MP7720DS MPS [Monolithic Power Systems], MP7720DS Datasheet

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MP7720DS

Manufacturer Part Number
MP7720DS
Description
20W Stereo Class D Single Ended Audio Amplifier
Manufacturer
MPS [Monolithic Power Systems]
Datasheet
1.MP7720DS.pdf (6 pages)

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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
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
EV0030 EVALUATION BOARD
EV0030 Rev. 1.6
6/13/2005
Parameter
Supply Voltage
Board Number
Dimensions (2.4”X x 3.5”Y x 1.2”Z)
EV0030
solution
size
Symbol
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
V
DD
TM
by
MPS IC Number
proprietary variable
MP7720DS
integrating
Value
24
© 2005 MPS. All Rights Reserved.
www.MonolithicPower.com
Units
TM
TM
V
the
FEATURES
•
•
•
•
•
•
•
•
•
•
•
APPLICATIONS
•
•
•
•
•
of Monolithic Power Systems, Inc.
AAM (Analog Adaptive Modulation) is a Trademark of Monolithic Power
Systems, Inc.
“MPS” and “The Future of Analog IC Technology”, are Registered Trademarks
20W Output at V
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
Surround Sound DVD Systems
Televisions
Flat Panel Monitors
Multimedia Computers
Home Stereo Systems
EV0030 (MP7720DS)
Single Ended Audio Amplifier
0.01
0.1
20
10
1
THD+N vs
Power (24V, 1KHz)
0.1
DD
20W Stereo Class D
POWER (W)
= 24V into a 4Ω load
EVALUATION BOARD
1
MP7720-TPC01
10
30
1

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MP7720DS Summary of contents

Page 1

... EV0030 EVALUATION BOARD Dimensions (2.4”X x 3.5”Y x 1.2”Z) Board Number MPS IC Number EV0030 MP7720DS EV0030 Rev. 1.6 6/13/2005 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. TM EV0030 (MP7720DS) TM FEATURES • 20W Output at V • THD+N = 0.04% at 1W, 8Ω • 93% Efficiency at 20W • Low Noise (190µV Typical) ...

Page 2

TM EV0030 – 20W STEREO CLASS D SINGLE ENDED AUDIO AMPLIFIER EVALUATION BOARD SCHEMATIC VDD VDD CN100 1 RCA C11 3.3nF 2 IN1 VDD VDD CN101 1 RCA C12 3.3nF 2 IN2 3 ...

Page 3

TM EV0030 – 20W STEREO CLASS D SINGLE ENDED AUDIO AMPLIFIER EV0030 BILL OF MATERIALS Qty Ref Value Description C1, C3, 3 1µF Ceramic Capacitor, X5R, 16V C124 C2, C4 Not Stuffed C5 C9, C19 390pF ...

Page 4

TM EV0030 – 20W STEREO CLASS D SINGLE ENDED AUDIO AMPLIFIER PRINTED CIRCUIT BOARD LAYOUT Figure 1—Top Silk Layer Figure 3—Bottom Silk Layer Figure 5—EV0030 Connection Diagram EV0030 Rev. 1.6 6/13/2005 MPS Proprietary Information. Unauthorized Photocopy ...

Page 5

TM EV0030 – 20W STEREO CLASS D SINGLE ENDED AUDIO AMPLIFIER TYPICAL PERFORMANCE CHARACTERISTICS f=1KHz f=10KHz 0.1 f=100Hz 0.01 0 (W) OUT MP7720-TPC02 100 10 1 0.1 0.01 20 100 1K 10K FREQUENCY (Hz) ...

Page 6

TM EV0030 – 20W STEREO CLASS D SINGLE ENDED AUDIO AMPLIFIER QUICK START GUIDE This board is set up from the factory for 24V operation. To use with a 12V power supply adjust the components as specified in the 12V ...

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