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. 102-5716
Mfr. Part No.LM741CN/NOPB
MYR2.669
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. 517-1719
Mfr. Part No.TL081IP
MYR1.862
Each (In a Pack of 10)
units
- Through Hole PDIP Dual 1 8 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +85 °C -40 °C
RS Stock No. 923-3653
Mfr. Part No.OPA2227PA
MYR19.011
Each (In a Tube of 50)
units
Low Noise, Precision Through Hole PDIP Dual 2 8 - 8MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 2.3V/µs - +85 °C -40 °C
RS Stock No. 660-6578
Mfr. Part No.OPA2227PA
MYR20.64
Each
units
Low Noise, Precision Through Hole PDIP Dual 2 8 - 8MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 2.3V/µs - +85 °C -40 °C
RS Stock No. 145-1002
Mfr. Part No.TLE2141CP
MYR6.67
Each (In a Tube of 50)
units
Low Noise, Precision Through Hole PDIP Dual, Single 1 8 5 → 28 V 5.8MHz - ±12 V, ±15 V, ±18 V, ±3 V, ±5 V, ±9 V 45V/µs - +70 °C 0 °C
RS Stock No. 178-5179
Mfr. Part No.TL074CDT
MYR0.556
Each (On a Reel of 2500)
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. 182-2441
Mfr. Part No.TL074ACN
MYR3.84
Each
units
- Through Hole PDIP Dual 4 14 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +70 °C 0 °C
RS Stock No. 714-7487
Mfr. Part No.TL074CDT
MYR1.43
Each (In a Pack of 20)
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. 732-0720
Mfr. Part No.MC1558JG
MYR54.45
Each
units
- Through Hole CDIP Dual 2 8 - 1MHz - ±5 → ±15V 0.5V/µs - +125 °C -55 °C
RS Stock No. 307-1673
Mfr. Part No.OPA2277PA
MYR21.23
Each
units
Precision Through Hole PDIP Dual 2 8 - 1MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.8V/µs - +85 °C -40 °C
RS Stock No. 126-8730
Mfr. Part No.TLC27M2ACP
MYR5.11
Each
units
- Through Hole PDIP Single 2 8 5 → 15 V 520kHz - - 0.43V/µs - +70 °C 0 °C
RS Stock No. 178-5475
Mfr. Part No.MC1558JG
MYR62.52
Each (In a Tube of 10)
units
- - - - - - - - - - - - - -
RS Stock No. 121-8489
Mfr. Part No.TL074ACN
MYR2.99
Each (In a Tube of 25)
units
- - - - - - - - - - - - - -
RS Stock No. 168-6823
Mfr. Part No.TL074CD
MYR0.678
Each (In a Tube of 50)
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. 296-661
Mfr. Part No.TLE2141CP
MYR7.00
Each
units
Low Noise, Precision Through Hole PDIP Dual, Single 1 8 5 → 28 V 5.8MHz - ±12 V, ±15 V, ±18 V, ±3 V, ±5 V, ±9 V 45V/µs - +70 °C 0 °C
RS Stock No. 145-0101
Mfr. Part No.TLC27M2ACP
MYR4.34
Each (In a Tube of 50)
units
- Through Hole PDIP Single 2 8 5 → 15 V 520kHz - - 0.43V/µs - +70 °C 0 °C
RS Stock No. 545-4783
Mfr. Part No.LT1229CN8#PBF
MYR38.11
Each
units
Current Feedback Through Hole PDIP Dual 2 8 - - - ±12 V, ±3 V, ±5 V, ±9 V 2500V/µs - +70 °C 0 °C
RS Stock No. 714-1091
Mfr. Part No.TL074CD
MYR7.78
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. 522-9363
Mfr. Part No.AD708JNZ
MYR44.66
Each
units
- Through Hole PDIP Dual 2 8 - 900kHz - ±12 V, ±15 V, ±5 V, ±9 V 0.3V/µs - +70 °C 0 °C
RS Stock No. 100-3805
Mfr. Part No.OPA2277PA
MYR17.443
Each (In a Tube of 50)
units
Precision Through Hole PDIP Dual 2 8 - 1MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.8V/µs - +85 °C -40 °C