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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。