Related Manuals for Sure Electronics PAM8803
Summary of Contents for Sure Electronics PAM8803
- Page 1 2*2W @4Ω PAM8803 Class-D Audio Amplifier Board User’s Guide © 2004-2010 Sure Electronics Inc. AA-AB32131&AA-AB32133_Ver1.0...
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Page 2: Table Of Contents
2*2W @4Ω PAM8803 CLASS-D AUDIO AMPLIFIER BOARD USER’S GUIDE Table of Contents Chapter 1. Overview ......................1 1.1 Overview ......................1 1.2 Features ....................... 2 1.3 Applications......................3 1.4 Benefits ........................ 3 1.5 Quick Start ......................3 Chapter 2. Hardware Detail ....................5 2.1 Power Connection.................... - Page 3 2*2W @4Ω PAM8803 Class-D Audio Amplifier Board NOTES: Product Version Ver 1.0 ： Document Version Ver 1.0 ： © 2004-2010 Sure Electronics Inc AA-AB32131&AA-AB32133_Ver1.0_Page ii...
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Page 4: Chapter 1. Overview
2W per channel of output power into a 4Ω load. It employs PAM ’s PAM8803 IC which offers 64-step digital volume control and low THD+N, allowing it to produce high-quality sound reproduction. -
Page 5: Features
2*2W @4Ω PAM8803 Class-D Audio Amplifier Board FIGURE 1-2 OVERVIEW OF AA-AB32133 FIGURE 1-1 ACCESSORY Note: All the diagrams in this manual are for reference only. 1.2 Features A perfect “Class D” architecture Fully-bridged stereo output power supply: AA-AB32131: Wide power supply range: DC4.5V to12V via a power port Two to three AA batteries DC2.5V to 4.0V via a terminal block... -
Page 6: Applications
Excellent heat dissipation eliminate the requirement of an extra heat sink Tactile switches for volume control are adjustable 1.5 Quick Start Suggested connection is shown in figure 1-4 and figure 1-5. FIGURE 1-4 CONNECTION (AA-AB32131) © 2004-2010 Sure Electronics Inc. AA-AB32131&AA-AB32133_Ver1.0_Page 3... - Page 7 2*2W @4Ω PAM8803 Class-D Audio Amplifier Board FIGURE 1-5 CONNECTION (AA-AB32133) Note: Please observe the following steps to complete verification so as to ensure the products are intact during transit. 1. Open the amplifier package and make sure the product is intact (No missing or damaged components and no deformation) 2.
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Page 8: Chapter 2. Hardware Detail
2*2W @4Ω PAM8803 CLASS-D AUDIO AMPLIFIER BOARD USER’S GUIDE Chapter 2. Hardware Detail 2.1 Power Connection To power the amplifier board, use either jack or terminal blocks. On-board diodes can prevent the consequence of wrong connection of power supply. FIGURE 2-1 POWER CONNECTION (AA-AB32131) -
Page 9: Input Connection
2*2W @4Ω PAM8803 Class-D Audio Amplifier Board Note: 1. You are allowed to use only one way to power the amplifier board at a time. 2. The maximum supply voltage shall not exceed 14V. 3. One less than 6V battery or more connected in series can be used to power the board. -
Page 10: Mute Settings
The hole for MUTE is reserved on the board. To mute the output audio signal, connect “GND” and “MUTE” of the terminal block with a piece of lead. Usually, “MUTE” shall be left unconnected. © 2004-2010 Sure Electronics Inc. AA-AB32131&AA-AB32133_Ver1.0_Page 7... - Page 11 2*2W @4Ω PAM8803 Class-D Audio Amplifier Board FIGURE 2-7 MUTE SETTINGS (AA-AB32131) FIGURE 2-8 MUTE SETTINGS (AA-AB32133) © 2004-2010 Sure Electronics Inc AA-AB32131&AA-AB32133_Ver1.0_Page 8...
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Page 12: Sleep Settings
Two kinds of connection and installation are available: mounting holes and DIP switches. To enable sleep settings, connect “GND” and “SHDN” of the terminal block with a piece of lead. Usually, “SHDN” shall be left unconnected. FIGURE 2-9 SLEEP SETTINGS (AA-AB32131) © 2004-2010 Sure Electronics Inc. AA-AB32131&AA-AB32133_Ver1.0_Page 9... - Page 13 2*2W @4Ω PAM8803 Class-D Audio Amplifier Board FIGURE 2-10 SLEEP SETTINGS (AA-AB32133) TABLE 2-5 SLEEP SETTINGS Connector Mark Description When “SHDN” is connected with “GND”, the chip will be set to SLEEP and enter low-power-consumption working mode. When SHDN “SHDN” is connected with high level or left unconnected, the chip will resume regular operation.
- Page 14 Hardware Detail FIGURE 2-11 SETTINGS OF DIP SWITCHES (AA-AB32131) FIGURE 2-12 SETTINGS OF DIP SWITCHES (AA-AB32133) TABLE 2-6 SETTINGS OF DIP SWITCHES SHDN Settings Function Sleep mode Working mode © 2004-2010 Sure Electronics Inc. AA-AB32131&AA-AB32133_Ver1.0_Page 11...
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Page 15: Volume Control Settings
2*2W @4Ω PAM8803 Class-D Audio Amplifier Board Note: SLEEP means that the chip works with low power consumption. MUTE means that the chip normally works with no output. 2.6 Volume Control Settings On-board 2-slide DIP switches marked as “SW3” is used for volume control. K1 is used to set volume and K2 used to set the SHDN of the chip. - Page 16 12.7 19.2 -16.5 13.2 19.6 -10.5 13.6 20.0 -8.0 14.0 20.4 -5.5 14.4 20.9 -2.9 14.8 21.3 -0.4 15.2 21.7 15.6 22.1 16.0 22.5 10.0 16.4 22.9 10.4 16.8 23.4 10.7 17.2 23.8 © 2004-2010 Sure Electronics Inc. AA-AB32131&AA-AB32133_Ver1.0_Page 13...
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Page 17: Led Indicator
2*2W @4Ω PAM8803 Class-D Audio Amplifier Board 2.8 LED Indicator This amplifier has one power LED indicator which is marked “Power (D4)”. The power indicator will be illuminated in green when power-up. Please refer to the connection schematic of the board for the LED location. -
Page 18: Chapter 3. Electrical Characteristics
2*2W @4Ω PAM8803 CLASS-D AUDIO AMPLIFIER BOARD USER’S GUIDE Chapter 3. Electrical Characteristics Following table lists all typical data. For full specification, please refer to the PAM’s data sheet of PAM8803 chip. =20 , f=1000Hz RL=4Ω, f=1000Hz, Sine wave input, R =4Ω... - Page 19 K1=OFF -75dB 23.8dB Adjustable Power Gain* Volume not K1=ON 2.6dB adjustable Operating Temperature 0℃ 20℃ 70℃ Storage Temperature -20℃ 20℃ 105℃ Thermal Shutdown* 150℃ Note: *The chip specifications from PAM’s PAM8803 Data Sheet. © 2004-2010 Sure Electronics Inc AA-AB32131&AA-AB32133_Ver1.0_Page 16...
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Page 20: Chapter 4. Mechanical Drawing
2*2W @4Ω PAM8803 CLASS-D AUDIO AMPLIFIER BOARD USER’S GUIDE Chapter 4. Mechanical Drawing FIGURE 4-1 MECHANICAL DRAWING © 2004-2010 Sure Electronics Inc. AA-AB32131&AA-AB32133_Ver1.0_Page 17... -
Page 21: Chapter 5. Appendix
2*2W @4Ω PAM8803 CLASS-D AUDIO AMPLIFIER BOARD USER’S GUIDE Chapter 5. Appendix FIGURE 5-1 SCHEMATIC 10uF/25V/TAN 1uF/50V OUT_L+ OUT_L- OUT_R+ OUT_R- +OUT_L +OUT_R SS14 CON2 -OUT_L -OUT_R 1uF/50V 1uF/50V CON2 CON2 1uF/50V PAM8803 VREF MUTE MUTE CON3 SHDN SHDN con4 6.8K... -
Page 22: Chapter 6. Contact Us
2*2W @4Ω PAM8803 CLASS-D AUDIO AMPLIFIER BOARD USER’S GUIDE Chapter 6. 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...
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