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參數(shù)資料
| 型號(hào)： | NCS2550 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 750 MHz Voltage Feedback Op Amp(750MHz電壓反饋運(yùn)算放大器) |
| 中文描述： | 750 MHz的電壓反饋運(yùn)算放大器（750MHz的電壓反饋運(yùn)算放大器） |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 289K |
| 代理商： | NCS2550 |
NCS2550
http://onsemi.com
11
Printed Circuit Board Layout Techniques
Proper high speed PCB design rules should be used for all
wideband amplifiers as the PCB parasitics can affect the
overall performance. Most important are stray capacitances
at the output and inverting input nodes as it can effect
peaking and bandwidth. A space (3/16
″
is plenty) should be
left around the signal lines to minimize coupling. Also,
signal lines connecting the feedback and gain resistors
should be short enough so that their associated inductance
does not cause high frequency gain errors. Line lengths less
than 1/4
″
are recommended.
Video Performance
This device designed to provide good performance with
NTSC, PAL, and HDTV video signals. Best performance is
obtained with back terminated loads as performance is
degraded as the load is increased. The back termination
reduces reflections from the transmission line and
effectively masks transmission line and other parasitic
capacitances from the amplifier output stage.
ESD Protection
All device pins have limited ESD protection using internal
diodes to power supplies as specified in the attributes table
(see Figure 23). These diodes provide moderate protection
to input overdrive voltages above the supplies. The ESD
diodes can support high input currents with current limiting
series resistors. Keep these resistor values as low as possible
since high values degrade both noise performance and
frequency response. Under closed
loop operation, the ESD
diodes have no effect on circuit performance. However,
under certain conditions the ESD diodes will be evident. If
the device is driven into a slewing condition, the ESD diodes
will clamp large differential voltages until the feedback loop
restores closed
loop operation. Also, if the device is
powered down and a large input signal is applied, the ESD
diodes will conduct.
V
CC
Internal
Circuitry
V
EE
External
Pin
Figure 23. Internal ESD Protection
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCS2550SNT1G | 功能描述:運(yùn)算放大器 - 運(yùn)放 HFS CF OP AMP RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| NCS2551 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Low Power,High Speed,Current Feedback Op Amps |
| NCS2551SNT1G | 功能描述:運(yùn)算放大器 - 運(yùn)放 HFS-CURRENT FEEDBACK OP RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| NCS2552 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:750 MHz Voltage Feedback Op Amp with Fast Enable Feature |
| NCS2552SNT1G | 功能描述:運(yùn)算放大器 - 運(yùn)放 HFS CF OP AMP RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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