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. 163-2403
Mfr. Part No.LM2902DR2G
TWD3.90
Each (On a Reel of 2500)
units
- Surface Mount SOIC Dual, Single 4 14 5 → 28 V - - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V - - +105 °C -40 °C
RS Stock No. 689-6703
Mfr. Part No.LM2902DR2G
TWD16.60
Each (In a Pack of 5)
units
- Surface Mount SOIC Dual, Single 4 14 5 → 28 V - - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V - - +105 °C -40 °C
RS Stock No. 463-543
Mfr. Part No.LM358DG
TWD7.00
Each (In a Pack of 25)
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. 145-3857
Mfr. Part No.LM301ADR2G
TWD6.30
Each (On a Reel of 2500)
units
- Surface Mount SOIC Dual 1 8 - - - ±3 → ±18V 10V/µs - +70 °C 0 °C
RS Stock No. 787-8642
Mfr. Part No.LM301ADR2G
TWD15.80
Each (In a Pack of 10)
units
- Surface Mount SOIC Dual 1 8 - - - ±3 → ±18V 10V/µs - +70 °C 0 °C
RS Stock No. 162-9672
Mfr. Part No.TCA0372DWR2G
TWD14.40
Each (On a Reel of 1000)
units
Power Surface Mount SOIC Dual, Single 2 16 40 V 1.4MHz - - 1.4V/µs 100 kHz +125 °C -40 °C
RS Stock No. 103-5107
Mfr. Part No.LM201AVDR2G
TWD7.30
Each (On a Reel of 2500)
units
General Purpose Surface Mount SOIC Dual 1 8 - 1MHz - ±5 → ±20V 10V/µs - +105 °C -40 °C
RS Stock No. 791-6340
Mfr. Part No.TCA0372DWR2G
TWD32.30
Each (In a Pack of 10)
units
Power Surface Mount SOIC Dual, Single 2 16 40 V 1.4MHz - - 1.4V/µs 100 kHz +125 °C -40 °C
RS Stock No. 122-0104
Mfr. Part No.MC33078DR2G
TWD5.70
Each (On a Reel of 2500)
units
- Surface Mount SOIC Dual 2 8 - 16MHz - ±12 V, ±15 V, ±9 V 7V/µs - +85 °C -40 °C
RS Stock No. 773-7677
Mfr. Part No.LM201AVDR2G
TWD20.00
Each (In a Pack of 5)
units
- Surface Mount SOIC Dual 1 8 - - - ±5 → ±20V 10V/µs - +105 °C -40 °C
RS Stock No. 689-6721
Mfr. Part No.MC33078DR2G
TWD18.40
Each (In a Pack of 5)
units
- Surface Mount SOIC Dual 2 8 - 16MHz - ±12 V, ±15 V, ±9 V 7V/µs - +85 °C -40 °C
RS Stock No. 806-4989
Mfr. Part No.NCV33272ADR2G
TWD43.00
Each (In a Pack of 5)
units
Low Noise Surface Mount SOIC Single 2 8 3 → 36 V 24MHz - - 10V/µs - +125 °C -40 °C
RS Stock No. 162-9356
Mfr. Part No.LMV321SQ3T2G
TWD4.80
Each (On a Reel of 3000)
units
Low Voltage Surface Mount SC-70 Single 1 5 2.7 → 5 V 1MHz - - 1V/µs - +85 °C -40 °C
RS Stock No. 759-9403
Mfr. Part No.LMV321AS5X
TWD14.10
Each (In a Pack of 10)
units
- Surface Mount SOT23-5 Single 1 5 2.5 → 5.5 V 1.2MHz - - 1.5V/µs - +125 °C -40 °C
RS Stock No. 163-2405
Mfr. Part No.LM2904DMR2G
TWD3.50
Each (On a Reel of 4000)
units
Low Power Surface Mount MSOP Dual, Single 2 8 3 → 32 V - - ±16V - - +105 °C -40 °C
RS Stock No. 162-9357
Mfr. Part No.LMV324DR2G
TWD5.30
Each (On a Reel of 2500)
units
Low Voltage Surface Mount SOIC Single 4 14 2.7 → 5 V 1MHz - - 1V/µs - +85 °C -40 °C
RS Stock No. 787-8670
Mfr. Part No.LMV321SQ3T2G
TWD12.60
Each (In a Pack of 20)
units
Low Voltage Surface Mount SC-70 Single 1 5 2.7 → 5 V 1MHz - - 1V/µs - +85 °C -40 °C
RS Stock No. 671-1270
Mfr. Part No.LM358M
TWD15.40
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. 145-4295
Mfr. Part No.LM358M
TWD12.40
Each (In a Tube of 90)
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. 163-0750
Mfr. Part No.NCV33272ADR2G
TWD18.00
Each (On a Reel of 2500)
units
Low Noise Surface Mount SOIC Single 2 8 3 → 36 V 24MHz - - 10V/µs - +125 °C -40 °C