TS4962M_07 Datasheet, PDF (17/41 Pages) STMicroelectronics – 3W filter-free class D audio power amplifier

TS4962M
Electrical characteristic curves
Figure 4. Current consumption vs. power
supply voltage
Figure 5. Current consumption vs. standby
voltage
2.5
No load
Tamb=25°C
2.0
1.5
1.0
0.5
0.0
0
1
2
3
4
5
Power Supply Voltage (V)
2.5
2.0
1.5
1.0
0.5
0.0
0
Vcc = 5V
No load
Tamb=25°C
1
2
3
4
5
Standby Voltage (V)
Figure 6. Current consumption vs. standby Figure 7. Output offset voltage vs. common
voltage
mode input voltage
2.0
1.5
1.0
0.5
Vcc = 3V
No load
Tamb=25°C
0.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Standby Voltage (V)
10
G = 6dB
Tamb = 25°C
8
6
Vcc=5V
4
Vcc=3.6V
2
Vcc=2.5V
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Common Mode Input Voltage (V)
Figure 8. Efficiency vs. output power
100
600
80
Efficiency
500
60
40
20
0
0.0
400
300
Power
Dissipation
200
Vcc=5V
RL=4Ω + ≥ 15μH
F=1kHz
100
THD+N≤1%
0
0.5
1.0
1.5
2.0 2.3
Output Power (W)
Figure 9. Efficiency vs. output power
100
200
Efficiency
80
150
60
40
20
0
0.0
100
Power
Dissipation
Vcc=3V
50
RL=4Ω + ≥ 15μH
F=1kHz
THD+N≤1%
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7
Output Power (W)
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