TS487 STMICROELECTRONICS [STMicroelectronics], TS487 Datasheet - Page 12

• Manufacturer Part Number: TS487
• Description: 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

TS486-TS487
Fig. 19: Output Power vs Power Supply
Voltage
Fig. 21: Output Power vs Load Resistor
Fig. 23: Output Power vs Load Resistor
12/31
100
75
50
25
70
60
50
40
30
20
10
25
20
15
10
0
5
0
0
2.0
8
8
RL = 32
F = 1kHz
BW < 125kHz
Tamb = 25 C
2.5
16
16
THD+N=0.1%
THD+N=0.1%
3.0
24
24
THD+N=10%
THD+N=1%
THD+N=1%
Load Resistance ( )
Load Resistance ( )
3.5
32
32
Vcc (V)
THD+N=1%
4.0
40
40
THD+N=10%
THD+N=10%
THD+N=0.1%
4.5
48
48
Vcc = 2V
F = 1kHz
BW < 125kHz
Tamb = 25 C
Vcc = 3.3V
F = 1kHz
BW < 125kHz
Tamb = 25 C
5.0
56
56
5.5
64
64
Fig. 20: Output Power vs Load Resistor
Fig. 22: Output Power vs Load Resistor
Fig. 24: Power Dissipation vs Output Power
200
180
160
140
120
100
50
45
40
35
30
25
20
15
10
80
60
40
20
80
60
40
20
5
0
0
0
8
0
8
Vcc=5V
F=1kHz
THD+N<1%
16
16
THD+N=0.1%
THD+N=0.1%
20
24
24
Load Resistance ( )
THD+N=1%
THD+N=1%
Output Power (mW)
40
Load Resistance ( )
32
32
RL=32
60
40
40
THD+N=10%
THD+N=10%
80
48
48
Vcc = 2.5V
F = 1kHz
BW < 125kHz
Tamb = 25 C
RL=16
Vcc = 5V
F = 1kHz
BW < 125kHz
Tamb = 25 C
56
56
100
64
64