TS4962M_07 STMICROELECTRONICS [STMicroelectronics], TS4962M_07 Datasheet - Page 18

• Manufacturer Part Number: TS4962M_07
• Description: 3W filter-free class D audio power amplifier
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical characteristic curves
18/41
Figure 10. Efficiency vs. output power
Figure 12. Output power vs. power supply
Figure 14. PSRR vs. frequency
100
80
60
40
20
-10
-20
-30
-40
-50
-60
-70
-80
0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.0
0
20
2.5
RL = 4 Ω + ≥ 15 μ H
F = 1kHz
BW < 30kHz
Tamb = 25 ° C
Vripple = 200mVpp
Inputs = Grounded
G = 6dB, Cin = 4.7 μ F
RL = 4 Ω + 15 μ H
Δ R/R ≤ 0.1%
Tamb = 25 ° C
Efficiency
0.2
voltage
3.0
100
0.4
Vcc=5V, 3.6V, 2.5V
Output Power (W)
Dissipation
3.5
Power
0.6
Frequency (Hz)
THD+N=10%
Vcc (V)
0.8
4.0
1000
1.0
Vcc=5V
RL=8 Ω + ≥ 15 μ H
F=1kHz
THD+N ≤ 1%
4.5
THD+N=1%
1.2
5.0
10000
1.4
150
100
50
0
20k
5.5
Figure 11. Efficiency vs. output power
Figure 13. Output power vs. power supply
Figure 15. PSRR vs. frequency
100
-10
-20
-30
-40
-50
-60
-70
-80
80
60
40
20
0
0.0
0
2.0
1.5
1.0
0.5
0.0
20
Vripple = 200mVpp
Inputs = Grounded
G = 6dB, Cin = 4.7 μ F
RL = 4 Ω + 30 μ H
Δ R/R ≤ 0.1%
Tamb = 25 ° C
2.5
RL = 8 Ω + ≥ 15 μ H
F = 1kHz
BW < 30kHz
Tamb = 25 ° C
Efficiency
voltage
0.1
3.0
THD+N=10%
100
Vcc=5V, 3.6V, 2.5V
Output Power (W)
0.2
3.5
Dissipation
Power
Frequency (Hz)
Vcc (V)
4.0
1000
0.3
THD+N=1%
Vcc=3V
RL=8 Ω + ≥ 15 μ H
F=1kHz
THD+N ≤ 1%
4.5
0.4
5.0
10000
TS4962M
0.5
75
50
25
0
5.5
20k