TS488 Datasheet, PDF (14/32 Pages) STMicroelectronics – Pop-free 120mW stereo headphone amplifier

Electrical characteristics
TS488-TS489
Figure 32. Total harmonic distortion plus
noise vs. output power
10
F=1kHz, R =16Ω
L
A =-2, T =25°C
V
AMB
1 ^{BW=20Hz-120kHz}
V =5V
CC
0.1
V =3.3V
CC
0.01
V =2.5V
CC
Figure 33. Total harmonic distortion plus
noise vs. output power
10
F=20kHz, R =16Ω
L
A =-2, T =25°C
V
AMB
BW=20Hz-120kHz
V =5V
CC
1
V =3.3V
CC
V =2.5V
CC
0.1
1E-3
1
10
Output Power (mW)
100 200
0.01
1
10
Output Power (mW)
100 200
Figure 34. Total harmonic distortion plus
noise vs. output power
10
F=1kHz, R =32Ω
L
A =-2, T =25°C
V
AMB
1 ^{BW=20Hz-120kHz}
V =5V
CC
0.1
V =3.3V
CC
0.01
V =2.5V
CC
Figure 35. Total harmonic distortion plus
noise vs. output power
10
F=20kHz, R =32Ω
L
A =-2, T =25°C
V
AMB
BW=20Hz-120kHz
1
V =5V
CC
V =3.3V
CC
0.1
V =2.5V
CC
1E-3
1
10
Output Power (mW)
100 200
0.01
1
10
Output Power (mW)
100 200
Figure 36. Total harmonic distortion plus
noise vs. output power
10
F=1kHz, R =600Ω
L
A =-2, T =25°C
V
AMB
1 ^{BW=20Hz-120kHz}
V =5V
CC
V =3.3V
CC
0.1
V =2.5V
CC
0.01
Figure 37. Total harmonic distortion plus
noise vs. output power
10
F=20kHz, R =600Ω
L
A =-2, T =25°C
V
AMB
BW=20Hz-120kHz
1
V =5V
CC
V =3.3V
CC
V =2.5V
CC
0.1
1E-3
0.01
0.1
1
Output Voltage (V )
RMS
0.01
3
0.01
0.1
1
3
Output Voltage (V )
RMS
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