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參數(shù)資料
| 型號： | EV7722DF-00C |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 20W Stereo Class D Single Ended Audio Amplifier |
| 中文描述： | 20瓦立體聲D類音頻放大器單端 |
| 文件頁數(shù)： | 8/8頁 |
| 文件大?。?/td> | 531K |
| 代理商： | EV7722DF-00C |
EV7722DF-00C – 20W STEREO CLASS D SINGLE ENDED AUDIO AMPLIFIER
EVALUATION BOARD
NOTICE:
The information in this document is subject to change without notice. Please contact MPS for current specifications.
Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS
products into any application. MPS will not assume any legal responsibility for any said applications.
EV7722DF-00C Rev. 1.1
10/19/2005
www.MonolithicPower.com
8
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2005 MPS. All Rights Reserved.
TM
QUICK START GUIDE
Follow the instructions below for proper setup and operation. The EV board comes from the factory
preconfigured for 24V operation. For 12V operation, R24 must first be removed, see Figure 5.
Figure 5—12V Operation
1. Power Requirements
a. Power supply: 15V to 24V, 3A maximum.
b. 0V to 1V
RMS
(max) audio signal source,
≤
600
.
c. Speaker: 4
to 8
.
a. Set the Enable switch to the DISABLE position.
b. Connect the audio input signal source to the amplifier inputs (IN1, IN2).
c. Connect the external speakers to the EVB Outputs.
d.
Before connecting power supply
, adjust the power supply to 24V DC (do not turn on).
e. Connect the power supply to the V
DD
terminals.
f. Turn on the power supply to apply power to the board.
3. 12V Operation Modifications
a. Remove R24 from the demo board.
4. Music Turn-On Sequence
a. Set the enable switch to the ENABLE position.
b. Audio should be heard from the speaker(s).
5. Music Turn-Off Sequence
a. Set the enable switch to the DISABLE position.
b. Turn off power supply.
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