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參數資料
| 型號： | LPC661AIM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運算放大器 |
| 英文描述： | Low Power CMOS Operational Amplifier |
| 中文描述： | OP-AMP, 3300 uV OFFSET-MAX, 0.35 MHz BAND WIDTH, PDSO8 |
| 封裝： | PLASTIC, SOP-8 |
| 文件頁數： | 8/13頁 |
| 文件大小： | 311K |
| 代理商： | LPC661AIM |
Application Hints
(Continued)
(2:1) degradation of the amplifier’s performance. See Fig-
ures 5, 6, 7 for typical connections of guard rings for stan-
dard op-amp configurations. If both inputs are active and at
high impedance, the guard can be tied to ground and still
provide some protection; see Figure 8
The designer should be aware that when it is inappropriate
to lay out a PC board for the sake of just a few circuits, there
is another technique which is even better than a guard ring
on a PC board: Don’t insert the amplifier’s input pin into the
board at all, but bend it up in the air and use only air as an in-
sulator. Air is an excellent insulator. In this case you may
have to forego some of the advantages of PC board con-
DS011227-8
FIGURE 4. Example of Guard Ring in P.C. Board Layout, Using the LPC660
DS011227-9
FIGURE 5. Inverting Amplifier
Guard Ring Connections
DS011227-10
FIGURE 6. Non-Inverting Amplifier
Guard Ring Connections
DS011227-11
FIGURE 7. Follower
Guard Ring Connections
DS011227-12
FIGURE 8. Howland Current Pump
Guard Ring Connections
www.national.com
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相關PDF資料 |
PDF描述 |
|---|---|
| LPC661AIN | Low Power CMOS Operational Amplifier |
| LPC661AMN | Low Power CMOS Operational Amplifier |
| LPC661 | Low Power CMOS Operational Amplifier |
| LPC661IM | Low Power CMOS Operational Amplifier |
| LPC661IN | Low Power CMOS Operational Amplifier |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LPC661AIMX | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| LPC661AIN | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Low Power CMOS Operational Amplifier |
| LPC661AMN | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Low Power CMOS Operational Amplifier |
| LPC661IM | 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 |
| LPC661IM | 制造商:TELCOM SEMICONDUCTOR 功能描述:IC OP AMP CMOS SMD SOIC8 661 |
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