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參數(shù)資料
| 型號： | LMC6494AEM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運(yùn)算放大器 |
| 英文描述： | CMOS Rail-to-Rail Input and Output Operational Amplifier |
| 中文描述： | QUAD OP-AMP, 3800 uV OFFSET-MAX, 1.5 MHz BAND WIDTH, PDSO14 |
| 封裝： | PLASTIC, SOP-14 |
| 文件頁數(shù)： | 11/18頁 |
| 文件大小： | 705K |
| 代理商： | LMC6494AEM |
Typical Performance Characteristics
V
S
= +15V, Single Supply, T
A
= 25C unless otherwise
specified (Continued)
Application Notes
Input Common-Mode Voltage Range
Unlike Bi-FET amplifier designs, the LMC6492/4 does not
exhibit phase inversion when an input voltage exceeds the
negative supply voltage. Figure 1shows an input voltage ex-
ceeding both supplies with no resulting phase inversion on
the output.
The absolute maximum input voltage is 300 mV beyond ei-
ther supply rail at room temperature. Voltages greatly ex-
ceeding this absolute maximum rating, as in Figure 2 can
cause excessive current to flow in or out of the input pins
possibly affecting reliability.
Applications that exceed this rating must externally limit the
maximum input current to
±
5 mA with an input resistor (R
I
)
as shown in Figure 3
Stability vs
Capacitive Load
DS012049-73
Stability vs
Capacitive Load
DS012049-74
Stability vs
Capacitive Load
DS012049-75
Stability vs
Capacitive Load
DS012049-76
DS012049-8
FIGURE 1. An Input Voltage Signal Exceeds the
LMC6492/4 Power Supply Voltages with
No Output Phase Inversion
DS012049-9
FIGURE 2. A
±
7.5V Input Signal Greatly
Exceeds the 5V Supply in
Figure 3
Causing
No Phase Inversion Due to R
I
www.national.com
11
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMC6494AEM/NOPB | 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 |
| LMC6494AEMX | 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 |
| LMC6494AEMX/NOPB | 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 |
| LMC6494AEN | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:CMOS Rail-to-Rail Input and Output Operational Amplifier |
| LMC6494BEM | 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 |
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