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A21SP16 Datasheet(PDF) 17 Page - STMicroelectronics

Part # A21SP16
Description  3 W filter-free class-D audio power amplifier
PDF  37 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

A21SP16 Datasheet(HTML) 17 Page - STMicroelectronics

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DocID026037 Rev 2
17/37
A21SP16
Electrical characteristic curves
37
Figure 4. Current consumption vs. power
supply voltage
Figure 5. Current consumption vs. standby
voltage
012
345
0.0
0.5
1.0
1.5
2.0
2.5
No load
Tamb=25
°C
Power Supply Voltage (V)
012
345
0.0
0.5
1.0
1.5
2.0
2.5
Vcc = 5V
No load
Tamb=25
°C
Standby Voltage (V)
Figure 6. Current consumption vs. standby
voltage
Figure 7. Output offset voltage vs. common
mode input voltage
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
0.5
1.0
1.5
2.0
Vcc = 3V
No load
Tamb=25
°C
Standby Voltage (V)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
5
10
15
20
Vcc=3.3V
Vcc=2.5V
Vcc=5V
G = 6dB
Tamb = 25
°C
Common Mode Input Voltage (V)
Figure 8. Efficiency vs. output power
Figure 9. Efficiency vs. output power
0.0
0.5
1.0
1.5
2.0
0
20
40
60
80
100
0
100
200
300
400
500
600
Vcc=5V
RL=4
Ω + ≥ 15μH
F=1kHz
THD+N
≤2%
Power
Dissipation
Efficiency
Output Power (W)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
20
40
60
80
100
0
50
100
150
200
Vcc=3V
RL=4
Ω + ≥ 15μH
F=1kHz
THD+N
≤2%
Power
Dissipation
Efficiency
Output Power (W)



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