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. 698-9041
Mfr. Part No.MCP6001T-I/OT
BrandMicrochip
MYR1.45
Each
units
General Purpose Surface Mount SOT-23 Single 1 5 3 V, 5 V 1MHz - - 0.6V/µs - +85 °C -40 °C
RS Stock No. 876-7357
Mfr. Part No.MCP6021-I/P
BrandMicrochip
MYR3.886
Each (In a Tube of 60)
units
Precision Through Hole PDIP Single 1 8 - 10MHz - - 7V/µs 10 kHz +85 °C -40 °C
RS Stock No. 121-8331
Mfr. Part No.LF444CN/NOPB
MYR6.569
Each (In a Tube of 25)
units
- Through Hole MDIP Dual 4 14 - 1MHz - ±12 V, ±15 V, ±5 V, ±9 V 1V/µs - +70 °C 0 °C
RS Stock No. 178-5175
Mfr. Part No.MC4558CDT
MYR0.468
Each (On a Reel of 2500)
units
High Speed Surface Mount SOIC Dual 2 8 - 5.5MHz - ±12 V, ±15 V, ±18 V, ±3 V, ±5 V, ±9 V 2.2V/µs - +70 °C 0 °C
RS Stock No. 100-0734
Mfr. Part No.LM1458N/NOPB
MYR3.593
Each (In a Tube of 40)
units
- Through Hole MDIP Dual 2 8 - 1MHz - ±15V 0.5V/µs - +70 °C 0 °C
RS Stock No. 461-060
Mfr. Part No.LM1458N/NOPB
MYR3.78
Each (In a Pack of 10)
units
- Through Hole MDIP Dual 2 8 - 1MHz - ±15V 0.5V/µs - +70 °C 0 °C
RS Stock No. 709-5529
Mfr. Part No.OP97EPZ
MYR46.83
Each
units
- Through Hole PDIP Dual 1 8 - - - ±15V 0.2V/µs - +85 °C -40 °C
RS Stock No. 162-5387
Mfr. Part No.LM358DGKR
MYR0.436
Each (On a Reel of 2500)
units
Precision Surface Mount MSOP Dual, Single 2 8 5 → 28 V 700kHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.3V/µs - +70 °C 0 °C
RS Stock No. 121-8282
Mfr. Part No.TL071CP
MYR1.744
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. 121-8330
Mfr. Part No.LM318N/NOPB
MYR3.822
Each (In a Tube of 40)
units
- Through Hole MDIP Dual 1 8 - - - ±12 V, ±15 V, ±18 V, ±9 V 70V/µs - +70 °C 0 °C
RS Stock No. 162-6587
Mfr. Part No.LMV341IDBVR
MYR1.485
Each (On a Reel of 3000)
units
Low Noise Surface Mount SOT-23 Single 1 6 2.7 → 5 V 1MHz - - 1V/µs 1 kHz +125 °C -40 °C
RS Stock No. 179-2094
Mfr. Part No.TLE2141IP
MYR11.59
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 - +105 °C -40 °C
RS Stock No. 923-2293
Mfr. Part No.OPA602AU
MYR45.742
Each (In a Tube of 75)
units
Precision Surface Mount SOIC Dual 1 8 - 6.5MHz - ±12 V, ±15 V, ±9 V 35V/µs - +85 °C -25 °C
RS Stock No. 146-2408
Mfr. Part No.HFA1130IBZ
MYR36.78
Each (In a Tube of 98)
units
Current Feedback Surface Mount SOIC Dual 1 8 - - - ±5V 2300V/µs - +85 °C -40 °C
RS Stock No. 371-1056
Mfr. Part No.TL081CP
MYR1.496
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. 121-8281
Mfr. Part No.TL072CP
MYR2.524
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. 497-0919
Mfr. Part No.AD8092ARMZ
MYR11.074
Each (In a Pack of 5)
units
- Surface Mount MSOP Dual, Single 2 8 5 V, 9 V - - ±3 V, ±5 V 145V/µs - +85 °C -40 °C
RS Stock No. 536-1489
Mfr. Part No.LMC7101BIM5/NOPB
MYR4.17
Each
units
Precision Surface Mount SOT-23 Single 1 5 5 → 12 V 1MHz - - 1V/µs - +85 °C -40 °C
RS Stock No. 144-5806
Mfr. Part No.MCP6004-E/P
BrandMicrochip
MYR1.709
Each (In a Tube of 30)
units
General Purpose Through Hole PDIP Single 4 14 1.8 → 6 V 1MHz - - 0.6V/µs - +125 °C -40 °C
RS Stock No. 877-8843
Mfr. Part No.AD842JRZ-16
MYR71.76
Each
units
Low Noise Surface Mount SOIC Dual 1 16 - 80MHz - ±15V 375V/µs 1 kHz +70 °C 0 °C