TS486 Datasheet, PDF (12/31 Pages) STMicroelectronics – 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE

TS486-TS487
Fig. 19: Output Power vs Power Supply
Voltage
RL = 32Ω
100 ^{F = 1kHz}
BW < 125kHz
Tamb = 25°C
75
THD+N=1%
THD+N=10%
50
25
THD+N=0.1%
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Vcc (V)
Fig. 21: Output Power vs Load Resistor
70
Vcc = 3.3V
F = 1kHz
60
THD+N=1%
BW < 125kHz
Tamb = 25°C
50
40
THD+N=10%
30
20
THD+N=0.1%
10
0
8
16
24
32
40
48
56
64
Load Resistance ( )
Fig. 23: Output Power vs Load Resistor
25
Vcc = 2V
F = 1kHz
20
BW < 125kHz
THD+N=1%
Tamb = 25°C
15
THD+N=10%
10
5
THD+N=0.1%
0
8
16
24
32
40
48
56
64
Load Resistance ( )
Fig. 20: Output Power vs Load Resistor
200
180
160
140
120
100
80
60
40
20
0
8
THD+N=1%
Vcc = 5V
F = 1kHz
BW < 125kHz
Tamb = 25°C
THD+N=10%
THD+N=0.1%
16
24
32
40
48
56
64
Load Resistance ( )
Fig. 22: Output Power vs Load Resistor
50
45
Vcc = 2.5V
F = 1kHz
40
BW < 125kHz
35
THD+N=1%
Tamb = 25°C
30
25
THD+N=10%
20
15
10
5
THD+N=0.1%
0
8
16
24
32
40
48
56
64
Load Resistance ( )
Fig. 24: Power Dissipation vs Output Power
Vcc=5V
80 _F=1kHz
THD+N<1%
60
40
20
RL=16Ω
RL=32Ω
0
0
20
40
60
80
100
Output Power (mW)
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