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. 157-8508
Mfr. Part No.AD8001ARZ
TWD225.90
Each (In a Tube of 98)
units
Current Feedback Surface Mount SOIC Dual, Single 1 8 9 V - - ±5V 1200V/µs - +85 °C -40 °C
RS Stock No. 106-7059
Mfr. Part No.AD797ANZ
TWD381.20
Each (In a Tube of 50)
units
- Through Hole PDIP Dual 1 8 - 450MHz - ±12 V, ±15 V, ±9 V 20V/µs - +85 °C -40 °C
RS Stock No. 779-9211
Mfr. Part No.LT1359CS#PBF
TWD616.00
Each
units
General Purpose Surface Mount SOIC Dual 4 16 - 25MHz - ±2.5 → ±15V 600V/µs - +85 °C -40 °C
RS Stock No. 522-8427
Mfr. Part No.AD797ANZ
TWD465.00
Each
units
- Through Hole PDIP Dual 1 8 - 450MHz - ±12 V, ±15 V, ±9 V 20V/µs - +85 °C -40 °C
RS Stock No. 661-0101
Mfr. Part No.TL084IDR
TWD19.00
Each (In a Pack of 5)
units
- Surface Mount SOIC Dual 4 14 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +85 °C -40 °C
RS Stock No. 178-8855
Mfr. Part No.LM7121IM/NOPB
TWD120.40
Each (In a Tube of 95)
units
- Surface Mount SOIC Dual, Single 1 8 5 → 28 V 80MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 145V/µs - +85 °C -40 °C
RS Stock No. 155-6681
Mfr. Part No.LT1359CS#PBF
TWD346.50
Each (In a Tube of 50)
units
General Purpose Surface Mount SOIC Dual 4 16 - 25MHz - ±2.5 → ±15V 600V/µs - +85 °C -40 °C
RS Stock No. 169-5561
Mfr. Part No.TL084IDR
TWD6.00
Each (On a Reel of 2500)
units
- Surface Mount SOIC Dual 4 14 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +85 °C -40 °C
RS Stock No. 517-1753
Mfr. Part No.TL084ID
TWD16.90
Each (In a Pack of 10)
units
- Surface Mount SOIC Dual 4 14 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +85 °C -40 °C
RS Stock No. 920-3450
Mfr. Part No.TL084ID
TWD16.90
Each (In a Tube of 50)
units
- Surface Mount SOIC Dual 4 14 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +85 °C -40 °C
RS Stock No. 523-0262
Mfr. Part No.AD8001ARZ
TWD284.00
Each
units
Current Feedback Surface Mount SOIC Dual, Single 1 8 9 V - - ±5V 1200V/µs - +85 °C -40 °C
RS Stock No. 534-3712
Mfr. Part No.LM7121IM/NOPB
TWD104.00
Each
units
- Surface Mount SOIC Dual, Single 1 8 5 → 28 V 80MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 145V/µs - +85 °C -40 °C
RS Stock No. 461-060
Mfr. Part No.LM1458N/NOPB
TWD28.90
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. 461-8970
Mfr. Part No.OPA4354AID
TWD157.00
Each
units
- Surface Mount SOIC Dual, Single 4 14 3 V, 5 V 100MHz - - 150V/µs - +125 °C -40 °C
RS Stock No. 527-154
Mfr. Part No.LM358DR
TWD8.70
Each (In a Pack of 25)
units
Precision Surface Mount SOIC 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. 661-0723
Mfr. Part No.OPA2277U
TWD332.00
Each
units
Precision Surface Mount SOIC Dual 2 8 - 1MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.8V/µs - +85 °C -40 °C
RS Stock No. 121-8554
Mfr. Part No.OPA4354AID
TWD122.50
Each (In a Tube of 50)
units
- - - - - - - - - - - - - -
RS Stock No. 858-427
Mfr. Part No.LM358D
TWD13.00
Each
units
- Surface Mount SOIC 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. 922-2338
Mfr. Part No.LM741H/NOPB
TWD297.80
Each (On a Reel of 500)
units
- Through Hole TO-99 Dual 1 8 - 1.5MHz - ±22V 0.5V/µs - +125 °C -55 °C
RS Stock No. 100-0734
Mfr. Part No.LM1458N/NOPB
TWD20.40
Each (In a Tube of 40)
units
- Through Hole MDIP Dual 2 8 - 1MHz - ±15V 0.5V/µs - +70 °C 0 °C