USB声卡产品白皮书

**目 录**

1. 产品概述
2. 产品规格
	2.1 产品特性
	2.2 硬件接口说明
	2.3 结构尺寸
	2.4 电气信息
3. 典型应用场景
4. 订货信息

# 1.产品概述

支持线性4麦、线性6麦、环形6麦录音，```不含软件算法```。

![C:\Users\fjyu2\Desktop\微信图片_20230515145625.jpg微信图片_20230515145625](/media/202305//1684736984.3148499.jpeg)
 <center>图1  USB声卡实物图</center>

# 2.产品规格

## 2.1 产品特性

* UAC1.0协议
* 支持Windows、Linux、Android系统
* 支持线性4麦、线性6麦、环形6麦
* 2路回采信号
* 音频格式：采样率16KHz，编码格式16-bit 小端序short类型PCM；其中CH3 ~ CH6为线性4麦通道，CH1 ~ CH6为线性6麦以及环形6麦通道；CH7 ~ CH8为回采参考信号通道
* 线阵阵列MIC间距35mm
* 环形阵列MIC半径35mm

## 2.2 硬件接口说明

![C:\Users\fjyu2\Desktop\声卡原理图.jpg声卡原理图](/media/202305//1684736984.3221927.jpeg)

<center>图2 USB声卡接口示意图</center>

<table style="width: 100%; border-collapse: collapse; margin: 0; padding: 0;">
    <colgroup>
        <col style="width: 5%;">
        <col style="width: 10%;">
        <col style="width: 5%;">
        <col style="width: 15%;">
        <col style="width: 15%;">
    </colgroup>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px;"><b>序号</b></td>
        <td style="border: 1px solid #ddd; padding: 4px;"><b>功能说明</b></td>
        <td style="border: 1px solid #ddd; padding: 4px;"><b>PIN</b></td>
        <td style="border: 1px solid #ddd; padding: 4px;"><b>PIN脚定义</b></td>
        <td style="border: 1px solid #ddd; padding: 4px;"><b>定义说明</b></td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td rowspan="8" style="border: 1px solid #ddd; padding: 4px; text-align: center;">①</td>
        <td rowspan="8" style="border: 1px solid #ddd; padding: 4px;">调试串口接口</td>
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">1</td>
        <td style="border: 1px solid #ddd; padding: 4px;">GND</td>
        <td style="border: 1px solid #ddd; padding: 4px;">USART地</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">2</td>
        <td style="border: 1px solid #ddd; padding: 4px;">USART_TX</td>
        <td style="border: 1px solid #ddd; padding: 4px;">USART数据发送口</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">3</td>
        <td style="border: 1px solid #ddd; padding: 4px;">USART_RX</td>
        <td style="border: 1px solid #ddd; padding: 4px;">USART数据接收口</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">4</td>
        <td style="border: 1px solid #ddd; padding: 4px;">DV33</td>
        <td style="border: 1px solid #ddd; padding: 4px;">3.3V电源</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">5</td>
        <td style="border: 1px solid #ddd; padding: 4px;">SWCLK</td>
        <td style="border: 1px solid #ddd; padding: 4px;">SWD时钟线</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">6</td>
        <td style="border: 1px solid #ddd; padding: 4px;">GND</td>
        <td style="border: 1px solid #ddd; padding: 4px;">串口地</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">7</td>
        <td style="border: 1px solid #ddd; padding: 4px;">SWDIO</td>
        <td style="border: 1px solid #ddd; padding: 4px;">SWD数据线</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">8</td>
        <td style="border: 1px solid #ddd; padding: 4px;">NJRST</td>
        <td style="border: 1px solid #ddd; padding: 4px;">复位</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td rowspan="4" style="border: 1px solid #ddd; padding: 4px; text-align: center;">②</td>
        <td rowspan="4" style="border: 1px solid #ddd; padding: 4px;">wafer USB接口</td>
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">9</td>
        <td style="border: 1px solid #ddd; padding: 4px;">VBUS</td>
        <td style="border: 1px solid #ddd; padding: 4px;">USB电源</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">10</td>
        <td style="border: 1px solid #ddd; padding: 4px;">DM</td>
        <td style="border: 1px solid #ddd; padding: 4px;">USB信号负</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">11</td>
        <td style="border: 1px solid #ddd; padding: 4px;">DP</td>
        <td style="border: 1px solid #ddd; padding: 4px;">USB信号正</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">12</td>
        <td style="border: 1px solid #ddd; padding: 4px;">GND</td>
        <td style="border: 1px solid #ddd; padding: 4px;">电源地</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td rowspan="5" style="border: 1px solid #ddd; padding: 4px; text-align: center;">③</td>
        <td rowspan="5" style="border: 1px solid #ddd; padding: 4px;">micro USB接口</td>
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">13</td>
        <td style="border: 1px solid #ddd; padding: 4px;">GND</td>
        <td style="border: 1px solid #ddd; padding: 4px;">电源地</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">14</td>
        <td style="border: 1px solid #ddd; padding: 4px;">NC</td>
        <td style="border: 1px solid #ddd; padding: 4px;">空PIN脚</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">15</td>
        <td style="border: 1px solid #ddd; padding: 4px;">DP</td>
        <td style="border: 1px solid #ddd; padding: 4px;">USB信号正</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">16</td>
        <td style="border: 1px solid #ddd; padding: 4px;">DM</td>
        <td style="border: 1px solid #ddd; padding: 4px;">USB信号负</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">17</td>
        <td style="border: 1px solid #ddd; padding: 4px;">VBUS</td>
        <td style="border: 1px solid #ddd; padding: 4px;">USB电源</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td rowspan="4" style="border: 1px solid #ddd; padding: 4px; text-align: center;">④</td>
        <td rowspan="4" style="border: 1px solid #ddd; padding: 4px;">独立电源接口</td>
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">18</td>
        <td style="border: 1px solid #ddd; padding: 4px;">VBUS</td>
        <td style="border: 1px solid #ddd; padding: 4px;">独立电源</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">19</td>
        <td style="border: 1px solid #ddd; padding: 4px;">VBUS</td>
        <td style="border: 1px solid #ddd; padding: 4px;">独立电源</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">20</td>
        <td style="border: 1px solid #ddd; padding: 4px;">GND</td>
        <td style="border: 1px solid #ddd; padding: 4px;">电源地</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">21</td>
        <td style="border: 1px solid #ddd; padding: 4px;">GND</td>
        <td style="border: 1px solid #ddd; padding: 4px;">电源地</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td rowspan="16" style="border: 1px solid #ddd; padding: 4px; text-align: center;">⑤</td>
        <td rowspan="16" style="border: 1px solid #ddd; padding: 4px;">麦克风信号接口</td>
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">22</td>
        <td style="border: 1px solid #ddd; padding: 4px;">AGND</td>
        <td style="border: 1px solid #ddd; padding: 4px;">模拟地</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">23</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC6BIA</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC6电源</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">24</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC6-</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC6负极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">25</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC6+</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC6正极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">26</td>
        <td style="border: 1px solid #ddd; padding: 4px;">AGND</td>
        <td style="border: 1px solid #ddd; padding: 4px;">模拟地</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">27</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC5BIAS</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC5电源</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">28</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC5+</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC5正极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">29</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC5-</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC5负极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">30</td>
        <td style="border: 1px solid #ddd; padding: 4px;">AGND</td>
        <td style="border: 1px solid #ddd; padding: 4px;">模拟地</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">31</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC4BIAS</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC4电源</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">32</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC4-</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC4负极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">33</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC4+</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC4正极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">34</td>
        <td style="border: 1px solid #ddd; padding: 4px;">AGND</td>
        <td style="border: 1px solid #ddd; padding: 4px;">模拟地</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">35</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC3BIAS</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC3电源</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">36</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC3+</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC3正极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">37</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC3-</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC3负极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td rowspan="8" style="border: 1px solid #ddd; padding: 4px; text-align: center;">⑥</td>
        <td rowspan="8" style="border: 1px solid #ddd; padding: 4px;">麦克风信号接口</td>
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">38</td>
        <td style="border: 1px solid #ddd; padding: 4px;">AGND</td>
        <td style="border: 1px solid #ddd; padding: 4px;">模拟地</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">39</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC2BIAS</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC2电源</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">40</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC2-</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC2负极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">41</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC2+</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC2正极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">42</td>
        <td style="border: 1px solid #ddd; padding: 4px;">AGND</td>
        <td style="border: 1px solid #ddd; padding: 4px;">模拟地</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">43</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC1BIAS</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC1电源</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">44</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC1+</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC1正极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">45</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC1-</td>
        <td style="border: 1px solid #ddd; padding: 4px;">MIC1负极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td rowspan="5" style="border: 1px solid #ddd; padding: 4px; text-align: center;">⑦</td>
        <td rowspan="5" style="border: 1px solid #ddd; padding: 4px;">参考信号接口</td>
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">46</td>
        <td style="border: 1px solid #ddd; padding: 4px;">SPK0-</td>
        <td style="border: 1px solid #ddd; padding: 4px;">扬声器0负极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">47</td>
        <td style="border: 1px solid #ddd; padding: 4px;">SPK0+</td>
        <td style="border: 1px solid #ddd; padding: 4px;">扬声器0正极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">48</td>
        <td style="border: 1px solid #ddd; padding: 4px;">GND</td>
        <td style="border: 1px solid #ddd; padding: 4px;">扬声器地</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">49</td>
        <td style="border: 1px solid #ddd; padding: 4px;">SPK1+</td>
        <td style="border: 1px solid #ddd; padding: 4px;">扬声器1正极</td>
    </tr>
    <tr style="border: 1px solid #ddd;">
        <td style="border: 1px solid #ddd; padding: 4px; text-align: center;">50</td>
        <td style="border: 1px solid #ddd; padding: 4px;">SPK1-</td>
        <td style="border: 1px solid #ddd; padding: 4px;">扬声器1负极</td>
    </tr>
</table>

PS：wafer USB接口和micro USB接口为同一组USB，物理接口方式不一样，客户任选一种连接方式。

## 2.3 结构尺寸

* USB声卡主板（单位：毫米）

![C:\Users\fjyu2\Desktop\微信图片_20230515112334.jpg微信图片_20230515112334](/media/202305//1684736984.3387787.jpeg)

<center>图3 USB声卡尺寸图</center>

* 线性4麦（单位：毫米）

![线4](/media/202305//1684736984.343629.png)

<center>图4 线性四麦阵列尺寸图</center>

* 线性6麦（单位：毫米）

![](/media/202305//1684736984.3568697.png)

<center>图5 线性六麦阵列尺寸图</center>

* 环形6麦（单位：毫米）

![](/media/202305//1684736984.3611324.jpeg)

<center>图6 环形六麦阵列尺寸图</center>

* 线束（单位：毫米）![C:\Users\admin\Documents\WeChat Files\huangzhiteng2011\FileStorage\Temp\1655116408307.png](/media/202305//1684736984.381605.png)

<center>图7 线束尺寸图</center>

## 2.5 电气信息

* 关键参数

<table border="0" class="docutils" style="width: 100%;">
<colgroup>
<col width="5%" />
<col width="10%" />
</colgroup>
<tbody valign="top">
<tr class="row-odd">
<td><b>麦克风型号</b></td>
<td>SPA1687LR5H-1</td>
</tr>
<tr class="row-even">
<td><b>灵敏度</b></td>
<td>-38dBV/Pa（94 dB SPL @ 1 kHz）</td>
</tr>
<tr class="row-odd">
<td><b>信噪比</b></td>
<td>65dB （94 dB SPL @ 1 kHz, A-weighted，典型值）</td>
</tr>
<tr class="row-even">
<td><b>总谐波失真</b></td>
<td>0.1%（94 dB SPL @ 1 kHz, S = Typ, Rload > 10，典型值）</td>
</tr>
<tr class="row-odd">
<td rowspan="4"><b>PCB 尺寸</b></td>
<td>USB声卡主板：89mm*38mm*1.6mm（长-宽-厚）</td>
</tr>
<tr class="row-even">
<td>线性4麦阵列：121.5mm*12mm*1.2mm（长-宽-厚）</td>
</tr>
<tr class="row-odd">
<td>线性6麦阵列：191.5mm*12mm*1.2mm（长-宽-厚）</td>
</tr>
<tr class="row-even">
<td>环形6麦阵列：79.5mm*60mm*1.2mm（外径-内径-厚）</td>
</tr>
<tr class="row-odd">
<td><b>外置接口</b></td>
<td>4路麦克风接口、2路麦克风接口、USB接口、2路回采参考信号接口</td>
</tr>
</tbody>
</table>

* 环境温度

* 电气参数

* ESD参数

# 3.典型应用场景
* 会议大屏
* 自助一体机
* 机器人

# 4.订货信息

<table border="0" class="docutils" style="width: 100%; border-collapse: collapse;">
<colgroup>
<col width="15%" />
<col width="15%" />
<col width="15%" />
<col width="15%" />
<col width="15%" />
</colgroup>
<tbody valign="top">
<tr class="row-odd">
<td><b>产品名称</b></td>
<td><b>型号</b></td>
<td><b>尺寸(mm)</b></td>
<td><b>封装材料</b></td>
<td><b>包装</b></td>
</tr>
<tr class="row-even">
<td>AIUI USB声卡开发套件</td>
<td>XF-USB-MC</td>
<td>--</td>
<td>Pb-Free</td>
<td>礼盒装</td>
</tr>
</tbody>
</table>

产品购买链接：
<https://www.aifuwus.com/onstage/cmddetail?id=3062>