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. 304-245
Mfr. Part No.TL071CP
MYR2.59
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. 714-7440
Mfr. Part No.MC4558CDT
MYR1.28
Each (In a Pack of 20)
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. 461-064
Mfr. Part No.LF444CN/NOPB
MYR7.142
Each (In a Pack of 5)
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. 921-5425
Mfr. Part No.CA3140EZ
MYR9.508
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. 522-8427
Mfr. Part No.AD797ANZ
MYR52.73
Each
units
- Through Hole PDIP Dual 1 8 - 450MHz - ±12 V, ±15 V, ±9 V 20V/µs - +85 °C -40 °C
RS Stock No. 162-4254
Mfr. Part No.OPA364IDBVT
MYR6.80
Each (On a Reel of 250)
units
Precision Surface Mount SOT-23 Dual, Single 1 5 3 V, 5 V 7MHz - - 5V/µs - +125 °C -40 °C
RS Stock No. 166-1643
Mfr. Part No.LMV321AS5X
MYR0.603
Each (On a Reel of 3000)
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. 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. 121-8330
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. 389-261
Mfr. Part No.OPA364IDBVT
MYR11.414
Each (In a Pack of 5)
units
Precision Surface Mount SOT-23 Dual, Single 1 5 3 V, 5 V 7MHz - - 5V/µs - +125 °C -40 °C
RS Stock No. 412-434
Mfr. Part No.AD8022ARZ
MYR24.12
Each
units
Low Noise Surface Mount SOIC Dual, Single 2 8 10 → 24 V - - ±12 V, ±5 V, ±9 V 50V/µs - +85 °C -40 °C
RS Stock No. 889-5689
Mfr. Part No.MCP6001T-I/OT
BrandMicrochip
MYR0.86
Each (On a Reel of 3000)
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. 461-042
Mfr. Part No.LM318N/NOPB
MYR3.90
Each (In a Pack of 10)
units
- Through Hole MDIP Dual 1 8 - - - ±12 V, ±15 V, ±18 V, ±9 V 70V/µs - +70 °C 0 °C
RS Stock No. 403-070
Mfr. Part No.MCP6021-I/P
BrandMicrochip
MYR4.29
Each (In a Pack of 5)
units
Precision Through Hole PDIP Single 1 8 3 V, 5 V 10MHz - - 7V/µs - +85 °C -40 °C
RS Stock No. 102-5685
Mfr. Part No.LM13700M/NOPB
MYR4.335
Each (In a Tube of 48)
units
Transconductance Surface Mount SOIC Dual, Single 2 16 3 → 28 V 2MHz - ±12 V, ±15 V, ±9 V 50V/µs - +70 °C 0 °C
RS Stock No. 145-3091
Mfr. Part No.MC33174DG
MYR5.106
Each (In a Tube of 55)
units
General Purpose Surface Mount SOIC Dual, Single 4 14 5 → 28 V 1.8MHz - ±12 V, ±15 V, ±18 V, ±3 V, ±5 V, ±9 V 2.1V/µs - +85 °C -40 °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. 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. 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. 759-9403
Mfr. Part No.LMV321AS5X
MYR1.138
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