product
product
Location ：Home > Class D amplifier board > digital amplifier board
 |
|
 |
Name：class D 25W stereo amplifier board
Describe：
SL-A09S is the new class D amplifier module,which is high End design, it is new product of digital amplifier board,use SMT decal of main IC,connection is very simple.High Power efficiency,Less heat.High Performance with heatsink
Content：
1. Introduce
digital amplifier module,class D audio amplifier module
SL-A09S is the new class D amplifier module,which is high End design, it is new product of digital amplifier board,use SMT decal of main IC,connection is very simple.High Power efficiency,Less heat.High Performance with heatsink.
2. Application
Power speaker
LCD monitor
Computer and laptop monitor
LCD monitor
Computer and laptop monitor
3. Feature
· 2*25W output power in stereo mode(8Ω THD=10%)
· High efficiency: Up to 90%
· Filterless class D amplifier
· Programmable gain(+22dB, +29.5dB, +36dB)
· High PSRR(90dB at 1KHz)
· Shutdown and mute control
· Integrated click-and-pop suppression
· Low 0.2% THD+N
· Current limit and thermal protection
· Available in thermally efficient, space-saving package: 56 pin TQFN
The dimension is only 72mm*48mm
4. Parameter
|
PARAMETER
|
Test Condition
|
MIN TYP MAX
|
UNIT
|
|
|
PO（MAX）
Continuous output power
(r.m.s)at 1kHz
|
|
PVDD=20V
RL=8Ω
|
25
|
W
|
|
PVDD=22V
RL=8Ω
|
29
|
|||
|
PVDD=12V，RL=4Ω
|
15
|
|||
|
Output noise
|
|
-70
|
dBV
|
|
|
S/N
|
Maximum output at THD+N＜0.5％,
f=1kHz
|
91
|
dB
|
|
|
Working Voltage
|
|
9 22
|
V
|
|