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参数资料
| 型号： | TS4984IQT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC16 |
| 封装： | 4 X 4 MM, 0.50 MM PITCH, LEAD FREE, TQFN-16 |
| 文件页数： | 7/29页 |
| 文件大小： | 901K |
| 代理商： | TS4984IQT |
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Electrical characteristics
TS4984
15/29
Figure 50: THD+N vs. frequency
Figure 51: THD+N vs. frequency
Figure 52: THD+N vs. frequency
Figure 53: SIgnal to noise ratio vs. power supply
with unweighted filter (20Hz to 20kHz)
Figure 54: SIgnal to noise ratio vs. pwr supply
with unweighted filter (20Hz to 20kHz)
Figure 55: SIgnal to noise ratio vs. power
supply with A weighted filter
100
1000
10000
0.01
0.1
Vcc=2.2V, Po=40mW
Vcc=5V, Po=1W
RL=4
Av=2
Cb = 1
F
Bw < 125kHz
Tamb = 25
°C
20k
20
T
HD
+
N
(
%
)
Frequency (Hz)
100
1000
10000
0.01
0.1
Vcc=2.2V, Po=70mW
Vcc=5V, Po=O.8W
RL=8
Av=2
Cb = 1
F
Bw < 125kHz
Tamb = 25
°C
20k
20
T
HD
+
N
(
%
)
Frequency (Hz)
100
1000
10000
0.01
0.1
Vcc=2.2V, Po=70mW
Vcc=5V, Po=O.5W
RL=16
Av=2
Cb = 1
F
Bw < 125kHz
Tamb = 25
°C
20k
20
T
HD
+
N
(
%
)
Frequency (Hz)
2.5
3.0
3.5
4.0
4.5
5.0
85
90
95
100
Power Supply Voltage (V)
Av = 2
Cb = 1
F
THD+N < 0.7%
Tamb = 25
°C
RL=16
RL=4
RL=8
Signal
to
N
o
ise
R
a
tio
(dB
)
2.5
3.0
3.5
4.0
4.5
5.0
70
75
80
85
RL=16
Av = 10
Cb = 1
F
THD+N < 0.7%
Tamb = 25
°C
RL=4
RL=8
S
ig
n
a
lto
N
o
is
e
R
a
tio
(d
B
)
Power Supply Voltage (V)
2.5
3.0
3.5
4.0
4.5
5.0
90
95
100
105
RL=8
RL=16
Av = 2
Cb = 1
F
THD+N < 0.7%
Tamb = 25
°C
RL=4
Signal
to
N
o
ise
R
a
tio
(dB
)
Power Supply Voltage (V)
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| TS4985EKIJT | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins |
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