MPS EV0030 Manual

The Future of Analog IC Technology

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
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
frequency topology that delivers excellent
PSRR, fast response time and operates on a
single power supply.

ELECTRICAL SPECIFICATIONS

Parameter Symbol
Supply Voltage
EV0030 EVALUATION BOARD
Dimensions (2.4"X x 3.5"Y x 1.2"Z)
Board Number
EV0030
EV0030 Rev. 1.6
6/13/2005 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
TM
TM
by integrating the
TM
proprietary variable
Value Units
V 24 V
DD
MPS IC Number
MP7720DS
www.MonolithicPower.com
© 2005 MPS. All Rights Reserved.
EV0030 (MP7720DS)
20W Stereo Class D
Single Ended Audio Amplifier

FEATURES

•
20W Output at V
DD
•
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
0.01
0.1
EVALUATION BOARD
= 24V into a 4Ω load
1 10 30
POWER (W)
MP7720-TPC01
1