参数资料
型号: TL088CP
厂商: Texas Instruments, Inc.
英文描述: JFET-INPUT OPERATIONAL AMPLIFIERS
中文描述: JFET输入运算放大器
文件页数: 19/20页
文件大小: 259K
代理商: TL088CP
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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相关代理商/技术参数
参数描述
TL08C 功能描述:测试引线 KELVIN CLIP RoHS:否 制造商:Pomona Electronics 设备类型:Patch Cords 连接器类型:Banana plug (stackable) on both ends 长度:60 in 颜色:Black
TL091 制造商:TI 制造商全称:Texas Instruments 功能描述:nullJFET-INPUT OPERATIONAL AMPLIFIERS
TL091C 制造商:TI 制造商全称:Texas Instruments 功能描述:JFET INPUT OPERATIONAL AMPLIFIERS
TL091I 制造商:TI 制造商全称:Texas Instruments 功能描述:nullJFET-INPUT OPERATIONAL AMPLIFIERS
TL091L 制造商:TI 制造商全称:Texas Instruments 功能描述:JFET INPUT OPERATIONAL AMPLIFIERS