX output power MAX +9dBm; 
RX Sensitivity with -94dBm @2M EDR; 
Support TWS communication with balance-efficiency Power consumption; 
Support TWS Master-slave switch;


Audio Interface

High performance stereo DAC with 98dB SNR, support single end mode or differential mode; 
One channel high performance 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 channel Stereo Analog MUX;

Package
QFN40;

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