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TS488 数据表(PDF) 16 Page - STMicroelectronics

部件名 TS488
功能描述  Pop-free 120 mW 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

TS488 数据表(HTML) 16 Page - STMicroelectronics

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Figure 50. Total harmonic distortion plus noise vs.
frequency RL=32 Ω, AV=-4
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=32Ω, AV=-4
BW=20Hz-120kHz
T
AMB=25°C
Frequency (Hz)
Figure 51. Total harmonic distortion plus noise vs.
frequency RL=600 Ω, AV=-4
100
1k
10k
1E-3
0.01
0.1
1
Vcc=5V, Po=1.6V
RMS
Vcc=3.3V, Vo=1VRMS
20k
20
Vcc=2.5V, Vo=0.7V
RMS
R
L=600Ω, AV=-4
BW=20Hz-120kHz
T
AMB=25°C
Frequency (Hz)
Figure 52. Output power vs. load resistance VCC=2.5 V
8
16
24
32
40
48
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 53. Output power vs. load resistance VCC=3.3 V
8
16
24
32
40
48
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%
Figure 54. Output power vs. load resistance VCC=5 V
8
16
24
32
40
48
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%
Figure 55. Output power vs. power supply voltage
2
3
4
5
6
0
40
80
120
160
200
240
THD+N=1%
R
L=16Ω, F=1kHz
T
AMB=25°C
BW=20Hz-120kHz
Power Supply Voltage (V)
THD+N=10%
TS488
Electrical characteristics curves
DS4579 - Rev 8
page 16/32



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