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參數(shù)資料
| 型號： | TL288IP |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | JFET-INPUT OPERATIONAL AMPLIFIERS |
| 中文描述： | JFET輸入運算放大器 |
| 文件頁數(shù)： | 19/20頁 |
| 文件大?。?/td> | 259K |
| 代理商： | TL288IP |
TL087, TL088, TL287, TL288
JFET-INPUT OPERATIONAL AMPLIFIERS
SLOS082A – D2484, MARCH 1979 – REVISED JANUARY 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
19
TYPICAL APPLICATION DATA
input characteristics
These amplifiers are specified with a minimum and a maximum input voltage that, if exceeded at either input,
could cause the device to malfunction.
Because of the extremely high input impedance and resulting low bias current requirements, these amplifiers
are well suited for low-level signal processing; however, leakage currents on printed circuit boards and sockets
can easily exceed bias current requirements and cause degradation in system performance. It is good practice
to include guard rings around inputs (see Figure 45). These guards should be driven from a low-impedance
source at the same voltage level as the common-mode input.
+
–
+
–
+
–
VO
VO
VO
VI
VI
(a) NONINVERTING AMPLIFIER
(b) INVERTING AMPLIFIER
(c) UNITY–GAIN AMPLIFIER
VI
Figure 45. Use of Guard Rings
noise performance
The noise specifications in op amp circuits are greatly dependent on the current in the first-stage diflferential
amplifier. The low input bias current requirments of these amplifiers result in a very low current noise. This
feature makes the devices especially favorable over bipolar devices when using values of circuit impedance
greater than 50 k
.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TL288MJG | 制造商:TI 制造商全稱:Texas Instruments 功能描述:JFET-INPUT OPERATIONAL AMPLIFIERS |
| TL288MU | 制造商:TI 制造商全稱:Texas Instruments 功能描述:JFET-INPUT OPERATIONAL AMPLIFIERS |
| TL28A | 功能描述:測試引線 HEAVY DUTY TEST LE RoHS:否 制造商:Pomona Electronics 設(shè)備類型:Patch Cords 連接器類型:Banana plug (stackable) on both ends 長度:60 in 顏色:Black |
| TL28L92 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3.3-V/5-V Dual Universal Asynchronous Receiver/Transmitter |
| TL28L92FR | 功能描述:UART 接口集成電路 3.3V/5V Dual Uni Asynch Rcvr/Xmitter RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
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