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EV0041 Datasheet(Fiches technique) 4 Page - Monolithic Power Systems

Numéro de pièce EV0041
Description  Full Bridge or Single Ended Audio Amplifier
Télécharger  5 Pages
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Fabricant  MPS [Monolithic Power Systems]
Site Internet  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

EV0041 Datasheet(HTML) 4 Page - Monolithic Power Systems

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EV0041
MP8040
Full Bridge or Single Ended
Audio Amplifier
EVALUATION BOARD
EV0041 Rev 1.4_8/1/05
Monolithic Power Systems, Inc.
4
Monolithic Power Systems
Operation
1.
The EV0041 comes configured as a stereo single ended audio amplifier (EV0041A).
2.
To configure the board as a full bridge circuit (EV0041B), short R4, R7, R9, remove C4, C7 and
stuff C12 with a 0.47
µF capacitor.
3.
Connect the audio inputs to the IN pins as shown in Figure 5.
4.
Connect speakers to pins 1-4 as shown in Figure 5 for single ended configuration. Use pins 2 and
3 for bridged circuit.
5.
Connect the power supply to the VIN terminals as shown in Figure 5.
6.
SHDN enables/disables the MP8040. Drive SHDN low to turn on the MP8040, drive it high to turn
it off. If not used connect SHDN to GND.
7.
A low output at FLT indicates that the MP8040 has detected a fault and has shutdown.
8.
The DR pin is an optional fixed 5V voltage output capable of driving a 1mA load for external
circuitry.
Figure 5: Top Side Evaluation Board Diagram
Single
Ended
Outputs
-
+
+
-
Power Supply
VIN
GND
Right
Channel
Left
Channel
Left
Channel
Right
Channel
IN
SHDN
FLT
DR
GND
Bridge
Outputs
1
2
3
4
IN
SHDN
FLT
DR
GND


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