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TS488IST 数据表(PDF) 17 Page - STMicroelectronics

部件名 TS488IST
功能描述  Pop-free 120mW stereo headphone amplifier
PDF  32 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS488IST 数据表(HTML) 17 Page - STMicroelectronics

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TS488-TS489
Electrical characteristics
17/32
Figure 50.
Total harmonic distortion plus
noise vs. frequency
Figure 51.
Total harmonic distortion plus
noise vs. frequency
100
1k
10k
1E-3
0.01
0.1
1
Vcc=5V, Po=100mW
Vcc=3.3V, Po=40mW
20k
20
Vcc=2.5V, Po=20mW
R
L
=16
Ω, A
V
=-4
BW=20Hz-120kHz
T
AMB
=25°C
Frequency (Hz)
100
1k
10k
1E-3
0.01
0.1
1
Vcc=5V, Po=60mW
Vcc=3.3V, Po=25mW
20k
20
Vcc=2.5V, Po=12mW
R
L
=32
Ω, A
V
=-4
BW=20Hz-120kHz
T
AMB
=25°C
Frequency (Hz)
Figure 52.
Total harmonic distortion plus
noise vs. frequency
Figure 53.
Output power vs. load resistance
100
1k
10k
1E-3
0.01
0.1
1
Vcc=5V, Po=1.6V
RMS
Vcc=3.3V, Vo=1V
RMS
20k
20
Vcc=2.5V, Vo=0.7V
RMS
R
L
=600
Ω, A
V
=-4
BW=20Hz-120kHz
T
AMB
=25°C
Frequency (Hz)
8
16
24324048
56
64
0
25
50
75
THD+N=10%
Vcc=2.5V, F=1kHz
T
AMB
=25°C
BW=20Hz-120kHz
Load Resistance (
Ω)
THD+N=1%
Figure 54.
Output power vs. load resistance
Figure 55.
Output power vs. load resistance
8
16
24324048
56
64
0
25
50
75
100
125
THD+N=10%
Vcc=3.3V, F=1kHz
T
AMB
=25°C
BW=20Hz-120kHz
Load Resistance (
Ω)
THD+N=1%
8
16
24324048
56
64
0
50
100
150
200
250
THD+N=10%
Vcc=5V, F=1kHz
T
AMB
=25°C
BW=20Hz-120kHz
Load Resistance (
Ω)
THD+N=1%



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