TS488 Datasheet, PDF (16/32 Pages) STMicroelectronics – Pop-free 120mW stereo headphone amplifier

Electrical characteristics
Figure 44. Total harmonic distortion plus
noise vs. frequency
1
0.1
0.01
R =16Ω, A =-1
L
V
BW=20Hz-120kHz
T =25°C
AMB
Vcc=2.5V, Po=20mW
Vcc=3.3V, Po=40mW
Vcc=5V, Po=100mW
TS488-TS489
Figure 45. Total harmonic distortion plus
noise vs. frequency
1
0.1
0.01
R =32Ω, A =-1
L
V
BW=20Hz-120kHz
T =25°C
AMB
Vcc=2.5V, Po=12mW
Vcc=3.3V, Po=25mW
Vcc=5V, Po=60mW
1E-3
20
100
1k
Frequency (Hz)
10k 20k
1E-3
20
100
1k
Frequency (Hz)
10k 20k
Figure 46. Total harmonic distortion plus
noise vs. frequency
1
0.1
0.01
R =600Ω, A =-1
L
V
BW=20Hz-120kHz
T =25°C
AMB
Vcc=2.5V, Vo=0.7V
RMS
Vcc=3.3V, Vo=1V
RMS
Vcc=5V, Po=1.6V
RMS
Figure 47. Total harmonic distortion plus
noise vs. frequency
1
0.1
0.01
R =16Ω, A =-2
L
V
BW=20Hz-120kHz
T =25°C
AMB
Vcc=2.5V, Po=20mW
Vcc=3.3V, Po=40mW
Vcc=5V, Po=100mW
1E-3
20
100
1k
Frequency (Hz)
10k 20k
1E-3
20
100
1k
Frequency (Hz)
10k 20k
Figure 48. Total harmonic distortion plus
noise vs. frequency
1
0.1
0.01
R =32Ω, A =-2
L
V
BW=20Hz-120kHz
T =25°C
AMB
Vcc=2.5V, Po=12mW
Vcc=3.3V, Po=25mW
Vcc=5V, Po=60mW
Figure 49. Total harmonic distortion plus
noise vs. frequency
1
0.1
0.01
R =600Ω, A =-2
L
V
BW=20Hz-120kHz
T =25°C
AMB
Vcc=2.5V, Vo=0.7V
RMS
Vcc=3.3V, Vo=1V
RMS
Vcc=5V, Po=1.6V
RMS
1E-3
20
100
1k
Frequency (Hz)
10k 20k
1E-3
20
100
1k
Frequency (Hz)
10k 20k
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