參數(shù)資料
型號(hào): 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(yè)數(shù): 8/12頁(yè)
文件大?。?/td> 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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