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參數(shù)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(shù)： | 4/26頁 |
| 文件大?。?/td> | 440K |
| 代理商： | TS4995EIJT |
Electrical characteristics
TS4995
12/26
Figure 26.
Output power vs. power supply
voltage
Figure 27.
Power derating curves
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
1,4
1,6
1,8
2,0
4
Ω
8
Ω
16
Ω
32
Ω
Cb = 1
μF
F = 1kHz
BW < 125 kHz
Tamb = 25
°C
O
u
tp
ut
pow
er
at
1%
T
H
D
+
N
(
W
)
Vcc (V)
025
50
75
100
125
0.0
0.2
0.4
0.6
0.8
1.0
1.2
No Heat sink
Heat sink surface
≈ 100mm
2
Flip-
C
hi
p
Pa
ckage
P
o
w
e
rD
issipat
ion
(
W
)
Ambiant Temperature (
°C)
Figure 28.
Output power vs. load resistance
Figure 29.
Power dissipation vs. output power
4
6
8
10 12141618202224 2628 30 32
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Vcc=5.5V
Vcc=5V
Vcc=4.5V
Vcc=4V
Vcc=3.3V
O
u
tput
po
w
e
r(
W
)
Load Resistance (
Ω)
THD+N = 1%
F = 1kHz
Cb = 1
μF
BW < 125kHz
Tamb = 25
°C
Vcc=2.6V
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)
Figure 30.
Power dissipation vs. output power Figure 31.
Power dissipation vs. output power
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.0
0.1
0.2
0.3
0.4
0.5
0.6
RL=4
Ω
RL=8
Ω
Vcc=3.3V
F=1kHz
THD+N<1%
RL=16
Ω
Power
Di
ssi
pat
ion
(
W
)
Output Power (W)
0.0
0.1
0.2
0.3
0.4
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
RL=4
Ω
RL=8
Ω
Vcc=2.6V
F=1kHz
THD+N<1%
RL=16
Ω
Power
Di
ssi
pat
ion
(
W
)
Output Power (W)
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