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參數(shù)資料
| 型號： | 155 |
| 元件分類： | 運算放大器 |
| 英文描述： | OP-AMP, 1000 uV OFFSET-MAX, 3 MHz BAND WIDTH, DMA9 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 132K |
| 代理商： | 155 |
A
1
CALEX
FaxFACTS:
321
1997
Models 152 & 155 Operational Amplifiers
http://www.calex.com
2401 Stanwell Drive
Concord, CA 94520-4841
(510) 687-4411 Fax (510) 687-3333
Description
The Model 152 is an economical, general purpose operational
amplifier featuring very low input bias current and high input
impedance. It is designed for applications involving high
source resistances. The Model 155 has all these same
features but is better suited for applications requiring low
voltage drift.
A versatile circuit building kit, the Model MK150, is available.
It makes it easy to connect an amplifier in a wide variety of
standard op-amp circuits. These include inverting and non-
inverting amplifier, integrator, summer, etc. A potentiometer
for nulling the input offset and test jacks are provided.
Inverting/Filter Amplifier
The basic inverting amplifier shown in Figure 1 is useful where
a signal inversion or a simple low/high pass filter function is
required. The basic inverting amplifiers are used where high
slew rate and or high linearity is needed.
Basic Design Equations:
GAIN ........................... G = R6 / (R1 + R14)
0.1 < G < 100
R6 + RLoad > 2 kohms
Either R1 or R14 can be zero ohms
(jumper) for convenience
INPUT IMPEDANCE ... Zin = R1 +R14
BANDWIDTH .............. bw = 3 MHz/(1+G) in Hz
Value For R5 ............... R5 = Zin || R6
For a low pass filter function add C2 by the following equation,
Fc = 1 / (2 x pi x R6 x C2)
100 pF < C2 < 1 F
Where Fc is the -3 dB frequency in Hz of the low pass function.
The roll off is 6 dB per octave or -20 dB per decade of
frequency.
FIGURE 1. Inverting Amplifier
FIGURE 2. Inverting Summing Amplifier
Inverting Summing Amplifier
Figure 2 shows the basic inverting summing amplifier
configuration. This amplifier provides the function of summing
inputs and providing gain. The summed output can be low
pass filtered to reduce high frequency noise if required.
Basic Design Equations:
GAIN ........................... G1 = R6/(R1 +R14)
Input to Pin H
G2 = R6/R2
Input to Pin K
G3 = R6/R3
Input to Pin L
G4= R6/R4
Input to Pin M
0.1 < G < 100
for any input
R6 || RLoad > 2k ohms
Either R1 or R14 can be zero ohms
(jumper) for convenience.
INPUT IMPEDANCE ... Zin = (R1 +R14) or R2 or R3 or R4
BANDWIDTH .............. bw = 3 MHz/(1+R6/Zin) in Hz
Value For R5 ............... R5 = Zin ll R6
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 15-5 | 制造商:Curtis Industries 功能描述: |
| 155 PB | 制造商:CODELOCKS 功能描述:LOCK MORTICE LATCH W/HOLD BRASS 制造商:CODELOCKS 功能描述:LOCK, MORTICE LATCH, W/HOLD, BRASS |
| 155 SG | 制造商:CODELOCKS 功能描述:LOCK MORTICE LATCH W/HOLD 制造商:CODELOCKS 功能描述:LOCK, MORTICE LATCH, W/HOLD |
| 155.0892.5501 | 功能描述:保險絲 CFB Series Battery Terminal Fuse RoHS:否 制造商:Littelfuse 產(chǎn)品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險絲類型:Fast Acting 保險絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風格: 端接類型:SMD/SMT 系列:485 |
| 155.0892.5751 | 功能描述:保險絲 CFB Series Battery Terminal Fuse RoHS:否 制造商:Littelfuse 產(chǎn)品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險絲類型:Fast Acting 保險絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風格: 端接類型:SMD/SMT 系列:485 |
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