DataSheet Download

图片关键词AB5732E 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 300KB RAM for data and program 

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

Support GPIO wakeup or interrupt 

TDNN_Accelerator for KWS

RDFT & MATIX_Accelerator for AI ENC/AI AEC

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: 112dB with DRE OFF 

-DNR: 112dB 

-Sample rate: 8KHz to 384 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 resistance-free and capless MIC input 

Support flexible audio EQ adjust 

Support feedforward active adaptive noise cancellation (FF ANC) 

Support 2 MIC DNN environment noise cancellation (ENC)

Package

QFN32 4*4

Applications

Wireless Microphone


  • CPU: RISC-V + DSP扩展 (160MHz)
  • 封装: QFN32
  • 蓝牙协议: 2.4GHz Wireless RF
  • Flash: 4 Mbit
  • 内置充电: 支持