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參數(shù)資料
| 型號(hào)： | LM7121 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 235 MHz Tiny Low Power Voltage Feedback Amplifier |
| 中文描述： | 235兆赫微型低功耗電壓反饋放大器 |
| 文件頁(yè)數(shù)： | 16/19頁(yè) |
| 文件大?。?/td> | 666K |
| 代理商： | LM7121 |
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Application Information
(Continued)
Differential Gain and Differential Phase errors measured at
the load are less than 1% and 1 respectively.
R
and C
can be adjusted for various cable lengths to com-
pensate for the line losses and for proper response at the
output. Values shown correspond to a twisted pair cable
length of 25 meters with about 3 turns/inch (see Figure 5 for
step response).
The supply voltage can vary from 8.5V up to 30V with the
output rise and fall times under 12 ns. With the component
values shown, the overall gain from the input to the output is
about 1.
Even though the transmission line is not terminated in its
nominal characteristic impedance of about 600
, the result-
ing reflection at the load is only about 5% of the total signal
and in most cases can be neglected. Using 75
termination
instead, has the advantage of operating at a low impedance
and results in a higher realizable bandwidth and signal
fidelity.
DS012348-94
Note:
Pin numbers shown are for SO-8 package.
*
Input termination of NTSC monitor.
FIGURE 4. Single Supply Differential Twister Pair Cable Transmitter/Receiver
8.5V
≤
V
CC
≤
30V
www.national.com
16
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM7121IM5 | RES NET ISOLATED 1.5K OHM 6-SIP |
| LM7121IM5X | 235 MHz Tiny Low Power Voltage Feedback Amplifier |
| LM7131BCM5X | Tiny High Speed Single Supply Operational Amplifier |
| LM7131ACN | IC-HIGH SPEED OP AMP |
| LM7131BCN | IC-HIGH SPEED OP AMP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM7121IM | 功能描述:運(yùn)算放大器 - 運(yùn)放 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 |
| LM7121IM | 制造商:Texas Instruments 功能描述:OP AMP 200MHZ L POWER POWERWISE |
| LM7121IM/NOPB | 功能描述:運(yùn)算放大器 - 運(yùn)放 Low Pwr Vltg FB 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 |
| LM7121IM5 | 功能描述:運(yùn)算放大器 - 運(yùn)放 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 |
| LM7121IM5 | 制造商:Texas Instruments 功能描述:OP AMP 200MHZ L POWER POWERWISE |
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