Datasheet

Electrical characteristics TS4990
16/33 Doc ID 9309 Rev 13
Figure 50. THD + N vs. output power Figure 51. THD + N vs. frequency
1E-3 0.01 0.1 1
0.01
0.1
1
10
Vcc=5V
Vcc=3.3V
Vcc=2.6V
Vcc=2.2V
RL = 16 Ω
F = 20kHz
Av = 2
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
THD + N (%)
Output Power (W)
100 1000 10000
0.01
0.1
Vcc=2.2V, Po=130mW
Vcc=5V, Po=1W
RL=8 Ω
Av=2
Cb = 1 μ F
Bw < 125kHz
Tamb = 25 ° C
20k20
THD + N (%)
Frequency (Hz)
Figure 52. SNR vs. power supply with
unweighted filter (20Hz to 20kHz)
Figure 53. THD + N vs. frequency
2.5 3.0 3.5 4.0 4.5 5.0
80
85
90
95
100
105
110
Av = 2
Cb = 1 μ F
THD+N < 0.7%
Tamb = 25 ° C
RL=16 Ω
RL=4 Ω
RL=8 Ω
Signal to Noise Ratio (dB)
Power Supply Voltage (V)
100 1000 10000
0.1
1
Vcc=2.2V, Po=150mW
Vcc=5V, Po=1.3W
RL=4Ω
Av=2
Cb = 1μF
Bw < 125kHz
Tamb = 25°C
20k20
THD + N (%)
Frequency (Hz)
Figure 54. THD + N vs. frequency Figure 55. SNR vs. power supply with
unweighted filter (20Hz to 20kHz)
100 1000 10000
0.01
0.1
Vcc=2.2V, Po=100mW
Vcc=5V, Po=0.55W
RL=16Ω
Av=2
Cb = 1μF
Bw < 125kHz
Tamb = 25°C
20k20
THD + N (%)
Frequency (Hz)
2.5 3.0 3.5 4.0 4.5 5.0
70
75
80
85
90
95
Av = 10
Cb = 1μF
THD+N < 0.7%
Tamb = 25°C
RL=16Ω
RL=4Ω
RL=8Ω
Signal to Noise Ratio (dB)
Power Supply Voltage (V)