参数资料
型号: TS4990ID
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 1.2 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封装: LEAD FREE, SOP-8
文件页数: 4/32页
文件大小: 714K
代理商: TS4990ID
Electrical characteristics
TS4990
12/32
Figure 26.
Output power vs. power supply
voltage
Figure 27.
Output power vs. load resistor
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.0
0.2
0.4
0.6
0.8
1.0
1.2
THD+N=10%
RL = 16
Ω
F = 1kHz
BW < 125kHz
Tamb = 25
°C
THD+N=1%
Out
put
power
(
W
)
Vcc (V)
4
8
12
16
20
24
28
32
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
THD+N=10%
Vcc = 5V
F = 1kHz
BW < 125kHz
Tamb = 25
°C
THD+N=1%
Out
p
ut
power
(
W
)
Load Resistance ( )
Figure 28.
Output power vs. load resistor
Figure 29.
Output power vs. power supply
voltage
4
8
12
16
20
24
28
32
0.0
0.1
0.2
0.3
0.4
0.5
0.6
THD+N=10%
Vcc = 2.6V
F = 1kHz
BW < 125kHz
Tamb = 25
°C
THD+N=1%
Out
put
power
(
W
)
Load Resistance ( )
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.0
0.1
0.2
0.3
0.4
0.5
0.6
THD+N=10%
RL = 32
Ω
F = 1kHz
BW < 125kHz
Tamb = 25
°C
THD+N=1%
Out
put
power
(
W
)
Vcc (V)
Figure 30.
Output power vs. load resistor
Figure 31.
Power dissipation vs. Pout
8
162432
0.0
0.2
0.4
0.6
0.8
1.0
THD+N=10%
Vcc = 3.3V
F = 1kHz
BW < 125kHz
Tamb = 25
°C
THD+N=1%
Out
put
power
(
W
)
Load Resistance ( )
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
RL=16
Ω
RL=8
Ω
Vcc=5V
F=1kHz
THD+N<1%
RL=4
Ω
Power
Di
ssi
pat
ion
(
W
)
Output Power (W)
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