Operational Amplifiers (results: 1072)
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LM321 SOT23-5 GAOGE
Low Power Op-Amp, Voff 2.9mV, ±1.5÷±16V, 0÷70°C Replacement for: LM321MF/NOPB, LM321MFX/NOPB
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In stock:
1000 pcs. |
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Packaging: 1000 Quantity (multiple 1) |
GAOGE | Operational amplifier | SMD | 1 | SOT23-5 | 0°C ~ 70°C | 3V ~ 32V | ||||||||||||||
LM321MFX JSMICRO
Low Power Op-Amp, GBW 1MHz, SR 0.4V/us, Voff 2mV, ±2.5÷±12V, 0÷70°C Replacement for: LM321MF/NOPB, LM321MFX/NOPB
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In stock:
500 pcs. |
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Packaging: 500 Quantity (multiple 1) |
JSMICRO | Operational amplifier | 1MHz | SMD | 1 | SOT23-5 | 0,4V/us | 0°C ~ 70°C | 5V ~ 24V | ||||||||||||
LM321 MLCCBASE
Low Power Op-Amp, GBW 1MHz, SR 0.52V/us, Voff 0.8mV, 2.1÷5.5V, 0÷70°C Replacement for: LM321MF/NOPB, LM321MFX/NOPB
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In stock:
500 pcs. |
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Packaging: 500 Quantity (multiple 1) |
MLCCBASE | Operational amplifier | 1MHz | SMD | 1 | SOT23-5 | 0,52V/us | 0°C ~ 70°C | 2,1V ~ 5,5V | ||||||||||||
LM321 SLKOR
Low Power Op-Amp, GBW 1MHz, SR 0.4V/us, Voff 2mV, ±2.5÷±12V, 0÷70°C Replacement for: LM321MF/NOPB, LM321MFX/NOPB
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In stock:
1996 pcs. |
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Packaging: 3000 Quantity (multiple 1) |
SLKOR | Operational amplifier | 1MHz | SMD | 1 | SOT23-5 | 0,4V/us | 0°C ~ 70°C | 5V ~ 24V | ||||||||||||
In stock:
100 pcs. |
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Packaging: 2000 Quantity (multiple 1) |
SLKOR | Operational amplifier | 1MHz | SMD | 1 | SOT23-5 | 0,4V/us | 0°C ~ 70°C | 5V ~ 24V | ||||||||||||
LM321MF UMW
Low Power Op-Amp, GBW 1MHz, SR 0.4V/us, Voff 2mV, ±1.5÷±16V, -40÷85°C Replacement for: LM321MF/NOPB, LM321MFX/NOPB
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In stock:
2770 pcs. |
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Packaging: 3000 Quantity (multiple 1) |
UMW | Operational amplifier | 1MHz | SMD | 1 | SOT23-5 | 0,4V/us | -40°C ~ 85°C | 3V ~ 32V | ||||||||||||
LM324M Texas Instruments
Quad Op-Amp, GBW 1MHz, SR 0.5V/us, Voff 2mV, ±1.5÷±16V, 0÷70°C
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Manufacturer:
NSC Manufacturer part number: LM324M RoHS Case style: SOP14t/r |
In stock:
6 pcs. |
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Packaging: 50 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 1MHz | SMD | 4 | SOP14 | 0,5V/us | 0°C ~ 70°C | 1,5V ~ 16V | ||||||||||||
In stock:
10 pcs. |
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Packaging: 50 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 1MHz | SMD | 4 | SOP14 | 0,5V/us | 0°C ~ 70°C | 1,5V ~ 16V | ||||||||||||
LM348D
Quad Op-Amp, GBW 1MHz, SR 0.5V/us, Voff 1mV, +/-4÷+/-18V, 0÷70°C LM348DE4, LM348DG4, LM348DR, LM348DRE4, LM348DRG4
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In stock:
25 pcs. |
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Packaging: 300 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 1MHz | SMD | 4 | SOP14 | 0,5V/us | 0°C ~ 70°C | 4V ~ 18V | ||||||||||||
In stock:
100 pcs. |
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Packaging: 150 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 1MHz | SMD | 4 | SOP14 | 0,5V/us | 0°C ~ 70°C | 4V ~ 18V | ||||||||||||
LM348N
Quad Op-Amp, GBW 1MHz, SR 0.5V/us, Voff 1mV, +/-4÷+/-18V, 0÷70°C
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In stock:
68 pcs. |
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Packaging: 25/100 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 1MHz | THT | 4 | PDIP14 | 0,5V/us | 0°C ~ 70°C | 4V ~ 18V | ||||||||||||
LM358AD Texas Instruments
Dual Op-Amp, BW 0.7MHz, SR 0.3V/us, Voff 2mV, ±1.5÷±15V, 0÷70°C LM358ADE4, LM358ADG4, LM358ADR, LM358ADRE4, LM358ADRG4
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In stock:
1012 pcs. |
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Packaging: 1000 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 0,7MHz | SMD | 2 | SOP08 | 0,3V/us | 0°C ~ 70°C | 1,5V ~ 15V | ||||||||||||
LM358ADT ST Microelectronics
Dual Op-Amp, BW 1.1MHz, SR 0.6V/us, Voff 1mV, ±1.5÷±15V, 0÷70°C Replacement: LM358AM.
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In stock:
1570 pcs. |
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Packaging: 2500 Quantity (multiple 1) |
STMicroelectronics | Operational amplifier | 1,1MHz | SMD | 2 | SOP08 | 0,6V/us | 0°C ~ 70°C | 1,5V ~ 15V | ||||||||||||
LM358ADR UMW
Dual Op-Amp, BW 0.7MHz, SR 0.3V/us, Voff 2mV, ±1.5÷±18V, -25÷85°C Replacement for: LM358D, LM358D-ST, LM358DT, LM358D-TI, LM358DR, LM358DE4, LM358DG4, LM358DRE4, LM358DRG3, LM358DRG4, LM358DG, LM358DR2G, LM358M, LM358M/NOPB, LM358MX/NOPB, KIA358F-EL/P, AS358MTR-E1, AS358MTR-G1, LM358G-S08-R
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In stock:
480 pcs. |
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Packaging: 500 Quantity (multiple 1) |
UMW | Operational amplifier | 0,7MHz | SMD | 2 | SOP08 | 0,3V/us | -25°C ~ 85°C | 1,5V ~ 18V | ||||||||||||
LM358QT
Dual Op-Amp, GBW 1.1MHz, SR 0.6V/us, Voff 2mV, ±1.5÷±15V, 0÷70°C
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In stock:
100 pcs. |
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Packaging: 100 Quantity (multiple 1) |
STMicroelectronics | Operational amplifier | 1,1MHz | SMD | 2 | DFN08 | 0,6V/us | 0°C ~ 70°C | 1,5V ~ 15V | ||||||||||||
LM3900N
Quad Norton Op-Amp, GBW 2.5MHz, SR 20V/us, +/-2.2÷+/-16V, 0÷70°C
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In stock:
250 pcs. |
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Packaging: 25/250 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 2,5MHz | THT | 4 | PDIP14 | 20V/us | 0°C ~ 70°C | 2,2V ~ 16V | ||||||||||||
LM392M
Op-Amp/Comparator, BW 1MHz / tpd 1.3us, Voff 2mV, +/-1.5÷+/-16V, 0÷70°C
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Manufacturer:
NSC Manufacturer part number: LM392M RoHS Case style: SOP08t/r |
In stock:
53 pcs. |
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Packaging: 50 Quantity (multiple 1) |
Texas Instruments | Amplifier/Comparator | 1MHz | SMD | 2 | SOP08 | 0°C ~ 70°C | 1,5V ~ 16V | |||||||||||||
LM4562NA
Dual Audio Op-Amp, GBW 55MHz, SR 20V/us, Voff 0.1mV, +/-2.5÷+/-17V, -40÷85°C LM4562NA/NOPB
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In stock:
30 pcs. |
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Packaging: 40 Quantity (multiple 1) |
Texas Instruments | Audio amplifier | 55MHz | THT | 2 | PDIP08 | 20V/us | -40°C ~ 85°C | 2,5V ~ 17V | ||||||||||||
LM6132AIM
Dual R-R I/O Op-Amp, GBW 11MHz, SR 14V/us, Voff 2mV max, 1.8÷24V, -40÷85°C LM6132AIM/NOPB, LM6132AIMX/NOPB
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Manufacturer:
NSC Manufacturer part number: LM6132AIM RoHS Case style: SOP08 |
In stock:
20 pcs. |
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Packaging: 20 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 11MHz | SMD | 2 | SOP08 | 14V/us | -40°C ~ 85°C | 1,8V ~ 24V | ||||||||||||
LM6132BIM
Dual R-R I/O Op-Amp, GBW 11MHz, SR 14V/us, Voff 6mV max, 1.8÷24V, -40÷85°C
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In stock:
20 pcs. |
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Packaging: 20 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 11MHz | SMD | 2 | SOP08 | 14V/us | -40°C ~ 85°C | 1,8V ~ 24V | ||||||||||||
LM6134BIM
Quad R-R I/O Op-Amp, GBW 11MHz, SR 14V/us, Voff 6mV max, 1.8÷24V, -40÷85°C
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Manufacturer:
NSC Manufacturer part number: LM6134BIM RoHS Case style: SOP14t/r |
In stock:
26 pcs. |
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Packaging: 41 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 11MHz | SMD | 4 | SOP14 | 14V/us | -40°C ~ 85°C | 1,8V ~ 24V | ||||||||||||
LM6142BIM
Dual R-R I/O Op-Amp, GBW 18MHz, SR 25V/us, Voff 2.5mV max, 1.8÷24V, -40÷85°C LM6142BIM/NOPB, LM6142BIMX/NOPB
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Manufacturer:
NSC Manufacturer part number: LM6142BIMX/NOPB RoHS Case style: SOP08t/r |
In stock:
50 pcs. |
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Packaging: 50 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 18MHz | SMD | 2 | SOP08 | 25V/us | -40°C ~ 85°C | 1,8V ~ 24V | ||||||||||||
LM7301IM5
R-R I/O Op-Amp, GBW 4MHz, SR 1.25V/us, Voff 0.03mV, +/-0.9÷+/-16V, -40÷85°C LM7301IM5/NOPB, LM7301IM5X/NOPB
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In stock:
4 pcs. |
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Packaging: 50 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 4MHz | SMD | 1 | SOT23-5 | 1,25V/us | -40°C ~ 85°C | 0,9V ~ 16V | ||||||||||||
In stock:
20 pcs. |
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Packaging: 20 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 4MHz | SMD | 1 | SOT23-5 | 1,25V/us | -40°C ~ 85°C | 0,9V ~ 16V | ||||||||||||
LM7321MA
R-R I/O Op-Amp, GBW 20MHz, SR 18V/us, Voff 700uV,+/-1.25÷+/-16V, -40÷125°C LM7321MA/NOPB, LM7321MAX/NOPB
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Manufacturer:
Texas Instruments Manufacturer part number: LM7321MAX RoHS Case style: SOP08t/r |
In stock:
1 pcs. |
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Packaging: 1000 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 20MHz | SMD | 1 | SOP08 | 18V/us | -40°C ~ 125°C | 1,25V ~ 16V | ||||||||||||
In stock:
50 pcs. |
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Packaging: 50 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 20MHz | SMD | 1 | SOP08 | 18V/us | -40°C ~ 125°C | 1,25V ~ 16V | ||||||||||||
LM8272MM
Dual R-R I/O Op-Amp, GBW 15MHz, SR 15V/us, Voff 0.7mV, +/-1.25÷+/-12V, -40÷85°C LM8272MM/NOPB, LM8272MMX/NOPB
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In stock:
5 pcs. |
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Packaging: 10 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 15MHz | SMD | 2 | MSOP08 | 15V/us | -40°C ~ 85°C | 1,25V ~ 12V | ||||||||||||
XL833 XINLUDA
Dual Low Noise Op-Amp, GBW 15MHz, SR 7V/us, Voff 0.3mV, ±5÷±18V, -40÷85°C Replacement for: LM833D, LM833DR, LM833DT, LM833DG, LM833DR2G, LM833M/NOPB, LM833MX/NOPB
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In stock:
400 pcs. |
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Packaging: 400 Quantity (multiple 1) |
XINLUDA | Operational amplifier | 15MHz | SMD | 2 | SOP08 | 7V/us | -40°C ~ 85°C | 5V ~ 18V | ||||||||||||
LM833DG
Dual Low Noise Op-Amp, GBW 15MHz, SR 7V/us, Voff 0.3mV, +/-5÷+/-18V, -40÷85°C LM833DR2G
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In stock:
54 pcs. |
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Packaging: 94 Quantity (multiple 1) |
ON SEMICONDUCTOR | Audio amplifier | 15MHz | SMD | 2 | SOP08 | 7V/us | -40°C ~ 85°C | 5V ~ 18V | ||||||||||||
In stock:
6 pcs. |
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Packaging: 6 Quantity (multiple 1) |
ON SEMICONDUCTOR | Audio amplifier | 15MHz | SMD | 2 | SOP08 | 7V/us | -40°C ~ 85°C | 5V ~ 18V | ||||||||||||
LM833P
Dual Low Noise Op-Amp, GBW 16MHz, SR 7V/us, Voff 0.15mV, +/-5÷+/-18V, -40÷85°C
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In stock:
30 pcs. |
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Packaging: 50 Quantity (multiple 1) |
Texas Instruments | Audio amplifier | 16MHz | THT | 2 | PDIP08 | 7V/us | -40°C ~ 85°C | 5V ~ 18V | ||||||||||||
LMC6082IM
Dual CMOS R-R Out Op-Amp, GBW 1.3MHz, SR 1.5V/us, Voff 0.8mV max, 4.5÷15.5V
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In stock:
50 pcs. |
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Packaging: 50 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 1,3MHz | SMD | 2 | SOP08 | 1,5V/us | -40°C ~ 85°C | 4,5V ~ 15,5V | ||||||||||||
LMC6482AIM
Dual CMOS R-R I/O Op-Amp, GBW 1.5MHz, SR 1.3V/us, Voff 0.75mV max, 3÷15.5V
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In stock:
49 pcs. |
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Packaging: 300 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 1,5MHz | SMD | 2 | SOP08 | 1,3V/us | -40°C ~ 85°C | 3V ~ 15,5V | ||||||||||||
LMC7101AIM5
CMOS R-R I/O Op-Amp, GBW 1.1MHz, SR 1.1V/us, Voff 3mV max, 2.7÷15.5V, -40÷85°C LMC7101AIM5/NOPB, LMC7101AIM5X/NOPB
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Manufacturer:
Texas Instruments Manufacturer part number: LMC7101AIM5X/NOPB RoHS Case style: SOT23-5/t/r |
In stock:
69 pcs. |
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Packaging: 100 Quantity (multiple 1) |
Texas Instruments | Operational amplifier | 1,1MHz | SMD | 1 | SOT23-5 | 1,1V/us | -40°C ~ 85°C | 2,7V ~ 15,5V | ||||||||||||
LMH6503MA
Variable Gain Op-Amp, BW 135MHz, SR 1800V/us, +/-2.5÷+/-6V, -40÷85°C
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In stock:
4 pcs. |
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Packaging: 10 Quantity (multiple 1) |
Texas Instruments | Variable gain amplifier | 135MHz | SMD | 1 | SOP14 | 1800V/us | -40°C ~ 85°C | 2,5V ~ 6V | ||||||||||||
LMH6559MF
Closed-Loop Buffer, BW 1750MHz, SR 4580V/us, Voff 1mV, +/-1.5÷+/-5V, -40÷85°C
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In stock:
10 pcs. |
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Packaging: 20 Quantity (multiple 1) |
Texas Instruments | Buffer | 1750MHz | SMD | 1 | SOT23-5 | 4580V/us | -40°C ~ 85°C | 1,5V ~ 5V |
What are operational amplifiers and what are they used for?
Not high enough output voltage is a very common problem which can be solved in various ways. It is popular to include external transistor in the project. Nonetheless, using an operational amplifier is way more convenient and effective. We particularly explain below what an operational amplifier is and how this device works.
Increasing the voltage - what is an operational amplifier
In spite of appearances, operational amplifiers are not that complicated in their construction. These are unique integrated circuits with the ability to increase the output voltage. So how are they constructed? Similarly to differential amplifiers, the difference in their construction is the fact that operational amplifiers are multistage. A classic amplifier consists of two connected transistors, they have a common- emitter circuit and work in the environment of one emitter. A single housing could contain one or more operational amplifiers. Micros offers both single and multi-circuit operational amplifiers. Everyone will find what they are looking for in our offer.
How do operational amplifiers work?
Similarly to their construction, they are not that complicated when it comes to their operation. Current is supplied to the amplifier through two inputs located on both sides of it. Transistors automatically amplify the voltage, usually to sky-high values. The most powerful operational amplifiers are able to amplify the voltage even as high as one million times. It is definitely too high, therefore bipolar operational amplifiers dominate in our store. The catalogue includes models with negative and positive feedback, which are so-called closed loop amplifiers.
Using closed loop is essential in order for the operational amplifiers to be applied anywhere. Without limiting the power, the circuit that is a part of the amplifier would burn immediately. How does the closed loop work? In fact, not all the output voltage actually travels to the further part of the circuit. Part of it goes to the input. That is why operational amplifiers contain two inputs. Excessive power of the voltage is reduced by moving part of it to the negative input.
Ideal operational amplifier - theory and reality
Certain features distinguish an ideal operational amplifier. Of course only in theory because in reality, having ideal parameters in a practical model is impossible. An ideal model is distinguished by:
- Unlimited input impedance
- Input impedance at zero value
- Unlimited value of voltage amplification
- Unbalanced voltage at zero input value
Of course we have to consider that although operational amplifiers integrated circuits are not ideal, in reality most of the so-called ideal parameters are not necessary. Input impedance value or voltage amplification are more than enough in all applications of operational amplifiers.
Operational amplifiers - Store with rich stock
If you need operational amplifiers, Micros has everything that you need. We offer operational amplifiers from best manufacturers who guarantee effective work and long lifespan of their products. You do not have to worry about how to check the device while choosing an operational amplifier from our offer. Every product which we allow to be admitted to trading is fully functional and warranteed.