MP7722DF Datasheet_PDF文件下载_芯片资料查询

TM

EV7722DF-00C

20W Stereo Class D

Single Ended Audio Amplifier

EVALUATION BOARD

The Future of Analog IC Technology

TM

DESCRIPTION

The EV7722DF-00C is the evaluation board for

the MP7722. The MP7722 is a stereo 20W

Class D Audio Amplifier. It is one of MPS鈥?/div>

second generation of fully integrated audio

amplifiers which dramatically reduces solution

size by integrating the following:

鈥?/div>

180m鈩?power MOSFETs

鈥?/div>

Startup / Shutdown pop elimination

鈥?/div>

Short circuit protection circuits

鈥?/div>

Mute / Standby

The MP7722 utilizes a single ended output

structure capable of delivering 2x20W into 4鈩?/div>

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鈥?AAM

TM

proprietary variable

frequency topology that delivers excellent

linearity, fast response time and operates on a

single power supply.

FEATURES

鈥?/div>

20W Output at V

DD

= 24V into a 4鈩?load

THD+N = 0.06% at 1W, 8鈩?/div>

93% Efficiency at 20W

Low Noise (190碌V Typical)

Switching Frequency Up to 1MHz

9.5V to 24V Operation from a Single Supply

Mute/Standby Modes (Sleep)

Flat Panel and Projection Televisions

DVD and Surround Sound Systems

Flat Panel Monitors

Multimedia Computers

Home Stereo Systems

APPLICATIONS

鈥淢PS鈥?and 鈥淭he Future of Analog IC Technology鈥?are Trademarks of Monolithic

Power Systems, Inc.

AAM (Analog Adaptive Modulation) is a Trademark of Monolithic Power

Systems, Inc.

ELECTRICAL SPECIFICATIONS

Parameter

Supply Voltage

Symbol

V

DD

Value

24

Units

V

EV7722DF-00C EVALUATION BOARD

THD+N vs Output Power

24V, f = 1KHz

10

THD+N (%)

1

0.1

(L x W x H) 3.5鈥?x 2.4鈥?x 1.2鈥?/div>

8.9cm x 6.1cm x 3.0cm

Board Number

EV7722DF-00C

EV7722DF-00C Rev. 1.1

10/19/2005

0.01

0.1

1

10

OUTPUT POWER (W)

MP7722_TPC01

MPS IC Number

MP7722DF

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

1

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