EV0030 Datasheet, PDF (1/6 Pages) Monolithic Power Systems – 20W Stereo Class D Single Ended Audio Amplifier

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:
180mΩ power MOSFETs
Startup / Shutdown pop elimination
Short circuit protection circuits
Mute / Standby
The MP7720 utilizes a single ended output
structure capable of delivering 20W into 4Ω
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’ AAM^TM proprietary variable
frequency topology that delivers excellent
PSRR, fast response time and operates on a
single power supply.
ELECTRICAL SPECIFICATIONS
Parameter
Supply Voltage
Symbol
V_DD
Value Units
24
V
EV0030 EVALUATION BOARD
EV0030 (MP7720DS)
20W Stereo Class D
Single Ended Audio Amplifier
EVALUATION BOARD
FEATURES
• 20W Output at V_DD = 24V into a 4Ω load
• THD+N = 0.04% at 1W, 8Ω
• 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 180mΩ Switches
• 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
www.MonolithicPower.com
1
6/13/2005
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.