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參數資料
| 型號： | LM7171AMWG-QMLV |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | LJT 37C 37#22D PIN RECP |
| 中文描述： | OP-AMP, 1500 uV OFFSET-MAX, 200 MHz BAND WIDTH, CDSO10 |
| 封裝： | CERAMIC, SOIC-10 |
| 文件頁數： | 12/20頁 |
| 文件大?。?/td> | 615K |
| 代理商： | LM7171AMWG-QMLV |
Typical Performance Characteristics
unless otherwise noted, T
A
= 25C (Continued)
Note 13:
The THD measurement at low frequency is limited by the test instrument.
Simplified Schematic Diagram
Application Notes
LM7171 Performance Discussion
The LM7171 is a very high speed, voltage feedback ampli-
fier. It consumes only 6.5 mA supply current while providing
a unity-gain bandwidth of 200 MHz and a slew rate of 4100V/
μs. It also has other great features such as low differential
gain and phase and high output current.
The LM7171 is a true voltage feedback amplifier. Unlike cur-
rent feedback amplifiers (CFAs) with a low inverting input im-
pedance and a high non-inverting input impedance, both in-
puts of voltage feedback amplifiers (VFAs) have high
impedance nodes. The low impedance inverting input in
CFAs and a feedback capacitor create an additional pole
that will lead to instability. As a result, CFAs cannot be used
in traditional op amp circuits such as photodiode amplifiers,
I-to-V converters and integrators where a feedback capacitor
is required.
LM7171 Circuit Operation
The class AB input stage in LM7171 is fully symmetrical and
has a similar slewing characteristic to the current feedback
amplifiers. In the LM7171 Simplified Schematic, Q1 through
Q4 form the equivalent of the current feedback input buffer,
R
E
the equivalent of the feedback resistor, and stage A buff-
Harmonic Distortion
vs Frequency
DS012385-74
Harmonic Distortion
vs Frequency
DS012385-75
Maximum Power Dissipation
vs Ambient Temperature
DS012385-20
DS012385-9
Note:
M1 and M2 are current mirrors.
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12
相關PDF資料 |
PDF描述 |
|---|---|
| LM7171BIWM | Very High Speed, High Output Current, Voltage Feedback Amplifier |
| LM7171AIWM | Very High Speed, High Output Current, Voltage Feedback Amplifier |
| LM7171AIN | Very High Speed, High Output Current, Voltage Feedback Amplifier |
| LM7171AIMX | Very High Speed, High Output Current, Voltage Feedback Amplifier |
| LM7171AIM | Very High Speed, High Output Current, Voltage Feedback Amplifier |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LM7171AMW-QML | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:OP-AMP|SINGLE|BIPOLAR|FP|10PIN|CERAMIC |
| LM7171AMW-QMLV | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| LM7171AWMX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Very High Speed, High Output Current, Voltage Feedback Amplifier |
| LM7171BIM | 功能描述:運算放大器 - 運放 RoHS:否 制造商:STMicroelectronics 通道數量: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 |
| LM7171BIM/NOPB | 功能描述:運算放大器 - 運放 Hi-Spd Hi-Output V Feedback Amp RoHS:否 制造商:STMicroelectronics 通道數量: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 |
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