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. 522-8174
Mfr. Part No.AD827JNZ
HK$114.05
Each
units
General Purpose Through Hole PDIP Dual 2 8 - 35MHz - ±12 V, ±15 V, ±5 V, ±9 V 200V/µs - +70 °C 0 °C
RS Stock No. 106-7051
Mfr. Part No.AD827JNZ
HK$136.44
Each (In a Tube of 50)
units
General Purpose Through Hole PDIP Dual 2 8 - 35MHz - ±12 V, ±15 V, ±5 V, ±9 V 200V/µs - +70 °C 0 °C
RS Stock No. 179-2040
Mfr. Part No.AD827SQ
HK$680.277
Each (In a Tube of 48)
units
General Purpose Through Hole PDIP Dual 2 8 - 50MHz - ±5 to ±15V 300V/µs - +125 °C -55 °C
RS Stock No. 759-1301
Mfr. Part No.AD827SQ
HK$444.90
Each
units
General Purpose Through Hole PDIP Dual 2 8 - 50MHz - ±5 → ±15V 300V/µs - +125 °C -55 °C
RS Stock No. 523-7623
Mfr. Part No.AD797BRZ
HK$100.26
Each
units
- Surface Mount SOIC Dual 1 8 - 110MHz - ±12 V, ±15 V, ±9 V 20V/µs - +85 °C -40 °C
RS Stock No. 111-1177
Mfr. Part No.AD797BRZ
HK$81.54
Each (In a Tube of 98)
units
- Surface Mount SOIC Dual 1 8 - 110MHz - ±12 V, ±15 V, ±9 V 20V/µs - +85 °C -40 °C
RS Stock No. 759-0052
Mfr. Part No.AD827AQ
HK$140.04
Each
units
General Purpose Through Hole PDIP Dual 2 8 - 50MHz - ±5 → ±15V 300V/µs - +85 °C -40 °C
RS Stock No. 159-8120
Mfr. Part No.AD827AQ
HK$120.929
Each (In a Tube of 48)
units
General Purpose Through Hole PDIP Dual 2 8 - 50MHz - ±5 → ±15V 300V/µs - +85 °C -40 °C
RS Stock No. 545-6515
Mfr. Part No.LT1366CS8#PBF
HK$60.47
Each
units
Low Power, Precision Surface Mount SOIC Dual, Single 2 8 3 → 28 V 400kHz - ±12 V, ±3 V, ±5 V, ±9 V 0.13V/µs - +85 °C -40 °C
RS Stock No. 917-3703
Mfr. Part No.LT1366CS8#PBF
HK$54.539
Each (In a Tube of 100)
units
Low Power, Precision Surface Mount SOIC Dual, Single 2 8 3 → 28 V 400kHz - ±12 V, ±3 V, ±5 V, ±9 V 0.13V/µs - +85 °C -40 °C
RS Stock No. 106-7059
Mfr. Part No.AD797ANZ
HK$69.943
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. 522-8427
Mfr. Part No.AD797ANZ
HK$86.53
Each
units
- Through Hole PDIP Dual 1 8 - 450MHz - ±12 V, ±15 V, ±9 V 20V/µs - +85 °C -40 °C
RS Stock No. 153-3513
Mfr. Part No.LT1210CT7#PBF
HK$93.956
Each (In a Tube of 50)
units
Current Feedback Through Hole TO-220 Dual 1 7 - 55MHz - ±12 V, ±9 V 900V/µs - +70 °C 0 °C
RS Stock No. 545-6919
Mfr. Part No.LT1210CT7#PBF
HK$123.76
Each
units
Current Feedback Through Hole TO-220 Dual 1 7 - 55MHz - ±12 V, ±9 V 900V/µs - +70 °C 0 °C
RS Stock No. 913-0731
Mfr. Part No.OP284EPZ
HK$82.969
Each (In a Tube of 50)
units
- Through Hole PDIP Dual, Single 2 8 5 → 28 V 3.25MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 2.4V/µs - +125 °C -40 °C
RS Stock No. 709-5550
Mfr. Part No.OP284EPZ
HK$96.38
Each
units
- Through Hole PDIP Dual, Single 2 8 5 → 28 V 3.25MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 2.4V/µs - +125 °C -40 °C
RS Stock No. 759-0636
Mfr. Part No.OP77FZ
HK$64.29
Each
units
Low Voltage Through Hole CDIP Dual 1 8 - 600kHz - ±22V 0.3V/µs - +85 °C -25 °C
RS Stock No. 545-5821
Mfr. Part No.LT1057CN8#PBF
HK$43.45
Each
units
- Through Hole PDIP Dual 2 8 - 5MHz - ±12 V, ±15 V, ±18 V, ±5 V, ±9 V 13V/µs - +70 °C 0 °C
RS Stock No. 161-0153
Mfr. Part No.OP162GSZ
HK$23.197
Each (In a Tube of 98)
units
- Surface Mount SOIC Dual, Single 1 8 3 → 9 V 15MHz - ±3 V, ±5 V 10V/µs - +125 °C -40 °C
RS Stock No. 917-3627
Mfr. Part No.LTC2054CS5#TRMPBF
HK$13.962
Each (On a Reel of 500)
units
- Surface Mount TSOT-23 Single 1 5 3 V, 5 V 500kHz - - 0.5V/µs - +70 °C 0 °C