digital audio amplifier module

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1. Introduce

SL-A03 is the new design, it is new product of digital amplifier board,use SMT decal of main IC,connection is very simple. High Power efficiency,Less heat.

2. Aplication

·Power speaker

·Digital product

·Computer and laptop

·Portable product

·Wireless product

·TV, DVD and the other product

3. Feature

·Output Power: Maximum 16W at RL=4Ω,VCC=15V,BTL

                 Rating 10W at RL=4Ω,VCC=12V,BTL

·Power efficiency is up to 82%

·Low Working Voltage Down To 5V, High Working Voltage up To 15V

·Thermal Protection function

·Output Pin Short-Circuit Protection

·Low Supply Current (10mA Typical at 12V)

·Low Current in Shutdown Mode (<1µA Typical)

·Separate VCC & PVCC

·Class-D stereo audio design

·Components use SMT decal, the board dimension is very small

·IC decal is TQFP48

·No external heat-sink, Less heat, save heat sink cost

·The current is very small

·The PCB design provides both bead and LC solutions

·The dimension is only 47mm×40mm  

 

 

 

 

 

 

4. Parameter

 

PARAMETER

Test Condition

MIN TYP MAX

UNIT

PO(MAX)

Continuous output power

(r.m.s)at 1kHz

RL=4Ω

15V

Max 16

W

12V

10

9V

6.22

RL=6Ω

15V

MAX 14.5

W

12V

9.3

9V

5.34

RL=8Ω

15V

12.7

W

12V

8

9V

4.58

RL=16Ω

15V

7.65

W

12V

4.8

9V

2.73

Output noise

 

-70

dBV

S/N

Maximum output at THD+N<0.5%,

f=1kHz

85

dB

Crosstalk between outputs

VCC=12V, PO=1W RL=8Ω

-60

dB

Working Voltage

 

5      12     15

V

 

GAIN

Voltage Gain at Vcc=15V

Gain0=High, Gain1=High

34

dB

Gain0=Low, Gain1=High

28

Gain0=High, Gain1=Low

22

Gain0=Low, Gain1=Low

18

Voltage Gain at Vcc=12V

Gain0=High, Gain1=High

32

Gain0=Low, Gain1=High

26

Gain0=High, Gain1=Low

20

Gain0=Low, Gain1=Low

16

Voltage Gain at Vcc=9V

Gain0=High, Gain1=High

30

Gain0=Low, Gain1=High

25

Gain0=High, Gain1=Low

19

Gain0=Low, Gain1=Low

14


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Ms. Mily huang
Tel: 86-769-22826980
Mobile: 15820399448
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Sunlight Electronic co.,ltd
HONGFU ROAD,NANCHENG CITY, Dongguan, Guangdong, China (Mainland)
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