参数资料
型号: TS489IQT
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 0.13 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8
封装: 2 X 2 MM, DFN-8
文件页数: 4/32页
文件大小: 570K
代理商: TS489IQT
Electrical characteristics
TS488-TS489
12/32
Figure 20.
Power dissipation vs. output power
per channel
Figure 21.
Power dissipation vs. output power
per channel
0
5
10
15
20
25
30
35
40
0
5
10
15
20
25
30
RL=32
Ω
RL=16
Ω
Vcc=2.5V, F=1kHz, THD+N<1%
Pow
er
Dissi
pation
(mW)
Output Power (mW)
0
10
2030
4050
60
70
0
5
10
15
20
25
30
35
40
RL=32
Ω
RL=16
Ω
Vcc=3.3V, F=1kHz, THD+N<1%
Pow
er
Dissi
pation
(mW)
Output Power (mW)
Figure 22.
Power dissipation vs. output power
per channel
Figure 23.
Power supply rejection ratio vs.
frequency
0
20
40
60
80
100
120
140
160
0
20
40
60
80
100
RL=32
Ω
RL=16
Ω
Vcc=5V, F=1kHz, THD+N<1%
Pow
er
Dissi
pation
(mW)
Output Power (mW)
100
1k
10k
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc=5V
Vcc=3.3V
20k
20
Vcc=2.5V
Inputs grounded, Av=-1,
RL
=16Ω , Cb=1μF, T
AMB
=25°C
PSR
R
(dB)
Frequency (Hz)
Figure 24.
Power supply rejection ratio vs.
frequency
Figure 25.
Power supply rejection ratio vs.
frequency
100
1k
10k
-80
-70
-60
-50
-40
-30
-20
-10
0
Av=-4
Av=-1
20k
20
Av=-2
Inputs grounded, Vcc=3.3V,
RL=16
Ω , Cb=1μF, T
AMB
=25°C
PSR
R
(dB)
Frequency (Hz)
100
1k
10k
-80
-70
-60
-50
-40
-30
-20
-10
0
Cb=1
μF
Cb=100nF
Cb=470nF
20k
20
Cb=220nF
Inputs grounded, Av=-1,
RL=16
Ω , Vcc=3.3V, T
AMB
=25°C
PSR
R
(dB)
Frequency (Hz)
相关PDF资料
PDF描述
TS489IST 0.13 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8
TS4890IDT 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
TS4890ID 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
TS4890IST 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
TS4890IQT 1 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8
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