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EV0030 Datasheet(PDF) 6 Page - Monolithic Power Systems |
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EV0030 Datasheet(HTML) 6 Page - Monolithic Power Systems |
6 / 6 page EV0030 – 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. EV0030 Rev. 1.6 www.MonolithicPower.com 6 6/13/2005 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2005 MPS. All Rights Reserved. TM 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 operation Section 3 below. For more information, consult the MP7720 datasheet. 1. Power Requirements a. Power supply: 24V, 6A maximum. b. 0V to 1VRMS (max) audio signal source. c. Speaker: 4Ω or 8Ω. 2. Setup Condition for 24V Operation a. Connect the outputs to the external speakers. b. Adjust the power supply to 24V (do not turn on). c. Connect the power supply to the VDD terminals. d. Set the enable switch to the DISABLE position. e. Connect the audio input signal source to the amplifier inputs (IN1, IN2). f. Turn on the power supply to apply power to the board. 3. 12V Operation Modifications a. Change C11 and C12 to 2.2nF components. Change R13 and R14 to 2kΩ (consult the MP7720 datasheet for more details). b. Adjust the power supply to 12V (do not turn on). c. Use same procedure for turn on as specified in Section 2. 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. |
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