TS2007_11 Datasheet, PDF (14/29 Pages) STMicroelectronics – 3 W filter-free Class D audio power amplifer with 6-12 dB fixed gain select

Electrical characteristics
TS2007
Figure 4. Current consumption vs. power
supply voltage
Figure 5. Current consumption vs. standby
voltage
3.0
T =25°C
AMB
2.5 ^{No Loads}
2.0
1.5
1.0
0.5
0.0
2
3
4
Power Supply Voltage (V)
2.5
2.0
V =5V
CC
1.5
1.0
V =3.6V
CC
V =2.4V
CC
0.5
No Load
T =25°C
AMB
0.0
5
0
1
2
3
4
5
Standby Voltage (V)
Figure 6. Efficiency vs. output power
Figure 7. Efficiency vs. output power
100
200
Efficiency
80
160
60
120
Power
Dissipation
40
80
Vcc=3V
20
RL=4Ω + ≥ 15μH 40
F=1kHz
THD+N≤1%
0
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Output Power (W)
100
80
60
40
20
0
0.0
500
400
Efficiency
300
200
Power
Dissipation
Vcc=5V
RL=4Ω + ≥ 15μH ¹⁰⁰
F=1kHz
THD+N≤1%
0
0.5
1.0
1.5
2.0
2.5
Output Power (W)
Figure 8. Efficiency vs. output power
Figure 9. Efficiency vs. output power
100
80
60
40
20
0
0.0
50
Efficiency
40
30
Power
20
Dissipation
Vcc=3V
RL=8Ω + ≥ 15μH 10
F=1kHz
THD+N≤1%
0
0.1
0.2
0.3
0.4
0.5
Output Power (W)
100
125
80
Efficiency
100
60
75
40
Power
50
Dissipation
Vcc=5V
20
RL=8Ω + ≥ 15μH 25
F=1kHz
THD+N≤1%
0
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
Output Power (W)
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Doc ID 13123 Rev 4