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PDF ( 数据手册 , 数据表 ) EV0030

零件编号 EV0030
描述 20W Stereo Class D Single Ended Audio Amplifier
制造商 MPS
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EV0030 数据手册, 描述, 功能
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TM
The Future of Analog IC Technology TM
GENERAL DESCRIPTION
The EV0030 is the evaluation board for the
MP7720, a mono 20W Class D Audio Amplifier.
It is one of MPS’ second generation of fully
integrated audio amplifiers which dramatically
reduces solution size by integrating the
following:
180mpower MOSFETs
Startup / Shutdown pop elimination
Short circuit protection circuits
Mute / Standby
The MP7720 utilizes a single ended output
structure capable of delivering 20W into 4
speakers. MPS Class D Audio Amplifiers exhibit
the high fidelity of a Class A/B amplifier at
efficiencies greater than 90%. The circuit is
based on the MPS’ AAMTM proprietary variable
frequency topology that delivers excellent
PSRR, fast response time and operates on a
single power supply.
ELECTRICAL SPECIFICATIONS
Parameter
Supply Voltage
Symbol
VDD
Value Units
24 V
EV0030 EVALUATION BOARD
EV0030 (MP7720DS)
20W Stereo Class D
Single Ended Audio Amplifier
EVALUATION BOARD
FEATURES
20W Output at VDD = 24V into a 4load
THD+N = 0.04% at 1W, 8
93% Efficiency at 20W
Low Noise (190µV Typical)
Switching Frequency Up to 1MHz
9.5V to 24V Operation from a Single Supply
Integrated Startup and Shutdown Pop
Elimination Circuit
Thermal Protection
Integrated 180mSwitches
Mute/Standby Modes (Sleep)
Available in Tiny 8-Pin SOIC and PDIP Packages
APPLICATIONS
Surround Sound DVD Systems
Televisions
Flat Panel Monitors
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.
THD+N vs
Power (24V, 1KHz)
20
10
1
0.1
Dimensions (2.4”X x 3.5”Y x 1.2”Z)
Board Number
EV0030
MPS IC Number
MP7720DS
0.01
0.1
1
POWER (W)
10 30
MP7720-TPC01
EV0030 Rev. 1.6
6/13/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
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