Op Amps

Op Amps, short for Operational Amplifiers, are semiconductor devices commonly used in analogue electronic circuits. They work by receiving an input signal and amplifying it into a stronger output signal. Op Amps offer a very high voltage gain amplifiers.

How do Op Amps work?
Op Amps provide mathematical operations such as addition, multiplication, differentiation, and integration. They are voltage amplifiers which usually have a differential input and a single-ended output.
There are two inputs into an Operational Amplifier which are called inverting (-) and non-inverting (+) inputs. If you were to increase the voltage to the inverting input, the output voltage decreases. Alternatively, if you increase the voltage to the non-inverting input, the output voltage increases. If an equal voltage is supplied to both inputs, the output will not change.

What is a differential amplifier?
Op Amps are often referred to as differential amplifiers. This is because the output of an Op-Amp is relative to the difference between the input voltages.

Where are Op Amps used?
Operational amplifiers have a wide variety of uses in electronic circuits. Here are some examples of how they are used:

Crystal oscillators and waveform generators
Audio- and video-frequency pre-amplifiers and buffers
Integrators
Comparators
Analogue-to-digital (ADC) and digital-to-analogue (DAC) converters
Voltage Clamps
Analogue Calculators
Filters
Differentiators
Precision rectifiers
Linear voltage regulators
Current regulators
Precision rectifiers
Precision peak to peak detectors

...
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Description Price Amplifier Type Mounting Type Package Type Power Supply Type Number of Channels per Chip Pin Count Typical Single Supply Voltage Typical Gain Bandwidth Product Output Type Typical Dual Supply Voltage Typical Slew Rate Maximum Operating Frequency Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 533-9218
Mfr. Part No.LF356N/NOPB
$1.46
Each
units
- Through Hole MDIP Dual 1 8 - 5MHz - ±15V 12V/µs - +70 °C 0 °C
RS Stock No. 367-643
Mfr. Part No.NJM5534D
$1.67
Each
units
- - - - - - - - - - - - - -
RS Stock No. 121-9012
Mfr. Part No.OPA2227U
$15.345
Each (In a Tube of 75)
units
Low Noise, Precision Surface Mount SOIC Dual 2 8 - 8MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 2.3V/µs - +85 °C -40 °C
RS Stock No. 652-5684
Mfr. Part No.OPA2227U
$20.17
Each
units
Low Noise, Precision Surface Mount SOIC Dual 2 8 - 8MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 2.3V/µs - +85 °C -40 °C
RS Stock No. 523-9657
Mfr. Part No.OP275GPZ
$5.599
Each (In a Tube of 50)
units
Audio Through Hole PDIP Dual 2 8 - 9MHz - ±12 V, ±15 V, ±18 V, ±5 V, ±9 V 22V/µs - +85 °C -40 °C
RS Stock No. 661-1417
Mfr. Part No.TL3472CD
$1.10
Each (In a Pack of 10)
units
- Surface Mount SOIC Dual, Single 2 8 5 → 28 V 4MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 10V/µs - +70 °C 0 °C
RS Stock No. 522-8433
Mfr. Part No.OP275GPZ
$7.69
Each
units
Audio Through Hole PDIP Dual 2 8 - 9MHz - ±12 V, ±15 V, ±18 V, ±5 V, ±9 V 22V/µs - +85 °C -40 °C
RS Stock No. 121-8734
Mfr. Part No.LF356N/NOPB
$1.188
Each (In a Tube of 40)
units
- Through Hole MDIP Dual 1 8 - 5MHz - ±15V 12V/µs - +70 °C 0 °C
RS Stock No. 517-2318
Mfr. Part No.OP07CP
$3.885
Each (In a Pack of 10)
units
Precision Through Hole PDIP Dual 1 8 - 600kHz - ±12 V, ±15 V, ±5 V, ±9 V 0.3V/µs - +70 °C 0 °C
RS Stock No. 145-6377
Mfr. Part No.TL3472CD
$1.10
Each (In a Tube of 75)
units
- Surface Mount SOIC Dual, Single 2 8 5 → 28 V 4MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 10V/µs - +70 °C 0 °C
RS Stock No. 178-8886
Mfr. Part No.LM358ADR
$0.27
Each (In a Tray of 135)
units
- - - - - - - - - - - - - -
RS Stock No. 779-8919
Mfr. Part No.LT1010CT#PBF
$12.095
Each (In a Pack of 2)
units
High Current Through Hole TO-220 Single 1 5 4.5 → 22 V 20MHz - - 75V/µs - +100 °C 0 °C
RS Stock No. 777-6717
Mfr. Part No.LM741H/NOPB
$25.94
Each
units
- Through Hole TO-99 Dual 1 8 - 1.5MHz - ±22V 0.5V/µs - +125 °C -55 °C
RS Stock No. 922-2338
Mfr. Part No.LM741H/NOPB
$17.072
Each (On a Reel of 500)
units
- Through Hole TO-99 Dual 1 8 - 1.5MHz - ±22V 0.5V/µs - +125 °C -55 °C
RS Stock No. 920-6364
Mfr. Part No.LMV321ILT
$0.287
Each (On a Reel of 3000)
units
Low Power Surface Mount SOT-23 Single 1 5 3 V, 5 V 1.3MHz - - 0.45V/µs - +125 °C -40 °C
RS Stock No. 166-2399
Mfr. Part No.LMV358AM8X
$0.295
Each (On a Reel of 2500)
units
- Surface Mount SOIC Single 2 8 2.5 → 5.5 V 1.2MHz - - 1.5V/µs - +125 °C -40 °C
RS Stock No. 661-1378
Mfr. Part No.TL074CD
$0.937
Each (In a Pack of 10)
units
- Surface Mount SOIC Dual 4 14 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +70 °C 0 °C
RS Stock No. 759-9412
Mfr. Part No.LMV358AM8X
$0.769
Each (In a Pack of 10)
units
- Surface Mount SOIC Single 2 8 2.5 → 5.5 V 1.2MHz - - 1.5V/µs - +125 °C -40 °C
RS Stock No. 517-2289
Mfr. Part No.NE5532D
$1.351
Each (In a Pack of 10)
units
- Surface Mount SOIC Dual 2 8 - 10MHz - ±15V 9V/µs - +70 °C 0 °C
RS Stock No. 304-239
Mfr. Part No.TL072CP
$1.41
Each
units
- Through Hole PDIP Dual 2 8 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +70 °C 0 °C
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