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| 型號： | TL052MD |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | ENHANCED-JFET LOW-OFFSET OPERATIONAL AMPLIFIERS |
| 中文描述： | 增強(qiáng)型場效應(yīng)低失調(diào)運(yùn)算放大器 |
| 文件頁數(shù)： | 55/65頁 |
| 文件大小： | 1022K |
| 代理商： | TL052MD |
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TL05x, TL05xA, TL05xY
ENHANCED-JFET LOW-OFFSET
OPERATIONAL AMPLIFIERS
SLOS178 – FEBRUARY 1997
55
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
input characteristics
The TL05x and TL05xA 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, the TL05x and
TL05xA 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 83). These guards should be driven from a
low-impedance source at the same voltage level as the common-mode input.
Unused amplifiers should be connected as grounded unity-gain followers to avoid possible oscillation.
+
–
+
–
+
–
VO
VO
VO
VI
VI
(a) NONINVERTING AMPLIFIER
(b) INVERTING AMPLIFIER
(c) UNITY-GAIN AMPLIFIER
VI
Figure 83. Use of Guard Rings
noise performance
The noise specifications in operational amplifier circuits are greatly dependent on the current in the first-stage
differential amplifier. The low input bias current requirements of the TL05x and TL05xA 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) |
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| TL052MFK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:ENHANCED-JFET LOW-OFFSET OPERATIONAL AMPLIFIERS |
| TL052MFKB | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TL052MJG | 制造商:TI 制造商全稱:Texas Instruments 功能描述:ENHANCED-JFET LOW-OFFSET OPERATIONAL AMPLIFIERS |
| TL052MJGB | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ENHANCED-JFET LOW-OFFSET OPERATIONAL AMPLIFIERS |
| TL052MLB | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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