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HT317 Datasheet(PDF) 2 Page - Jiaxing Heroic Technology Co.,Ltd.

Part # HT317
Description  75W PBTL/30W BTL Class D Audio Amplifier with AM Suppression
PDF  4 Pages
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Manufacturer  HEROIC [Jiaxing Heroic Technology Co.,Ltd.]
Direct Link  http://www.heroic.com.cn/en/index.asp
Logo HEROIC - Jiaxing Heroic Technology Co.,Ltd.

HT317 Datasheet(HTML) 2 Page - Jiaxing Heroic Technology Co.,Ltd.

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HT317
立体声 D 类音频功放
版权所有
©2018, 嘉兴禾润电子科技有限公司
-2-
1/2018 – V0.5
引脚信息与引脚定义
1
\SD
INA+
INA-
PVDD
PVDD
OUTA+
TSSOP28L-PP Top View
PLIMT
GVDD
GAIN
LIM
BSB-
BSA-
OUTA-
BSA+
PVDD
GGND
INB-
OUTB+
OUTB-
INB+
AM0
MUTE
AVDD
PGND
PVDD
BSB+
PVDD
PVDD
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
AM1
Pin No.
Name
I/O*1
Description
1
SD
I
关断控制输入端，低电平芯片处于低功耗状态，高电平正常工作
2
INA+
I
A通道音源输入正端
3
INA-
I
A通道音源输入负端
4
PLIMT
I
限幅值设置端
5
GVDD
O
内部整流输出，接1uF电容到地
6
GAIN
I
系统增益设置端
7
LIM
I
限幅功能选择
8
GGND
G
逻辑地
9
INB-
I
B通道音源输入负端
10
INB+
I
B通道音源输入正端
11
AM0
I
调制频率设置端
12
AM1
I
调制频率设置端
13
MUTE
I
静音控制，低电平芯片正常工作
14
AVDD
P
模拟电源供电端
15,16,17
PVDD
P
功率电源供电端
18
BSB+
BST
Boot Strap端，接220nF电容到OUTB+
19
OUTB+
O
B通道输出正端
20
OUTB-
O
B通道输出负端
21
BSB-
BST
Boot Strap端，接220nF电容到OUTB-
22
BSA-
BST
Boot Strap端，接220nF电容到OUTA-
23
OUTA-
O
A通道输出负端
24
OUTA+
O
A通道输出正端
25
BSA+
BST
Boot Strap端，接220nF电容到OUTA+
26,27,28
PVDD
P
功率电源
PAD
PGND
G
功率地
注
1：I: 输入端
O: 输出端
G: 地
P：功率电源
BST：BOOT Strap



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