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,同時提供器件向板級散熱的路徑。PCB板上需要留有足夠的鋪地露銅與之良好焊接。 |
1 | ILIM | I | Adjustable switch peak current limit. An external resistor should be connected between this pin and GND. 最大限流值設(shè)置端,外部接電阻到地。 |
2 | EAOUT | I | Error amplifier output. Connect a 3.3nF capacity paralleled with a 15k resistor to GND typically. 誤差放大器輸出端。接3.3nF并聯(lián)15k電阻到地。 |
3,4,5 | SW | I | Boost and rectifying switch input. 升壓整流開關(guān)輸入端。 |
6 | VBAT | P | Power supply for logic. 內(nèi)部邏輯電源供電端。 |
7 | INL+ | I | Positive input (differential+) for audio amplifier of left channel. 音頻左聲道輸入正端。 |
8 | INL- | I | Negative input (differential-) for audio amplifier of left channel. 音頻左聲道輸入負端。 |
9 | INR- | I | Negative input (differential-) for audio amplifier of right channel. 音頻右聲道輸入負端。 |
10 | INR+ | I | Positive input (differential+) for audio amplifier of right channel. 音頻右聲道輸入正端。 |
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. 音頻功放模式選擇端。接地時為D類模式,接高時為AB類模式。 |
12 | MUTE | I | MUTE control set. The audio amplifier is muted when it is pulled high. 靜音控制端。接高時,芯片進入靜音模式。 |
13 | LIM | I | Enable the Limiter Function and select limiter level. 使能限幅功能和限幅值設(shè)置端。 |
14 | GAIN | I | System GAIN set. Three GAIN level for select. 增益設(shè)置端。 |
15 | OUTR+ | O | Positive output terminal (BTL+) for right channel. 右聲道正端輸出。 |
16 | PVDDR | O | Power supply terminal for right channel. 右聲道功率電源端。 |
17 | OUTR- | O | Negative output terminal (BTL-) for right channel. 右聲道負端輸出。 |
18 | OUTL- | O | Negative output terminal (BTL-) for left channel. 左聲道負端輸出。 |
19 | PVDDL | P | Power supply terminal for left channel. 左聲道功率電源端。 |
20 | OUTL+ | O | Positive output terminal (BTL+) for left channel. 左聲道正端輸出。 |
21 | ENA | I | Audio amplifier enabling terminal. Audio amplifier is enabled when it is pulled high. 功放使能端,接高時功放開啟。 |
22 | ENB | I | Boost converter enabling terminal. Boost converter is enabled when it is pulled high. 升壓使能端,接高時自適應(yīng)G類升壓開啟。 |
23 | FB | I | Regulator Feedback Input. 升壓調(diào)節(jié)反饋輸入端。 |
24 | POUT | I | Boost Converter voltage detect pin. 升壓輸出檢測端。 |