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,互相提供数据电子元件向板级散熱的路径分析。PCB板上想要拥有已经可以的铺地露铜与之优良焊接方法。 |
1 | ILIM | I | Adjustable switch peak current limit. An external resistor should be connected between this pin and GND.最明显限流值设制端,其他接热敏电阻到地。 |
2 | EAOUT | I | Error amplifier output. Connect a 3.3nF capacity paralleled with a 15k resistor to GND typically. 出现偏差的原因变小器内容输出端。接3.3nF串并联15k电阻功率到地。 |
3,4,5 | SW | I | Boost and rectifying switch input. 升压整流面板开关搜索端。 |
6 | VBAT | P | Power supply for logic. 的内部规律电源适配器输电端。 |
7 | INL+ | I | Positive input (differential+) for audio amplifier of left channel. 声频左声道键入正端。 |
8 | INL- | I | Negative input (differential-) for audio amplifier of left channel.语音左声道手机输入负端。 |
9 | INR- | I | Negative input (differential-) for audio amplifier of right channel.音视频右声道投入负端。 |
10 | INR+ | I | Positive input (differential+) for audio amplifier of right channel.音频软件右声道投入正端。 |
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.音屏后级功放形式 选定 端。跨接时为D类形式 ,接高时为AB类形式 。 |
12 | MUTE | I | MUTE control set. The audio amplifier is muted when it is pulled high.隔音掌控端。接高时,单片机芯片进行隔音经济模式。 |
13 | LIM | I | Enable the Limiter Function and select limiter level.使能限幅职能和限幅值设制端。 |
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. 右声道正端输出精度。 |
16 | PVDDR | O | Power supply terminal for right channel. 右声道工作功率电压端。 |
17 | OUTR- | O | Negative output terminal (BTL-) for right channel. 右声道负端输送。 |
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. 左声道工作效率电源模块端。 |
20 | OUTL+ | O | Positive output terminal (BTL+) for left channel. 左声道正端输送。 |
21 | ENA | I | Audio amplifier enabling terminal. Audio amplifier is enabled when it is pulled high. 音箱使能端,接高时音箱进入设置。 |
22 | ENB | I | Boost converter enabling terminal. Boost converter is enabled when it is pulled high. 升压使能端,接高时自不适应G类升压进入。 |
23 | FB | I | Regulator Feedback Input. 升压调接反馈建议投入端。 |
24 | POUT | I | Boost Converter voltage detect pin. 升压导出查测端。 |