TS4962M_07 Datasheet, PDF (22/41 Pages) STMicroelectronics – 3W filter-free class D audio power amplifier

Electrical characteristic curves
Figure 34. THD+N vs. output power
10
RL = 8Ω + 15μH
F = 1kHz
G = 6dB
BW < 30kHz
Tamb = 25°C
1
Vcc=5V
Vcc=3.6V
Vcc=2.5V
TS4962M
Figure 35. THD+N vs. output power
10
RL = 8Ω + 30μH or Filter
F = 1kHz
Vcc=5V
G = 6dB
BW < 30kHz
Vcc=3.6V
Tamb = 25°C
Vcc=2.5V
1
0.1
1E-3
0.01
0.1
Output Power (W)
12
0.1
1E-3
0.01
0.1
Output Power (W)
12
Figure 36. THD+N vs. frequency
10
RL=4Ω + 15μH
G=6dB
Bw < 30kHz
Vcc=5V
Tamb = 25°C
1
Po=1.5W
Figure 37. THD+N vs. frequency
10
RL=4Ω + 30μH or Filter
G=6dB
Bw < 30kHz
Vcc=5V
Tamb = 25°C
1
Po=1.5W
0.1
50 100
Po=0.75W
1000
Frequency (Hz)
10000 20k
0.1
50 100
Po=0.75W
1000
Frequency (Hz)
10000 20k
Figure 38. THD+N vs. frequency
10
RL=4Ω + 15μH
G=6dB
Bw < 30kHz
Vcc=3.6V
Tamb = 25°C
1
Po=0.9W
Figure 39. THD+N vs. frequency
10
RL=4Ω + 30μH or Filter
G=6dB
Bw < 30kHz
Vcc=3.6V
Tamb = 25°C
1
Po=0.9W
0.1
50 100
Po=0.45W
1000
Frequency (Hz)
10000 20k
0.1
50 100
Po=0.45W
1000
Frequency (Hz)
10000 20k
22/41