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參數資料
| 型號： | TSH103ID |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| 封裝： | SOP-8 |
| 文件頁數： | 8/12頁 |
| 文件大小： | 271K |
| 代理商： | TSH103ID |
TSH103
Power supply considerations
Doc ID 13895 Rev 2
5/12
4
Power supply considerations
Correct power supply bypassing is very important for optimizing performance in high-
frequency ranges. The bypass capacitors should be placed as close as possible to the IC
pins to improve high-frequency bypassing. A capacitor of 100 F is necessary to minimize
the power supply noise in low frequencies. For better quality bypassing, we recommend
adding a CMS 100 nF capacitor, also placed as close as possible to the IC pins.
Figure 7.
Circuit for power supply bypassing
Figure 8.
Noise supply rejection
+VCC
CLF = 100 F
+
CHF = 100 nF
5
TSH103
IN1
IN2
IN3
OUT1
OUT2
OUT3
4
AM04552
100k
1M
10M
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc=+5Vdc+0.2Vac
Load=150
Ω
C
LF
=100uF
C
HF
=100nF
N
o
ise
su
pp
ly
rej
e
ctio
n
(dB
)
Frequency (Hz)
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相關代理商/技術參數 |
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