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Summary of Contents for Sure Electronics Board-TDA7492
- Page 1 Class D Audio Amplifier Board - TDA7492 User’s Guide © 2004-2011 Sure Electronics Inc. AA-AB32189 & AA-AB32174 & AA-AB34165_Ver1.0...
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Page 2: Table Of Contents
2.2 Input Connections....................5 2.3 Output Connections.................... 6 2.4 LED Indicators..................... 7 2.5 Volume Control....................7 2.6 Notes ........................8 Chapter 3. Electrical Characteristics ................9 Chapter 4. Mechanical Drawing..................11 Chapter 5. Contact Us .....................12 © 2004-2011 Sure Electronics Inc. AA-AB32189&AA-AB32174&AA-AB34165 _Ver1.0_Page i... - Page 3 Class D Audio Amplifier Board - TDA7492 NOTES: ： Product Version Ver 1.0 ： Document Version Ver 1.0 © 2004-2011 Sure Electronics Inc AA-AB32189 & AA-AB32174 & AA-AB34165 Ver1.0_Page ii...
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Page 4: Chapter 1. Overview
Briefly, the power supply range and heat sink performance of each product distinguishes. You may make the proper choice to meet your application needs. FIGURE 1-1 FRONT VIEW © 2004-2011 Sure Electronics Inc. AA-AB32189 & AA-AB32174 & AA-AB34165 _Ver1.0_Page 1... -
Page 5: Features
Excellent design of the power ports which allows you to connect multiple amplifier boards in series (Terminal Block Optional). Excellent heat dissipation eliminates the requirement of an extra heat sink. © 2004-2011 Sure Electronics Inc AA-AB32189 & AA-AB32174 & AA-AB34165 Ver1.0_Page 2... -
Page 6: Quick Start
Use a nearby sound source, such as MP3 or CD player to have a trial. This amplifier board can be deemed as qualified if you can hear the sound corresponding to that sound source © 2004-2011 Sure Electronics Inc. AA-AB32189&AA-AB32174&AA-AB34165 _Ver1.0_Page... - Page 7 Class D Audio Amplifier Board - TDA7492 FIGURE 1-4 CASCADING SCHEMATIC (OPTIONAL) Note: GND should be grounded or connected to the housing of the device. © 2004-2011 Sure Electronics Inc AA-AB32189 & AA-AB32174 & AA-AB34165 Ver1.0_Page 4...
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Page 8: Chapter 2. Hardware Detail
1. You are allowed to use only one way to power the amplifier board at a time. 2. The maximum supply voltage shall be referred to Chapter 3. 2.2 Input Connections You may use RCA connectors to input audio signal. © 2004-2011 Sure Electronics Inc. AA-AB32189&AA-AB32174&AA-AB34165 _Ver1.0_Page 5... -
Page 9: Output Connections
Note: You are allowed to feed only one group (dual channel) of audio signal to the amplifier board at a time. 2.3 Output Connections You can use either terminal blocks or banana connectors (optional) to output audio signal. FIGURE 2-3 OUTPUT CONNECTION © 2004-2011 Sure Electronics Inc AA-AB32189 & AA-AB32174 & AA-AB34165 Ver1.0_Page 6... -
Page 10: Led Indicators
On the other conditions of gain setting, it is recommended that the output signal amplitude is no larger than the power © 2004-2011 Sure Electronics Inc. AA-AB32189 & AA-AB32174 & AA-AB34165... -
Page 11: Notes
In order to protect amplifier and speaker, please turn the volume output to the minimum when hooking up the amplifier and you may readjust the volume when you are sure that the amplifier is functioning properly. © 2004-2011 Sure Electronics Inc AA-AB32189 & AA-AB32174 & AA-AB34165 Ver1.0_Page 8... -
Page 12: Chapter 3. Electrical Characteristics
36.6 37.6 38.6 Frequency Range 20Hz to 20KHz（±3dB） Both channels Efficiency output rating >90% power. Input Impedance 48K ohm 60K ohm Load 6 ohm Operating Temperature 0℃ 20℃ 50℃ © 2004-2011 Sure Electronics Inc. AA-AB32189 & AA-AB32174 & AA-AB34165_Ver1.0_Page 9... - Page 13 1. Stresses beyond the listed maximum power supply voltage may cause the permanent damage to components on board. The input sensitivity values are calculated on the basis of 6 Ohm load. © 2004-2011 Sure Electronics Inc AA-AB32189 & AA-AB32174 & AA-AB34165 Ver1.0_Page 10...
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Page 14: Chapter 4. Mechanical Drawing
CLASS D AUDIO AMPLIFIER BOARD - TDA7492 USER’S GUIDE Chapter 4. Mechanical Drawing FIGURE 4-1 MECHANICAL DRAWING © 2004-2011 Sure Electronics Inc. AA-AB32189 & AA-AB32174 & AA-AB34165_Ver1.0_Page 11... -
Page 15: Chapter 5. Contact Us
Sure Electronics Co., Ltd. East zone, 3F, Building 6 Jingang Technology Innovation Center No.108 Ganjiabian Rd (ZIP: 210000) Qixia District Nanjing P.R.China Tel: +86-25-68154800-860 Fax: +86-25-68154891-832 Website: www.sure-electronics.com Email: customerservice@sure-electronics.com © 2004-2011 Sure Electronics Inc. AA-AB32189 & AA-AB32174 & AA-AB34165 _Ver1.0_Page 12...
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