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MP7745DF PDF预览

MP7745DF

更新时间: 2024-01-06 10:00:02
品牌 Logo 应用领域
芯源 - MPS 放大器光电二极管商用集成电路
页数 文件大小 规格书
13页 705K
描述
2 x 20W Class D Stereo Single Ended Audio Amplifer

MP7745DF 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP-20针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.33.00.01风险等级:5.12
商用集成电路类型:AUDIO AMPLIFIERJESD-30 代码:R-PDSO-G20
长度:6.5 mm信道数量:2
功能数量:1端子数量:20
最高工作温度:85 °C最低工作温度:-40 °C
标称输出功率:20 W封装主体材料:PLASTIC/EPOXY
封装代码:HTSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.2 mm
最大供电电压 (Vsup):26 V最小供电电压 (Vsup):9.5 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4.4 mmBase Number Matches:1

MP7745DF 数据手册

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MP7745  
2 x 20W Class D Stereo  
Single Ended Audio Amplifer  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP7745 is a Stereo 2 x 20W Class D  
Audio Amplifier. It is one of MPS’ products of  
fully integrated audio amplifiers which  
dramatically reduces solution size by integrating  
the following:  
2 x 20W Output at VDD = 24V into 4load  
THD+N = 0.05% at 1W, 8Ω  
93% Efficiency at 20W, 4& VDD = 24V  
Low Noise (103µV Typical)  
Switching Frequency Up to 1MHz  
9.5V to 26V Operation from a Single Supply  
Integrated Startup and Shutdown Pop  
Elimination Circuit  
Thermal and Short Circuit Protection  
Integrated Power FETs  
250mpower MOSFETs  
Startup / Shutdown pop elimination  
Short circuit protection circuits  
The MP7745 utilizes a single ended output  
structure capable of delivering 20W per channel  
into 4speakers. MPS Class D Audio  
Amplifiers exhibit the high fidelity of a Class A/B  
amplifier at high efficiencies. The circuit is  
based on the MPS’ proprietary variable  
frequency topology that delivers excellent  
linearity, fast response time and operates on a  
single power supply.  
Pin Compatible with MP7722 and MP7742  
Available in TSSOP20-Exposed Package  
APPLICATIONS  
Flat Panel TV  
Portable Docking Stations  
Surround Sound DVD Systems  
Televisions  
Multimedia Computers  
Home Stereo Systems  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
AAM (Analog Adaptive Modulation) is a Trademark of Monolithic Power  
Systems, Inc.  
TYPICAL APPLICATION  
V
DD  
V
DD  
18  
13  
20  
10  
2
3
8
VDD1 VDD2  
REF1  
IN1  
17  
19  
BS1  
5
CH1  
INPUT  
SW1  
V
2
DD  
CH1  
OUTPUT  
MP7745  
1
0.5  
REF2  
12  
14  
BS2  
0.2  
SW2  
CH2  
INPUT  
7
6
IN2  
CH2  
OUTPUT  
0.1  
EN1  
10  
4, 5  
9
0.05  
EN2  
EN/SHDN  
AGND1  
AGND2  
PGND1 PGND2  
15  
0.02  
0.01  
20  
1
2
5
10  
20 40  
P
(W)  
MP7745 Rev. 0.9  
5/11/2009  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2009 MPS. All Rights Reserved.  
1

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