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
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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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|
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PO(MAX)
Continuous output power
(r.m.s)at 1kHz
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RL=4Ω
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15V
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Max 16
|
W
|
|
12V
|
10
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|||
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9V
|
6.22
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|||
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RL=6Ω
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15V
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MAX 14.5
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W
|
|
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12V
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9.3
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|||
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9V
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5.34
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|||
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RL=8Ω
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15V
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12.7
|
W
|
|
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12V
|
8
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|||
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9V
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4.58
|
|||
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RL=16Ω
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15V
|
7.65
|
W
|
|
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12V
|
4.8
|
|||
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9V
|
2.73
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|||
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Output noise
|
|
-70
|
dBV
|
|
|
S/N
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Maximum output at THD+N＜0.5％,
f=1kHz
|
85
|
dB
|
|
|
Crosstalk between outputs
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VCC=12V, PO=1W RL=8Ω
|
-60
|
dB
|
|
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Working Voltage
|
|
5 12 15
|
V
|
|
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GAIN
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Voltage Gain at Vcc=15V
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Gain0=High, Gain1=High
|
34
|
dB
|
|
Gain0=Low, Gain1=High
|
28
|
|||
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Gain0=High, Gain1=Low
|
22
|
|||
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Gain0=Low, Gain1=Low
|
18
|
|||
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Voltage Gain at Vcc=12V
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Gain0=High, Gain1=High
|
32
|
||
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Gain0=Low, Gain1=High
|
26
|
|||
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Gain0=High, Gain1=Low
|
20
|
|||
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Gain0=Low, Gain1=Low
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16
|
|||
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Voltage Gain at Vcc=9V
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Gain0=High, Gain1=High
|
30
|
||
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Gain0=Low, Gain1=High
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25
|
|||
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Gain0=High, Gain1=Low
|
19
|
|||
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Gain0=Low, Gain1=Low
|
14
|