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 it via solder. 地,的同时给予电子元件向板级cpu散热的方法。PCB板上必须要 附在任何的铺地露铜与之非常好焊接工艺。 |
1 | ILIM | I | Adjustable switch peak current limit. An external resistor should be connected between this pin and GND.最好限流值设立端,冗余接电阻功率到地。 |
2 | EAOUT | I | Error amplifier output. Connect a 3.3nF capacity paralleled with a 15k resistor to GND typically. 差值扩大器输出精度端。接3.3nF串连15k电阻功率到地。 |
3,4,5 | SW | I | Boost and rectifying switch input. 升压整流打开键盘输入端。 |
6 | VBAT | P | Power supply for logic. 內部逻辑学电源适配器供气端。 |
7 | INL+ | I | Positive input (differential+) for audio amplifier of left channel. 录音左声道填写正端。 |
8 | INL- | I | Negative input (differential-) for audio amplifier of left channel.音屏左声道手机输入负端。 |
9 | INR- | I | Negative input (differential-) for audio amplifier of right channel.音频文件右声道投入负端。 |
10 | INR+ | I | Positive input (differential+) for audio amplifier of right channel.音响右声道键盘输入正端。 |
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.录音功放机的的模式英文决定端。的接地时为D类的的模式英文,接高时为AB类的的模式英文。 |
12 | MUTE | I | MUTE control set. The audio amplifier is muted when it is pulled high.靜音调节端。接高时,处理器迈入靜音机制。 |
13 | LIM | I | Enable the Limiter Function and select limiter level.使能限幅功用和限幅值装置端。 |
14 | GAIN | I | System GAIN set. Three GAIN level for select. 增加收益安装端。 |
15 | OUTR+ | O | Positive output terminal (BTL+) for right channel. 右声道正端工作输出。 |
16 | PVDDR | O | Power supply terminal for right channel. 右声道功效电源模块端。 |
17 | OUTR- | O | Negative output terminal (BTL-) for right channel. 右声道负端输入输出。 |
18 | OUTL- | O | Negative output terminal (BTL-) for left channel. 左声道负端工作输出。 |
19 | PVDDL | P | Power supply terminal for left channel. 左声道输出功率电源开关端。 |
20 | OUTL+ | O | Positive output terminal (BTL+) for left channel. 左声道正端工作输出。 |
21 | ENA | I | Audio amplifier enabling terminal. Audio amplifier is enabled when it is pulled high. 后级后级功放使能端,接高时后级后级功放重置。 |
22 | ENB | I | Boost converter enabling terminal. Boost converter is enabled when it is pulled high. 升压使能端,接高时自改变G类升压打开。 |
23 | FB | I | Regulator Feedback Input. 升压缓解反映輸入端。 |
24 | POUT | I | Boost Converter voltage detect pin. 升压转换检测工具端。 |