Terminal No. | Name | I/O | Description |
0 | GND | G | Power ground. Also provides thermal connection from the device to the board. A matching ground pad should be provided on the PCB and the device connected to ඣi♈t via solder. 地,同样提高功率器件向板级蒸发器的路径分析。PCB板上必须要 多出有足够的铺地露铜与之积极焊接工艺。 |
1 | ILIM | I | Adjustable switch peak current limit. An external resistor should be connected between this pin and GND.大限流值设为端,外部链接接热敏电阻到地。 |
2 | EAOUT | I | Error amplifier output. Connect a 3.3nF capacity paralleled with a 15k resistor to GND typically. 确定误差图像运放电路的输出端。接3.3nF串并联15k电阻器到地。 |
3,4,5 | SW | I | Boost and rectifying switch input. 升压整流按钮复制粘贴端。 |
6 | VBAT | P | Power supply for logic. 外部思维模式电源适配器电力端。 |
7 | INL+ | I | Positive input (differential+) for audio amplifier of left channel. 音频文件左声道手机输入正端。 |
8 | INL- | I | Negative input (differential-) for audio amplifier of left channel.音頻左声道读取负端。 |
9 | INR- | I | Negative input (differential-) for audio amplifier of right channel.语音右声道插入负端。 |
10 | INR+ | I | Positive input (differential+) for audio amplifier of right channel.双声道右声道进入正端。 |
11 | ABD | I | Audio amplifier mode selection. Class D is selected when it is pulled low; Class AB is selected when it is pulled high.音频视频功放机经济策略选定 端。与地面时为D类经济策略,接高时为AB类经济策略。 |
12 | MUTE | I | MUTE control set. The audio amplifier is muted when it is pulled high.靜音的控制端。接高时,单片机芯片打开靜音方式。 |
13 | LIM | I | Enable the Limiter Function and select limiter level.使能限幅特点和限幅值设制端。 |
14 | GAIN | I | System GAIN set. Three GAIN level for select. 增益值装置端。 |
15 | OUTR+ | O | Positive output terminal (BTL+) for right channel. 右声道正端输出电压。 |
16 | PVDDR | O | Power supply terminal for right channel. 右声道瓦数24v电源端。 |
17 | OUTR- | O | Negative output terminal (BTL-) for right channel. 右声道负端导出。 |
18 | OUTL- | O | Negative output terminal (BTL-) for left channel. 左声道负端效果。 |
19 | PVDDL | P | Power supply terminal for left channel. 左声道最大功率电原端。 |
20 | OUTL+ | O | Positive output terminal (BTL+) for left channel. 左声道正端輸出。 |
21 | ENA | I | Audio amplifier enabling terminal. Audio amplifier is enabled when it is pulled high. 功放机机使能端,接高时功放机机享受。 |
22 | ENB | I | Boost converter enabling terminal. Boost converter is enabled when it is pulled high. 升压使能端,接高时自自我调节G类升压启动。 |
23 | FB | I | Regulator Feedback Input. 升压缓解回访插入端。 |
24 | POUT | I | Boost Converter voltage detect pin. 升压读取检测工具端。 |