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DDX-2102 PDF预览

DDX-2102

更新时间： 2024-11-04 21:53:55
品牌 Logo 应用领域
其他 - ETC 放大器功率放大器
页数 文件大小 规格书
17页 643K
描述
All-Digital High Efficiency Power Amplifier

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DDX-2102 数据手册

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DDX-2102  
All-Digital High Efficiency Power Amplifier  
FEATURES  
1.0 GENERAL DESCRIPTION  
•
•
HIGH OUTPUT CAPABILITY  
The DDX-2102 power device is a monolithic, dual  
channel H-Bridge that can provide audio power up  
to 65 watts per channel @10%THD, 8Ω at very  
high efficiency.  
The device contains a logic interface, integrated  
bridge drivers, high efficiency MOSFET output  
transistors and protection circuitry. It may be used  
in DDX® Mode as a dual bridge or reconfigured as  
DDX® Mono-Mode:  
*
1 x 130 W, 4Ω, < 10% THD  
•
•
DDX® Full-Bridge Mode:  
*
2 x 50 / 65 W, 6Ω / 8Ω, < 10% THD  
Binary Half-Bridge Mode:  
*
4 x 32 W, 4Ω, < 10% THD  
•
•
•
•
•
SINGLE SUPPLY (+9V to +36V)  
MINI SURFACE MOUNT PACKAGE  
HIGH EFFICIENCY, > 90% @ 8Ω, 10%THD  
THERMAL OVERLOAD PROTECTION  
SHORT CIRCUIT PROTECTION  
a single bridge with double the output current  
capability. Alternatively, in Binary Mode, it may be  
configured as either a dual bridge or (at lower  
power output) a quad half-bridge or a combination  
of both types.  
BENEFITS  
•
•
COMPLETE SURFACE MOUNT DESIGN  
POWER SUPPLY SAVINGS  
The benefits of the DDX® amplification system are:  
an all-digital design that eliminates the need for a  
digital to analog converter (DAC), and the high  
efficiency operation derived from the use of  
Apogee’s patented damped ternary pulse width  
modulation (PWM). This approach provides an  
efficiency advantage over conventional PWM  
designs and more than three times the efficiency of  
Class A/B amplifiers with music input signal.  
VCC1P  
APPLICATIONS  
•
•
•
•
•
DIGITAL POWERED SPEAKERS  
PC SOUND CARDS  
CAR AUDIO  
SURROUND SOUND SYSTEMS  
DIGITAL AUDIO COMPONENTS  
INLA  
OUTPL  
FET  
BIAS  
DRIVE  
OUTPL  
CONFIG  
PROTECTION  
AND  
PGND1P  
VCC1N  
PWRDN  
FAULT  
DRIVER  
LOGIC  
OUTNL  
OUTNL  
TRISTATE  
TWARN  
GNDREF  
INLB  
FET  
DRIVE  
PGND1N  
VCC2P  
INRA  
VSIG  
VREG2  
VREG2  
OUTPR  
OUTPR  
FET  
DRIVE  
PGND2P  
VCC2N  
REGULATORS  
VREG1  
VREG1  
OUTNR  
OUTNR  
FET  
DRIVE  
GNDR1  
INRB  
PGND2N  
Figure 1. Block Diagram  
Specifications are subject to change without notice.  
129 Morgan Drive, Norwood, MA 02062 voice: (781) 551-9450 fax: (781) 440-9528  
email: apogee@apogeeddx.com  
CONTROLLED DOCUMENT: P_903-000055_Rev08 DDX-2102 Data Sheet.doc  
DRN: PRELIMINARY Page 1 of 17  
1234567...17

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