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參數資料
| 型號： | TS4995EIJT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.2 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封裝： | LEAD FREE, FCP-9 |
| 文件頁數： | 8/26頁 |
| 文件大?。?/td> | 440K |
| 代理商： | TS4995EIJT |
Electrical characteristics
TS4995
16/26
Figure 50.
Current consumption vs. standby
voltage
Figure 51.
Frequency response
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Standby mode=2.6V
Current
C
o
n
s
umpt
io
n
(mA
)
Standby Voltage (V)
Vcc = 2.6V
No load
Tamb = 25
°C
Standby mode=0V
100
1000
10000
0
1
2
3
4
5
6
7
8
20k
Cin=4.7
μF
G
a
in
(dB
)
Frequency (Hz)
Cin=330nF
Vcc = 5V
Gain = 6dB
ZL = 8
Ω + 500pF
Tamb = 25
°C
20
Figure 52.
Frequency response
Figure 53.
Frequency response
100
1000
10000
0
1
2
3
4
5
6
7
8
20k
Cin=4.7
μF
G
a
in
(dB
)
Frequency (Hz)
Cin=330nF
Vcc = 3.3V
Gain = 6dB
ZL = 8
Ω + 500pF
Tamb = 25
°C
20
100
1000
10000
0
1
2
3
4
5
6
7
8
20k
Cin=4.7
μF
G
a
in
(dB
)
Frequency (Hz)
Cin=330nF
Vcc = 2.6V
Gain = 6dB
ZL = 8
Ω + 500pF
Tamb = 25
°C
20
Figure 54.
SNR vs. power supply voltage with
unweighted filter
Figure 55.
SNR vs. power supply voltage with
A-weighted filter
2.5
3.0
3.5
4.0
4.5
5.0
5.5
100
102
104
106
108
110
112
114
116
118
120
RL=16
Ω
Signa
lto
N
o
is
e
R
a
tio
(dB
)
Power Supply Voltage (V)
F = 1kHz
G = 6dB
Cb = 1
μF
THD + N < 0.7%
Tamb = 25°C
RL=8
Ω
2.5
3.0
3.5
4.0
4.5
5.0
5.5
100
102
104
106
108
110
112
114
116
118
120
RL=16
Ω
Signa
lto
N
o
is
e
R
a
tio
(dB
)
Power Supply Voltage (V)
F = 1kHz
G = 6dB
Cb = 1
μF
THD + N < 0.7%
Tamb = 25°C
RL=8
Ω
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