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參數(shù)資料
| 型號(hào)： | TSH343IDT |
| 廠(chǎng)商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 音頻／視頻放大 |
| 英文描述： | 3 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| 封裝： | ROHS COMPLIANT, PLASTIC, SOP-8 |
| 文件頁(yè)數(shù)： | 4/17頁(yè) |
| 文件大小： | 311K |
| 代理商： | TSH343IDT |
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Application information
TSH343
12/17
3.2
PSRR and improvement of power supply noise rejection
Figure 28.
Circuit for power supply bypassing
Figure 29 shows how the power supply noise rejection evolves versus frequency depending
on how carefully the power supply decoupling is achieved.
Figure 29.
Power supply noise rejection
Criteria for choosing the ferrite:
●
In DC, the resistance (R) of the ferrite must be as low as possible to keep +5V power
supply on the chip.
●
In AC, along a 30MHz bandwidth (HD spectrum), the equivalent impedance (Z=R+jX)
must be as high as possible to optimize rejection of the noise generated by the power
supply.
50
Ω
+5V
75
Ω
TSH343
T-bias
AGILENT
4395A
S
R
A
L
CLF
CHF
50
Ω
+5V
75
Ω
TSH343
T-bias
AGILENT
4395A
S
R
A
L
CLF
CHF
100k
1M
10M
100M
-80
-70
-60
-50
-40
-30
-20
-10
0
L= Ferrite FBMJ4516HM900
CHF=100nF
CLF=10uF
PSRR
L=2uH
CHF=100nF
CLF=10uF
PS
RR
(dB)
Frequency (Hz)
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| TSH344ID | 3 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| TSH512CYFT | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TSH344 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:340MHz single-supply triple video buffer |
| TSH344_07 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:340MHz single-supply triple video buffer |
| TSH344I | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:340MHz Single-Supply Triple Video Buffer |
| TSH344ID | 功能描述:視頻放大器 340MHz Sngl supply triple video buffer RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類(lèi)型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| TSH344IDT | 功能描述:視頻 IC 340MHz Single-Supply Triple Video Buffer RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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