Related Manuals for Sure Electronics TDA7498
Summary of Contents for Sure Electronics TDA7498
- Page 1 Class D Audio Amplifier Board - TDA7498 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 - TDA7498 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
50W @6 Ohm AA-AB34165 25W @6 Ohm They integrate ST’s high performance TDA7498 supporting dual channel audio amplification. Both of channels are capable of outputting nominal power simultaneously and continuously. They integrate an external extensible interface to connect the matching product of a volume control board and a rotary encoder board for volume control. -
Page 5: Features
Class D Audio Amplifier Board - TDA7498 FIGURE 1-2 ACCESSORIES PACKAGE (OPTIONAL) Note: The diagrams above are used for reference only. 1.2 Features A perfect "Class D" architecture Frequency response: 20Hz to 20KHz(±3dB) Four selectable, fixed gain settings of nominally 25.6 dB, 31.6 dB, 35.1 dB and 37.6... -
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 - TDA7498 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
Class D Audio Amplifier Board - TDA7498 FIGURE 2-2 INPUT CONNECTION TABLE 2-2 INPUT CONNECTION Connector Mark Channel Description Channel 1 Input RCA connector Channel 2 Input Channel 1 Input Terminal Blocks （Optional） Channel 2 Input Note: You are allowed to feed only one group (dual channel) of audio signal to the amplifier board at a time. -
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
Class D Audio Amplifier Board - TDA7498 supply voltage once the input signal reaches the peak. Take AA-AB32189 for example, the maximum amplitude of the input signal is no more than 320mV RMS when power supply voltage is 36V, load impedance is 6 ohm and the gain is set at 37.6 dB. -
Page 12: Chapter 3. Electrical Characteristics
CLASS D AUDIO AMPLIFIER BOARD - TDA7498 USER’S GUIDE Chapter 3. Electrical Characteristics Following table lists all typical data of the Amp board. For full specification, please refer to the data sheet of ST’s TDA7498 chip. TABLE 3-1 ELECTRICAL CHARACTERISTICS Parameter Condition Min. - Page 13 Class D Audio Amplifier Board - TDA7498 Storage Temperature -20℃ 20℃ 105℃ Thermal Shutdown 150℃ Note: 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.
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Page 14: Chapter 4. Mechanical Drawing
CLASS D AUDIO AMPLIFIER BOARD - TDA7498 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...