Terminal No. | Name | I/O | Description |
0 | GND | G | Power ground. Also provides thermal connection from the device to the board. ꦚA matching ground pad should be provided on the PCB and the device connected to it via solder. 地,还可以提供电子器件向板级散热器的渠道。PCB板上需求留出的充裕的铺地露铜与之更好补焊。 |
1 | ILIM | I | Adjustable switch peak current limit. An external resistor should be connected between this pin and GND.比较大限流值设有端,外部结构接电容到地。 |
2 | EAOUT | I | Error amplifier output. Connect a 3.3nF capacity paralleled with a 15k resistor to GND typically. 不确定度图像功率放大器导出端。接3.3nF串并联15k内阻到地。 |
3,4,5 | SW | I | Boost and rectifying switch input. 升压整流旋转开关手机输入端。 |
6 | VBAT | P | Power supply for logic. 内部管理思维逻辑电源线共电端。 |
7 | INL+ | I | Positive input (differential+) for audio amplifier of left channel. 双声道左声道显示正端。 |
8 | INL- | I | Negative input (differential-) for audio amplifier of left channel.音频文件左声道投入负端。 |
9 | INR- | I | Negative input (differential-) for audio amplifier of right channel.音视频右声道手机输入负端。 |
10 | INR+ | I | Positive input (differential+) for audio amplifier of right channel.双声道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.音响后级格局抉择端。接地系统时为D类格局,接高时为AB类格局。 |
12 | MUTE | I | MUTE control set. The audio amplifier is muted when it is pulled high.隔音掌控端。接高时,IC芯片步入隔音形式 。 |
13 | LIM | I | Enable the Limiter Function and select limiter level.使能限幅功效和限幅值设计端。 |
14 | GAIN | I | System GAIN set. Three GAIN level for select. 收获安装端。 |
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. 右声道最大功率电端。 |
17 | OUTR- | O | Negative output terminal (BTL-) for right channel. 右声道负端输入。 |
18 | OUTL- | O | Negative output terminal (BTL-) for left channel. 左声道负端的输出。 |
19 | PVDDL | P | Power supply terminal for left channel. 左声道输出功率开关电源端。 |
20 | OUTL+ | O | Positive output terminal (BTL+) for left channel. 左声道正端内容输出。 |
21 | ENA | I | Audio amplifier enabling terminal. Audio amplifier is enabled when it is pulled high. 后级机使能端,接高时后级机开始。 |
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类升压启闭。 |
23 | FB | I | Regulator Feedback Input. 升压转换评议输人端。 |
24 | POUT | I | Boost Converter voltage detect pin. 升压工作输出探测端。 |