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.

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.

Op Amp Applications

  • 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. 535-9969
Mfr. Part No.LM741CN/NOPB
£0.772
Each (In a Pack of 5)
Units
- Through Hole MDIP Dual 1 8 - 1MHz - ±12 V, ±15 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS Stock No. 102-5716
Mfr. Part No.LM741CN/NOPB
£0.671
Each (In a Tube of 40)
Units
- Through Hole MDIP Dual 1 8 - 1MHz - ±12 V, ±15 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS Stock No. 305-311
Mfr. Part No.UA741CP
£0.388
Each (In a Pack of 5)
Units
- Through Hole PDIP Dual 1 8 - 1MHz - ±12 V, ±15 V, ±5 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS Stock No. 371-1286
Mfr. Part No.UA741CP
£0.34
Each (In a Tube of 50)
Units
- Through Hole PDIP Dual 1 8 - 1MHz - ±12 V, ±15 V, ±5 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS Stock No. 922-3029
Mfr. Part No.LM324N
£0.331
Each (In a Tube of 25)
Units
- - - - - - - - - - - - - -
RS Stock No. 661-0530
Mfr. Part No.LM324N
£0.33
Each (In a Pack of 10)
Units
Precision Through Hole PDIP Dual, Single 4 14 5 → 28 V 1.2MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS Stock No. 517-2267
Mfr. Part No.LM348N
£0.489
Each (In a Pack of 10)
Units
Precision Through Hole PDIP Dual 4 14 - 1MHz - ±12 V, ±15 V, ±5 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS Stock No. 121-8670
Mfr. Part No.LM348N
£0.493
Each (In a Tube of 25)
Units
Precision Through Hole PDIP Dual 4 14 - 1MHz - ±12 V, ±15 V, ±5 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS Stock No. 304-245
Mfr. Part No.TL071CP
£0.48
Each
Units
- Through Hole PDIP Dual 1 8 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +70 °C 0 °C
RS Stock No. 121-8282
Mfr. Part No.TL071CP
£0.423
Each (In a Tube of 50)
Units
- Through Hole PDIP Dual 1 8 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +70 °C 0 °C
RS Stock No. 304-239
Mfr. Part No.TL072CP
£0.92
Each
Units
- Through Hole PDIP Dual 2 8 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +70 °C 0 °C
RS Stock No. 121-8281
Mfr. Part No.TL072CP
£0.676
Each (In a Tube of 50)
Units
- Through Hole PDIP Dual 2 8 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +70 °C 0 °C
RS Stock No. 517-2318
Mfr. Part No.OP07CP
£2.344
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. 920-3463
Mfr. Part No.OP07CP
£2.222
Each (In a Tube of 50)
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. 921-5425
Mfr. Part No.CA3140EZ
£2.40
Each (In a Pack of 5)
Units
- Through Hole PDIP Dual, Single 1 8 5 → 28 V 3.7MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 7V/µs - +125 °C -55 °C
RS Stock No. 923-1332
Mfr. Part No.CA3140EZ
£2.029
Each (In a Tube of 50)
Units
- Through Hole PDIP Dual, Single 1 8 5 → 28 V 3.7MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 7V/µs - +125 °C -55 °C
RS Stock No. 100-3834
Mfr. Part No.NE5532AP
£1.025
Each (In a Tube of 50)
Units
- Through Hole PDIP Dual 2 8 - 10MHz - ±15V 9V/µs - +70 °C 0 °C
RS Stock No. 436-3046
Mfr. Part No.NE5532AP
£1.19
Each
Units
- Through Hole PDIP Dual 2 8 - 10MHz - ±15V 9V/µs - +70 °C 0 °C
RS Stock No. 689-6719
Mfr. Part No.LM358DR2G
Brandonsemi
£0.392
Each (In a Pack of 5)
Units
- Surface Mount SOIC Dual, Single 2 8 5 → 28 V - - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V - - +70 °C 0 °C
RS Stock No. 163-2417
Mfr. Part No.LM358DR2G
Brandonsemi
£0.073
Each (On a Reel of 2500)
Units
- Surface Mount SOIC Dual, Single 2 8 5 → 28 V - - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V - - +70 °C 0 °C