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參數資料
| 型號： | TS4973IJT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.2 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA9 |
| 封裝： | FCP-9 |
| 文件頁數： | 16/19頁 |
| 文件大小： | 721K |
| 代理商： | TS4973IJT |
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TS4973
Electrical Characteristics
6/19
Figure 2: Power supply rejection ratio (psrr) vs
power supply
Figure 3: Power supply rejection ratio (PSRR)
vs power supply
Figure 4: Power supply rejection ratio (PSRR)
vs power supply
Figure 5: Power supply rejection ratio (PSRR)
vs bypass capacitor
Figure 6: Power supply rejection ratio (PSRR)
vs bypass capacitor
Figure 7: Power supply rejection ratio (PSRR)
vs bypass capacitor
100
1000
10000
100000
-60
-50
-40
-30
-20
-10
0
Vcc :
2.8V
3.3V
5V
Vripple = 200mVpp
Av = 2
Input = Grounded
Cb = Cin = 1
F
RL
≥ 4
Tamb = 25
°C
PSRR
(
d
B)
Frequency (Hz)
100
1000
10000
100000
-60
-50
-40
-30
-20
-10
0
Vcc :
2.8V
3.3V
5V
Vripple = 200mVpp
Av = 5
Input = Grounded
Cb = Cin = 1
F
RL
≥ 4
Tamb = 25
°C
PSRR
(
d
B)
Frequency (Hz)
100
1000
10000
100000
-50
-40
-30
-20
-10
0
Vcc :
2.8V
3.3V
5V
Vripple = 200mVpp
Av = 10
Input = Grounded
Cb = Cin = 1
F
RL
≥ 4
Tamb = 25
°C
PSRR
(
d
B)
Frequency (Hz)
100
1000
10000
100000
-70
-60
-50
-40
-30
-20
-10
0
Cb=4.7
F
Cb=2.2
F
Cb=1
F
Vripple = 200mVpp
Av = 2, Vcc = 5V
Input = Grounded
Cin = 1
F
RL
≥ 4
Tamb = 25
°C
PSRR
(
d
B)
Frequency (Hz)
100
1000
10000
100000
-60
-50
-40
-30
-20
-10
0
Cb=4.7
F
Cb=2.2
F
Cb=1
F
Vripple = 200mVpp
Av = 5, Vcc = 2.8V
Input = Grounded
Cin = 1
F
RL
≥ 4
Tamb = 25
°C
PSRR
(
d
B)
Frequency (Hz)
100
1000
10000
100000
-60
-50
-40
-30
-20
-10
0
Cb=4.7
F
Cb=2.2
F
Cb=1
F
Vripple = 200mVpp
Av = 10, Vcc = 3.3V
Input = Grounded
Cin = 1
F, RL ≥ 4
Tamb = 25
°C
PSRR
(
d
B)
Frequency (Hz)
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