2*20W class D amp board
View Large 		Product Name : 2*20W class D amp board
Product Origin : China
Product Category : Double-sided PCBs
More Products : Click here!
Contact Details : Recon(HK) Electronics CO.,LTD
Product Code : SL-A08
Product Details

20W digital stereo amp board,class D amp module,digital amplifier module


1. Introduce

 

SL-A08 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 22.5W at RL=4Ω,VCC=12V

·        Power efficiency is up to 93%

·        Low Working Voltage Down To 4V, High Working Voltage up To 14V

·        Thermal Protection function　

·        Output Pin Short-Circuit Protection　

·        Separate VCC & PVCC

·        Class-D stereo audio design

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

·        IC decal is QFN44

·        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 42mm×48mm　 

 

 

 

 

4. Parameter

 



























































PARAMETER
Test Condition
MIN TYP MAX
UNIT

PO（MAX）

Continuous output power

(r.m.s)at 1kHz

 
RL=4Ω
14V
22.5
W

12V
17

5V
3.6

RL=8Ω
14V
13
W

12V
10

5V
1.8

Output noise
 
-70
dBV

S/N
Maximum output at THD+N＜0.5％,

f=1kHz
90
dB

Working Voltage
 
5      12     14
V