TS4990 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TS4990' PDF : 33 Pages View PDF
Electrical characteristics
TS4990
Figure 50. THD + N vs. output power
10
RL = 16Ω
F = 20kHz
Av = 2
1
Cb = 1μF
BW < 125kHz
Tamb = 25°C
0.1
Vcc=2.2V
Vcc=2.6V
0.01
1E-3
Vcc=3.3V Vcc=5V
0.01
0.1
1
Output Power (W)
Figure 51. THD + N vs. frequency
RL=8Ω
Av=2
Cb = 1μF
Bw < 125kHz
Tamb = 25°C
0.1
Vcc=5V, Po=1W
0.01
20
Vcc=2.2V, Po=130mW
100
1000
Frequency (Hz)
10000 20k
Figure 52. SNR vs. power supply with
Figure 53. THD + N vs. frequency
unweighted filter (20Hz to 20kHz)
110
RL=16Ω
105
100
95
RL=8Ω
RL=4Ω
90
Av = 2
85 Cb = 1μF
THD+N < 0.7%
Tamb = 25°C
80
2.5
3.0
3.5
4.0
4.5
5.0
Power Supply Voltage (V)
1
RL=4Ω
Av=2
Cb = 1μF
Bw < 125kHz
Tamb = 25°C
Vcc=5V, Po=1.3W
Vcc=2.2V, Po=150mW
0.1
20
100
1000
Frequency (Hz)
10000 20k
Figure 54. THD + N vs. frequency
RL=16Ω
Av=2
Cb = 1μF
Bw < 125kHz
Tamb = 25°C
0.1
Vcc=5V, Po=0.55W
Vcc=2.2V, Po=100mW
0.01
20
100
1000
Frequency (Hz)
10000 20k
Figure 55. SNR vs. power supply with
unweighted filter (20Hz to 20kHz)
95
RL=16Ω
90
85
RL=8Ω
80
RL=4Ω
Av = 10
75 Cb = 1μF
THD+N < 0.7%
Tamb = 25°C
70
2.5
3.0
3.5
4.0
4.5
5.0
Power Supply Voltage (V)
16/32
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