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8002 (INCOME) : Total 17 Pages

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8002
8002 DataSheet V1.0
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CONTENTS
8002
General Description...........................................................................................................................................4
Features.............................................................................................................................................................4
Applications......................................................................................................................................................4
Typical Application Circuit...............................................................................................................................4
Absolute Maximum Ratings..............................................................................................................................5
Electrical Characteristics...................................................................................................................................5
Pin Configuration..............................................................................................................................................6
Pin Layout.....................................................................................................................................................6
Pin Discription...............................................................................................................................................6
Typical Characteristics......................................................................................................................................7
THD, THD+N,S/N........................................................................................................................................7
Power Supply Rejection Ratio (PSRR)...........................................................................................................9
Power Dissipation........................................................................................................................................10
Output Power...............................................................................................................................................11
Application Information..................................................................................................................................12
BLOCK DIAGRAM...................................................................................................................................12
BRIDGE CONFIGURATION EXPLANATION..........................................................................................13
POWER DISSIPATION..............................................................................................................................13
POWER SUPPLY BYPASSING...................................................................................................................14
SHUTDOWN FUNCTION.........................................................................................................................14
PROPER SELECTION OF EXTERNAL COMPONENTS.........................................................................14
Selection of Input Capacitor Size..................................................................................................................15
AUDIO POWER AMPLIFIER DESIGN......................................................................................................15
A 1W/8Audio Amplifier......................................................................................................................15
Physical Size of Chip Package.....................................................................................................................17
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8002
FIGURE LIST
Figure1. typical Audio Amplifier Application Circuit.........................................................................................4
Figure2. SOP Package Pin Distribution...............................................................................................................6
Figure3. The block diagram of 8002.................................................................................................................12
Figure4. The Package of SOP-8........................................................................................................................17
TABLE LISTS
Table1. Chip Limit Parameter Table....................................................................................................................5
Table2. Electrical Characteristics......................................................................................................................5
Table3. Pin Discription......................................................................................................................................6
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8002
General Description
The 8002 is an audio power amplifier primarily designed for demanding applications in low-power portable
systems. It is capable of delivering 3 watts of continuous average power to an 3BTL load with less than 10%
distortion (THD) from a 5VDC power supply. the 8002 does not require output coupling capacitors or bootstrap
capacitors, and therefore is ideally suited for mobile phone and other low voltage applications where minimal power
consumption is a primary requirement.the 8002 features a low-power consumption shutdown mode.the 8002 contains
advanced pop & click circuitry which eliminates noise which would otherwise occur during turn-on and turn-off
transitions. The 8002 is unity-gain stable and can be configured by external gain-setting resistors
Features
Power Output at 5.0V, 10% THD+N, 33W (typ)
Power Output at 5.0V,10% THD+N,42.65W (typ)
Power Output at 5.0V,10% THD+N,81.8W (typ)
Shutdown Current 0.6µA (typ)
Available in space-saving packages: SOP
Improved pop & click circuitry eliminates noise during turn-on and turn-off transitions
2.20- 5.5V operation
No output coupling capacitors, snubber networks or bootstrap capacitors required
Unity-gain stable
External gain configuration capability
Applications
Portable computers
Desktop computers
Low voltage audio systems
Typical Application Circuit
ypical Audio Amplifier Application Circuit
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