Dual voice region NR / EC Microphone

Dual voice region NR / EC Microphone
  1. A. Transducer: MEMS
  2. B. Operating Temp Range: -40℃~ +85℃
  3. C. Storage temp range: -40℃-~+90℃
  4. D. Output impedance Max: 1k ohms
  5. E. Sensitivity: -10±3dB @F=1KHZ,94dBSPL
  6. F. Direction: Uni-directional
  7. G. Frequency response: 100(+/-10%)~10,000(+/-1%)HZ
  8. H. Operation voltage: 5V~12.0V±10%
  9. I. Working current Min: 100mA Max:300mA
  10. J. S/N ratio: Min 60dB @ F= 1kHz, 94dBSPL(A)
  11. K. Feedback: MAX IN >1V Vpp
  12. L. THD: <1% @F=1KHZ,94dBSPL
  13. M. MAX input s.p.l: >110dB
  14. N. MAX feedback1 /feedback2 input: 0.18Vmrs

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PIN1 Feedback 1
PIN2 MIC_OUT1
PIN3 GND
PIN4 IIC_CLK
PIN5 Feedback 2
PIN6 MIC_OUT2
PIN7 VCC
PIN8 IIC_DATA
PIN No. Items DRAWING

 

Dimension

Block diagram

I2C Speed (100kHz).

Function Description

从设备地址 ACK 工作模式编号 工作模式定义
0x44\0x46 0X04 0X00 16K VR
0x44\0x46 0X04 0X01 VR(MUTI-ZONE)
0x44\0x46 0X04 0X02 8K CM (BT)
0x44\0x46 0X04 0X03 8K CM (Carplay)
0x44\0x46 0X04 0X04 8K CM (Carplay)
0x44\0x46 0X04 0X05 16K CM(Carplay)
0x44\0x46 0X04 0X06 24K-SIRI(Carplay)
0x44\0x46 0X04 0X07 24K-FACE TIME(Carplay)

Feedback circuit.(not include in the Microphone module, suggested to add it in GPS section)

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