TS4962EKIJT STMICROELECTRONICS [STMicroelectronics], TS4962EKIJT Datasheet - Page 12

• Manufacturer Part Number: TS4962EKIJT
• Description: 3W Filter-free Class D Audio Power Amplifier
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

TS4962
Figure 10. Efficiency vs output power
Figure 11. Efficiency vs output power
Figure 12. Output power vs power supply
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100
100
80
60
40
20
80
60
40
20
0
0.0
0
0.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.5
RL = 4 Ω + ≥ 15 µ H
F = 1kHz
BW < 30kHz
Tamb = 25 ° C
Efficiency
0.2
Efficiency
voltage
0.1
3.0
0.4
Output Power (W)
Output Power (W)
Dissipation
0.2
3.5
Dissipation
Power
0.6
Power
THD+N=10%
Vcc (V)
0.8
4.0
0.3
1.0
Vcc=5V
RL=8 Ω + ≥ 15 µ H
F=1kHz
THD+N ≤ 1%
Vcc=3V
RL=8 Ω + ≥ 15 µ H
F=1kHz
THD+N ≤ 1%
4.5
THD+N=1%
0.4
1.2
5.0
1.4
0.5
150
100
50
0
75
50
25
0
5.5
Figure 13. Output power vs power supply
Figure 14. PSRR vs frequency
Figure 15. PSRR vs frequency
-10
-20
-30
-40
-50
-60
-70
-80
2.0
1.5
1.0
0.5
0.0
-10
-20
-30
-40
-50
-60
-70
-80
0
20
0
20
2.5
RL = 8 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
∆ R/R ≤ 0.1%
Tamb = 25 ° C
Vripple = 200mVpp
Inputs = Grounded
G = 6dB, Cin = 4.7 µ F
RL = 4 Ω + 30 µ H
∆ R/R ≤ 0.1%
Tamb = 25 ° C
voltage
3.0
THD+N=10%
100
100
Vcc=5V, 3.6V, 2.5V
Vcc=5V, 3.6V, 2.5V
Electrical Characteristics
3.5
Frequency (Hz)
Frequency (Hz)
Vcc (V)
4.0
1000
1000
THD+N=1%
4.5
5.0
10000
10000
5.5
20k
20k