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Sure Electronics PAM8803, Руководство пользователя

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Sure Electronics PAM8803 Скачать руководство пользователя страница 21

2*2W @4

Ω

 PAM8803 CLASS-D 

 AUDIO AMPLIFIER BOARD 

USER’S GUIDE 

 

©

 2004-2010 Sure Electronics Inc.               

Chapter 5. Appendix 

 

FIGURE 5-1 SCHEMATIC

 

VCC

AA-AB32131&AA-AB32133_Ver1.0_Page 18

 

RST

VCC

FB

C2

1uF/50V

C10

1uF/50V

VCC

C6

1uF/50V

OUT_R+

DN

VCC

FB

R7

6.8K

U1

PAM8803

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

-OUT_L

PG

N

D

PG

N

D

+OUT_L

PV

D

D

MUTE

VD

D

INL

NC

VREF

NC

NC

DN

UP

RST

NC

INR

GN

D

SHDN

VD

D

+OUT_R

PGN

D

PGN

D

-OUT_R

C11

104

1

2

VCC

R2

6.8K

D3

SS14

VCC

OUT_R-

J3 CON2

2

1

VCC

INL

VCC

SW2

1

2

3

4

D2 SS14

SHDN

OUT_R-

J7

PHONEJACK STEREO

1

2

3

SW3

SW DIP-2/SM

1

2

4

3

R6

1.5K

+

C1

10uF/25V/TAN

1

2

UP

R4

470R

OUT_L-

D1

SS14

UP

RST

+

C7

10uF/25V/TAN

1

2

MUTE

INL

OUT_L+

J2

CON2

2

1

DN

J5 con4

1

2

3

4

C3

1uF/50V

+

C8

220uF/10V

1

2

OUT_L+

U2

AX3022/SOT89-5L

4

5

3

1

2

EN

VC

C

FB

SW

VSS

VCC

J1

CON2

1

2

J8 con4

1

2

3

4

VCC

SHDN

SHDN

INR

INL

J6

CON2

1

2

R5

6.8K

INR

R8

6.8K

+

C9

100uF/16V

1

2

R1

6.8K

D4

LED/G

VCC

C5

1uF/50V

VCC

L1

33uH

C4

1uF/50V

J4

CON3

1

2
3

MUTE

INR

R3

104

4

SW1

OUT_R+

OUT_L-

1

2

3

J9

DJ005B

3

2

1

 

Note: 

The schematic is for reference only. 

 

 
 
 
 

Содержание PAM8803

Страница 1: ...2 2W 4 PAM8803 Class D Audio Amplifier Board User s Guide 2004 2010 Sure Electronics Inc AA AB32131 AA AB32133_Ver1 0...

Страница 2: ...3 Applications 3 1 4 Benefits 3 1 5 Quick Start 3 Chapter 2 Hardware Detail 5 2 1 Power Connection 5 2 2 Input Connection 6 2 3 Output Connections 6 2 4 Mute Settings 7 2 5 Sleep Settings 9 2 6 Volum...

Страница 3: ...2 2W 4 PAM8803 Class D Audio Amplifier Board 2004 2010 Sure Electronics Inc AA AB32131 AA AB32133_Ver1 0_Page ii NOTES Product Version Ver 1 0 Document Version Ver 1 0...

Страница 4: ...oys PAM s PAM8803 IC which offers 64 step digital volume control and low THD N allowing it to produce high quality sound reproduction It s especially suitable for small speakers This amplifier board c...

Страница 5: ...to12V via a power port Two to three AA batteries or DC2 5V to 4 0V via a terminal block AA AB32133 Two to three AA batteries or DC2 5V to 4 0V via a terminal block y Two kinds of input Line level inp...

Страница 6: ...er Receiver y Multi channel Distribution y Active DVD System y Mini micro Systems 1 4 Benefits y Mounting holes facilitate installation and fixing y Several wiring methods facilitate connection y Exce...

Страница 7: ...bserve the connection schematics when connecting the amplifier board 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...

Страница 8: ...oard diodes can prevent the consequence of wrong connection of power supply FIGURE 2 1 POWER CONNECTION AA AB32131 FIGURE 2 2 POWER CONNECTION AA AB32133 TABLE 2 1 POWER PORT Connector Mark Descriptio...

Страница 9: ...ting holes for line level audio input FIGURE 2 3 INPUT CONNECTION AA AB32131 FIGURE 2 4 INPUT CONNECTION AA AB32133 TABLE 2 2 INPUT PORT Connector Mark Description Lin Left Channel Input GND GND Mount...

Страница 10: ...ve Output of Right Channel J2 Output of Left Channel Terminal Blocks J3 Output of Right Channel Note 1 Never connect more than one group of speaker to the audio output 2 Refer to on board descriptions...

Страница 11: ...2 2W 4 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...

Страница 12: ...regular operation MUTE Note Never connect MUTE to any power supply or voltage higher than 5V 2 5 Sleep Settings Two kinds of connection and installation are available mounting holes and DIP switches...

Страница 13: ...ion J6 When SHDN is connected with GND the chip will be set to SLEEP and enter low power consumption working mode When SHDN is connected with high level or left unconnected the chip will resume regula...

Страница 14: ...OF DIP SWITCHES AA AB32131 FIGURE 2 12 SETTINGS OF DIP SWITCHES AA AB32133 TABLE 2 6 SETTINGS OF DIP SWITCHES SHDN Settings K2 Function ON Sleep mode OFF Working mode 2004 2010 Sure Electronics Inc A...

Страница 15: ...VOLUME CONTROL SETTINGS AA AB32131 TABLE 2 7 VOLUME CONTROL SETTINGS AA AB32131 Volume Control Settings K1 Function ON Disable the tactile switches OFF Enable the tactile switches for volume control N...

Страница 16: ...dB Step Gain dB Step Gain dB Step Gain dB 1 75 0 17 4 8 33 11 2 49 17 6 2 39 7 18 5 1 34 11 6 50 18 0 3 34 0 19 5 5 35 12 0 51 18 4 4 28 2 20 5 9 36 12 3 52 18 8 5 22 4 21 6 3 37 12 7 53 19 2 6 16 5...

Страница 17: ...do not observe the following warnings Warning 1 Quality related issues caused by potentiometers installed by buyers Warning 2 In order to achieve a better sound quality please use stable power supply...

Страница 18: ...32131 AA AB32133 2 5V 4 5 DC12V NO load 100mA AA AB32131 MUTE 0 10mA 40mA 2AA batt NO load 20mA Quiescent Current AA AB32133 MUTE 0 10mA 20mA Signal Noise Ratio 85dB Input Sensitivity A 0dB 0 720V RL...

Страница 19: ...nics Inc AA AB32131 AA AB32133_Ver1 0_Page 16 Volume Adjustable K1 OFF 75dB 23 8dB Power Gain Volume not adjustable K1 ON 2 6dB Operating Temperature 0 20 70 Storage Temperature 20 20 105 Thermal Shut...

Страница 20: ...2 2W 4 PAM8803 CLASS D AUDIO AMPLIFIER BOARD USER S GUIDE 2004 2010 Sure Electronics Inc Chapter 4 Mechanical Drawing FIGURE 4 1 MECHANICAL DRAWING AA AB32131 AA AB32133_Ver1 0_Page 17...

Страница 21: ...C11 104 1 2 VCC R2 6 8K D3 SS14 VCC OUT_R J3 CON2 2 1 VCC INL VCC SW2 1 2 3 4 D2 SS14 SHDN OUT_R J7 PHONEJACK STEREO 1 2 3 SW3 SW DIP 2 SM 1 2 4 3 R6 1 5K C1 10uF 25V TAN 1 2 UP R4 470R OUT_L D1 SS14...

Страница 22: ...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 Web...

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