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TS488 Datasheet, PDF (10/32 Pages) STMicroelectronics – Pop-free 120mW stereo headphone amplifier
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Electrical characteristics
TS488-TS489
Figure 8. Open-loop frequency response
125
100
75
50
25
0
-25
-50
-75
100
phase
102
gain
104
Frequency (Hz)
225
Vcc=2.5V
RL=32Ω
180
CL=400pF
T =25°C 135
AMB
90
45
0
-45
-90
-135
106
108
Figure 9. Open-loop frequency response
125
100
75
50
25
0
-25
-50
-75
100
phase
102
gain
104
Frequency (Hz)
225
Vcc=5V
RL=32Ω 180
CL=400pF
T =25°C 135
AMB
90
45
0
-45
-90
-135
106
108
Figure 10. Open-loop frequency response
125
100
75
50
25
0
-25
-50
-75
100
phase
102
225
Vcc=2.5V
gain RL=600Ω 180
T =25°C
AMB
135
90
45
0
-45
-90
104
106
Frequency (Hz)
-135
108
Figure 11. Open-loop frequency response
125
100
75
50
25
0
-25
-50
-75
100
phase
102
225
Vcc=5V
gain RL=600Ω 180
T =25°C
AMB
135
90
45
0
-45
-90
104
106
Frequency (Hz)
-135
108
Figure 12. Power derating curves
0.8
MiniSO8
4-layer PCB
0.6
0.4
Figure 13. Power derating curves
DFN8
3
4-layer PCB
2
No heatsink
1
0.2
No Heat sink
0.0
0
25
50
75
100
125
150
Ambiant Temperature (°C)
0
0
25
50
75
100
125
150
Ambiant Temperature (°C)
10/32
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