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. 178-2372
Mfr. Part No.NJU7043M
HK$5.698
Each (In a Tube of 100)
units
- Surface Mount DMP Single 2 8 3 V, 5 V 800kHz - - 0.7V/µs - +85 °C -40 °C
RS Stock No. 605-0045
Mfr. Part No.NJU7043M
HK$18.626
Each (In a Pack of 5)
units
- Surface Mount DMP Single 2 8 3 V, 5 V 800kHz - - 0.7V/µs - +85 °C -40 °C
RS Stock No. 169-8113
Mfr. Part No.NJM4580D-D
HK$3.138
Each (In a Tube of 50)
units
- Through Hole PDIP Dual 2 8 - 15MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 5V/µs - +85 °C -40 °C
RS Stock No. 535-048
Mfr. Part No.NJM4580D-D
HK$5.219
Each (In a Pack of 20)
units
- Through Hole PDIP Dual 2 8 - 15MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 5V/µs - +85 °C -40 °C
RS Stock No. 313-7818
Mfr. Part No.NJM2114D
HK$10.918
Each (In a Pack of 5)
units
- Through Hole PDIP Dual 2 8 - 13MHz - ±12 V, ±15 V, ±18 V, ±5 V, ±9 V 15V/µs - +75 °C -20 °C
RS Stock No. 178-2357
Mfr. Part No.NJM062M
HK$2.61
Each (In a Tube of 100)
units
- Surface Mount DMP Dual 2 8 - 1MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 3.5V/µs - +85 °C -40 °C
RS Stock No. 178-2353
Mfr. Part No.NJU7032M
HK$5.698
Each (In a Tube of 100)
units
- Surface Mount DMP Single 2 8 5 → 15 V 1.5MHz - - 3.5V/µs - +75 °C -20 °C
RS Stock No. 713-9451
Mfr. Part No.NJM4558V-TE1
HK$5.343
Each (In a Pack of 10)
units
- Surface Mount SSOP Dual 2 8 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 1V/µs - +85 °C -40 °C
RS Stock No. 178-2424
Mfr. Part No.NJM2730F-TE1
HK$3.812
Each (On a Reel of 3000)
units
- Surface Mount SOT-23 Single 1 5 3 V 1MHz - - 0.4V/µs - +85 °C -40 °C
RS Stock No. 178-2289
Mfr. Part No.NJM2121D
HK$4.417
Each (In a Tube of 50)
units
- Through Hole PDIP Dual 2 8 - 14MHz - ±12 V, ±15 V, ±5 V, ±9 V 4V/µs - +75 °C -20 °C
RS Stock No. 719-3281
Mfr. Part No.NJM12904E
HK$3.884
Each (In a Pack of 5)
units
- Surface Mount EMP Single 2 8 3 → 12 V 1.5MHz - - 0.7V/µs - +85 °C -40 °C
RS Stock No. 740-5077
Mfr. Part No.NJM082BV-TE1
HK$4.874
Each (In a Pack of 5)
units
- Surface Mount SSOP Dual 2 8 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +85 °C -40 °C
RS Stock No. 605-0023
Mfr. Part No.NJU7018M
HK$8.392
Each (In a Pack of 5)
units
- Surface Mount DMP Single 2 8 3 V, 5 V 1MHz - - 3.7V/µs - +85 °C -40 °C
RS Stock No. 373-4510
Mfr. Part No.NJU7062D
HK$19.408
Each (In a Pack of 5)
units
- Through Hole PDIP Single 2 8 5 → 15 V 400kHz - - 0.4V/µs - +75 °C -20 °C
RS Stock No. 178-2295
Mfr. Part No.NJM4565D
HK$2.157
Each (In a Tube of 50)
units
- Through Hole PDIP Dual 2 8 - 10MHz - ±12 V, ±15 V, ±5 V, ±9 V 4V/µs - +85 °C -40 °C
RS Stock No. 178-2378
Mfr. Part No.NJM741M
HK$2.18
Each (In a Tube of 100)
units
- Surface Mount DMP Dual 1 8 - - - ±12 V, ±15 V, ±5 V, ±9 V 0.5V/µs - +85 °C -40 °C
RS Stock No. 657-0959
Mfr. Part No.NJM2147D
HK$26.94
Each
units
- Through Hole PDIP Dual 2 8 - - - ±15V 0.5V/µs - +85 °C -40 °C
RS Stock No. 178-2358
Mfr. Part No.NJM4559M
HK$2.535
Each (In a Tube of 100)
units
- Surface Mount DMP Dual 2 8 - 6MHz - ±12 V, ±15 V, ±5 V, ±9 V 2V/µs - +85 °C -40 °C
RS Stock No. 740-5904
Mfr. Part No.NJM2100D
HK$5.882
Each (In a Pack of 5)
units
- Through Hole PDIP Dual, Single 2 8 3 V, 5 V 12MHz - ±3V 4V/µs - +85 °C -40 °C
RS Stock No. 713-8953
Mfr. Part No.NJM2068V-TE1
HK$8.716
Each (In a Pack of 5)
units
- Surface Mount SSOP Dual 2 8 - 27MHz - ±12 V, ±15 V, ±5 V, ±9 V 6V/µs - +75 °C -20 °C