TS489 STMicroelectronics, TS489 Datasheet - Page 17

• Manufacturer Part Number: TS489
• Description: Pop-free 120mW stereo headphone amplifier
• Manufacturer: STMicroelectronics

TS488-TS489
Figure 50. Total harmonic distortion plus
Figure 52. Total harmonic distortion plus
Figure 54. Output power vs. load resistance
1E-3
1E-3
0.01
0.01
125
100
0.1
0.1
75
50
25
0
1
1
20
20
8
R
BW=20Hz-120kHz
T
R
BW=20Hz-120kHz
T
AMB
AMB
L
L
=16
=600
=25°C
=25°C
16
noise vs. frequency
noise vs. frequency
Ω ,
Ω ,
Vcc=2.5V, Vo=0.7V
A
100
100
A
Vcc=2.5V, Po=20mW
V
=-4
V
=-4
24
Vcc=3.3V, Vo=1V
Vcc=3.3V, Po=40mW
THD+N=10%
Load Resistance (
Frequency (Hz)
Frequency (Hz)
32
Vcc=5V, Po=1.6V
Vcc=5V, Po=100mW
THD+N=1%
RMS
1k
1k
40
RMS
Ω
Vcc=3.3V, F=1kHz
T
BW=20Hz-120kHz
)
AMB
48
=25°C
RMS
56
10k
10k
20k
20k
64
Figure 51. Total harmonic distortion plus
Figure 53. Output power vs. load resistance
Figure 55. Output power vs. load resistance
1E-3
0.01
250
200
150
100
75
50
25
0.1
50
0
0
1
8
20
8
R
BW=20Hz-120kHz
T
AMB
L
=32
16
=25°C
16
noise vs. frequency
Ω ,
A
100
Vcc=2.5V, Po=12mW
V
=-4
24
24
Vcc=3.3V, Po=25mW
THD+N=10%
Load Resistance (
THD+N=10%
Load Resistance (
Frequency (Hz)
32
32
Electrical characteristics
Vcc=5V, Po=60mW
THD+N=1%
THD+N=1%
40
1k
40
Ω
Vcc=2.5V, F=1kHz
T
BW=20Hz-120kHz
Ω
Vcc=5V, F=1kHz
T
BW=20Hz-120kHz
)
AMB
)
AMB
48
48
=25°C
=25°C
56
56
10k
17/32
64
20k
64