DataSheet Download

AB5726A DataSheet - Wireless MIC.pdf

CPU and Flexible IO

Up to 160MHz 32-bit RISC-V CPU with DSP instruction 

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: -95dBm @ 2Mbps 

TX output power: up to +11.5 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 x1: 

-SNR: 122dB with DRE ON 

-SNR: 106dB with DRE OFF 

-DNR: 106dB 

-Sample rate: 8KHz to 384 KHz 

High performance audio ADC x1: 

-SNR: 102dB 

-Sample rate: 8KHz to 384 KHz 

Support one channel single-ended MIC amplifier input, support resistance-free and capless MIC input 

Support flexible audio EQ adjust 

Support Single-MIC AI environment noise cancellation (ENC)

Package

QFN20

Temperature

Operating temperature: -40℃ to +85℃ 

Storage temperature: -65℃ to +150℃