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參數(shù)資料
| 型號： | LMV793MF |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | 88 MHz, Low Noise, 1.8V CMOS Input, Decompensated Operational Amplifiers |
| 中文描述： | OP-AMP, 1650 uV OFFSET-MAX, 88 MHz BAND WIDTH, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數(shù)： | 19/22頁 |
| 文件大?。?/td> | 543K |
| 代理商： | LMV793MF |
20216391
FIGURE 19. Rise Time
In
Figure 18
the ringing and the hump during the on time is
from the laser. The higher drive levels for the laser gave ring-
ing in the light source as well as light changing from the
thermal characteristics. The hump is due to the thermal char-
acteristics.
Solving for C
using a 100 k
feedback resistor, the calcu-
lated value is 0.54 pF. One of the problems with more gain is
the very small value for C
. A 0.5 pF capacitor was used, its
measured value being 0.64 pF. For the 0.64 pF location the
pole is at 2.5 MHz.
Figure 20
shows the response for a 1V
output.
20216392
FIGURE 20. High Gain Response
A transimpedance amplifier is an excellent application for the
LMV793. Even with the high gain using a 100 k
feedback
resistor, the bandwidth is still well over 1 MHz. Other than a
little over compensation for the 10 k
feedback resistor con-
figuration using the LMV793 was quite easy. Of course a very
good board layout was also used for this test. For information
on photo diodes please contact OSI Optoelectronics, (310)
978-0516. For further information on transimpedance ampli-
fiers please contact your National Semiconductor represen-
tative.
19
www.national.com
L
相關PDF資料 |
PDF描述 |
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| LMV793MFX | 88 MHz, Low Noise, 1.8V CMOS Input, Decompensated Operational Amplifiers |
| LMV794 | 88 MHz, Low Noise, 1.8V CMOS Input, Decompensated Operational Amplifiers |
| LMV794MA | 88 MHz, Low Noise, 1.8V CMOS Input, Decompensated Operational Amplifiers |
| LMV794MAX | 88 MHz, Low Noise, 1.8V CMOS Input, Decompensated Operational Amplifiers |
| LMV794MM | 88 MHz, Low Noise, 1.8V CMOS Input, Decompensated Operational Amplifiers |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LMV793MF/NOPB | 功能描述:運算放大器 - 運放 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| LMV793MFX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:88 MHz, Low Noise, 1.8V CMOS Input, Decompensated Operational Amplifiers |
| LMV793MFX/NOPB | 功能描述:運算放大器 - 運放 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| LMV794 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:88 MHz, Low Noise, 1.8V CMOS Input, Decompensated Operational Amplifiers |
| LMV794MA | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:88 MHz, Low Noise, 1.8V CMOS Input, Decompensated Operational Amplifiers |
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