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HT6879 Datasheet(PDF) 1 Page - Jiaxing Heroic Technology Co.,Ltd.

Part # HT6879
Description  3.5W High Fidelity Ultra Low EMI Anti-Cut Top Mono Class D Audio Power Amplifier
PDF  1 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.

HT6879 Datasheet(HTML) 1 Page - Jiaxing Heroic Technology Co.,Ltd.

  HT6879 Datasheet HTML 1Page - Jiaxing Heroic Technology Co.,Ltd.  
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HT6879
低 EMI 防削顶 D 类音频功率放大器
版权所有©2013, 嘉兴禾润电子科技有限公司
-1-
4/2013 – V0.1
3.5W带数字音量控制/防削顶低EMI单声道D类音频功率放大器
特点
・专利技术降低内阻和热耗,极大提升功率
Po=3.5 W (VDD=5.0V, RL=4Ω, THD+N=10%)
Po=5.4 W (VDD=5.0V, RL=2Ω, THD+N=10%)
・优异的全带宽增强EMI抑制性能
a) 辐射水平远在FCC Part15 Class B 标准之下;
b) 对系统中FM收音、模拟电视、CMMB、CDMA
和GSM等不同频段敏感模块无干扰;
c) 降低了系统设计难度
・防削顶失真功能(Anti-Clipping Function, ACF)
・全低噪应用,高信噪比(SNR)
・免滤波器数字调制,直接驱动扬声器
・卓越的“咔嗒-噼噗”(Click-Pop)噪声抑制性能
・低关断电流:0.01µA
・过流保护功能
・过热保护功能
・欠压异常保护功能
・无铅封装,MSOP10, MSOP10-PP, DFN10
应用
・便携式音箱
・USB音箱
・iphone/ipod/MP3 docking
・数码相框
・PMP/MP4/MP5播放器
・导航仪GPS
・便携式游戏机
・手机
・掌上电脑PDAs
引脚信息
1
2
3
4
5
10
9
8
7
6
VREF
UP
DN
IN-
OUT-
GND
CTRL
顶视图
IN+
OUT+
VDD
引脚定义*1
MSOP/DFN
引脚号
引脚
名称
I/O
ESD
保护电路
功能
1
VREF
A
PN
模拟参考电压
2
UP
A
PN
音量增加
3
DN
A
PN
音量减小
4
IN-
A
PN
同相输入端(差分-)
5
IN+
A
PN
同相输入端(差分+)
6
OUT+
O
-
同相输出端(BTL+)
7
VDD
Powe r
-
电源
8
GND
GND
-
地
9
OUT-
O
-
反相输出端(BTL-)
10
CTRL
I
PN
ACF模式和关断模式控制端
注1
I: 输入端
O: 输出端
A: 模拟端
当大于VDD的电压外加于PN保护型端口(ESD保护电路由PMOS和NMOS组成)时,PMOS电路将有漏电流流过。
嘉兴禾润电子科技有限公司
Jiaxing Heroic Technology Co., Ltd.
地址:
浙江省嘉兴市亚太路 JRC 大厦 A 座三层
电话/传真:
0573-82585078
E-mail:
sales@heroic.com.cn
网址:
www.heroic.com.cn


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