Product Main

Specifications

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