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Location ：Home > Class D amplifier board > digital amplifier board
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Name：Digital 20W stereo amp board SL-A08
Describe：
SL-A08 is the class D amplifier board, it is new product of digital amplifier board,use SMT decal of main IC,connection is very simple.it driver 2*20W at 8ohm 14V,it use MAXIM chip,with high performance.
Content：
class D amplifier board,audio amplifier board,digital amp board
SL-A08 is the new design, it is new product of digital amplifier board,use SMT decal of main IC,connection is very simple.it driver 2*20W at 8ohm 14V,it use MAXIM chip,with high performance.
2. Application
· 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=14V
· 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
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PARAMETER
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Test Condition
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MIN TYP MAX
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UNIT
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PO（MAX）
Continuous output power
(r.m.s)at 1kHz
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RL=4Ω
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14V
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22.5
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W
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12V
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17
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5V
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3.6
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RL=8Ω
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14V
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13
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W
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12V
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10
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5V
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1.8
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Output noise
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-70
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dBV
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S/N
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Maximum output at THD+N＜0.5％,
f=1kHz
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90
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dB
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Working Voltage
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5 12 14
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V
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