VMA2012 3Wx2 Class D Audio Amp Module

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$4.000
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Quick Overview

VMA2012 is a compact, low power, high efficiency 3Wx2 stereo class D audio amplifier. It can drive two 8Ω speakers up to 3W when supply voltage is 5.5V. The THD+N is only 0.2% when output power is 1.5W. Low power, small size and high efficiency makes VMA2012 a ideal choice for applications where space and power is limited.

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VMA2012 3Wx2 Class D Audio Amp Module

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General description

 VMA2012 is a compact, low power, high efficiency 3Wx2 stereo class D audio amplifier. It can drive two 8Ω speakers up to 3W when supply voltage is 5.5V. The THD+N is only 0.2% when output power is 1.5W. Low power, small size and high efficiency makes VMA2012 a ideal choice for applications where space and power is limited.

 Applications

  • Desktop audio
  • Portable audio 
  • Radio
  • Embedded notebook audio
  • Home entertainment 
  • Accessories for MP3 player

 Pinout

  
Pin Description

 

Pin No.

Name

Function Description

1

IN1+

Channel 1 input positive

2

IN1-

Channel 1 input negative

3

IN2+

Channel 2 input positive

4

IN2-

Channel 2 input negative

5

EN

Chip Enable, active high

6

GND

Power Ground

7

Out2+

Output 2 Positive

8

Out2-

Output 2 Negative

9

Out1+

Output 1 Positive

10

Out1-

Output 2 Negative

11

NC

 

12

VCC

Power Supply 2.7-5.5V

Electrical Characteristics

Parameters

Value

Supply Voltage

2.7V to 5.5V

Power

3Wx2(5.5V, 8Ohm, 10%THD)

THD+N

0.2%

Efficiency

87% max

Idle Current

10uA

 Block Diagram

 

Testing Circuit

  Footprint and dimensions

 

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Price
Value
Quality
Part No.VMA2012
TypeClass D
IC usedVMA2012
No. of channles2
Power Supply2.7V - 5.5V single
Output Power3W x2
Gain Bandwidth20Hz-20kHz
THD0.2%
GainConfig
Load Resistance8-16Ω
Input Resistance>1.5k
Dimension (L x W x H)18mm x 16mm x 4mm
Effeciency87%

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