TS488 Datasheet, PDF (20/32 Pages) STMicroelectronics – Pop-free 120mW stereo headphone amplifier

Electrical characteristics
TS488-TS489
Figure 68. Crosstalk vs. frequency
0
Vcc=3.3V, RL=16Ω
-20 ^{Av=-1, Po=40mW}
T =25°C
AMB
-40
Figure 69. Crosstalk vs. frequency
0
Vcc=3.3V, RL=32Ω
-20 ^{Av=-1, Po=25mW}
T =25°C
AMB
-40
-60
OUT2 to OUT1
-80
OUT1 to OUT2
-60
OUT2 to OUT1
-80
OUT1 to OUT2
-100
-100
-120
20
100
1k
Frequency (Hz)
10k 20k
-120
20
100
1k
Frequency (Hz)
10k 20k
Figure 70. Crosstalk vs. frequency
0
Vcc=5V, RL=16Ω
-20 ^{Av=-1, Po=100mW}
T =25°C
AMB
-40
Figure 71. Crosstalk vs. frequency
0
Vcc=5V, RL=32Ω
-20 ^{Av=-1, Po=60mW}
T =25°C
AMB
-40
-60
OUT2 to OUT1
-80
OUT1 to OUT2
-60
OUT2 to OUT1
-80
OUT1 to OUT2
-100
-100
-120
20
100
1k
Frequency (Hz)
10k 20k
-120
20
100
1k
Frequency (Hz)
10k 20k
Figure 72. Crosstalk vs. frequency
0
Vcc=2.5V, RL=16Ω
-20 ^{Av=-4, Po=20mW}
T =25°C
AMB
-40
-60
OUT2 to OUT1
OUT1 to OUT2
Figure 73. Crosstalk vs. frequency
0
Vcc=2.5V, RL=32Ω
-20 ^{Av=-4, Po=12mW}
T =25°C
AMB
-40
-60
OUT2 to OUT1
OUT1 to OUT2
-80
-80
-100
-100
-120
20
100
1k
Frequency (Hz)
10k 20k
-120
20
100
1k
Frequency (Hz)
10k 20k
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