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. 106-7051
Mfr. Part No.AD827JNZ
HK$95.04
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. 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. 761-6217
Mfr. Part No.LME49720NA/NOPB
HK$28.92
Each
units
Audio Through Hole PDIP Dual 2 8 - 55MHz - ±2.5 → ±17V ±20V/µs - +85 °C -40 °C
RS Stock No. 922-2183
Mfr. Part No.LME49720NA/NOPB
HK$21.398
Each (In a Tube of 40)
units
Audio Through Hole PDIP Dual 2 8 - 55MHz - ±2.5 → ±17V ±20V/µs - +85 °C -40 °C
RS Stock No. 179-2040
Mfr. Part No.AD827SQ
HK$755.864
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$315.03
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. 121-8462
Mfr. Part No.OPA627AP
HK$195.256
Each (In a Tube of 50)
units
Precision Through Hole PDIP Dual 1 8 - 16MHz - ±15V 55V/µs - +85 °C -25 °C
RS Stock No. 809-936
Mfr. Part No.OPA627AP
HK$254.09
Each
units
Precision Through Hole PDIP Dual 1 8 - 16MHz - ±15V 55V/µs - +85 °C -25 °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. 866-0234
Mfr. Part No.LM358N/NOPB
HK$4.914
Each (In a Tube of 40)
units
Precision Through Hole PDIP Dual, Single 2 8 3 → 32 V 1MHz - ±1.5 → ±16V - - +70 °C 0 °C
RS Stock No. 124-4527
Mfr. Part No.LM358N/NOPB
HK$7.141
Each (In a Pack of 10)
units
Precision Through Hole PDIP Dual, Single 2 8 3 → 32 V 1MHz - ±1.5 → ±16V 0.1V/µs 20 kHz +70 °C 0 °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. 102-5582
Mfr. Part No.OPA656U
HK$82.941
Each (In a Tube of 75)
units
- Surface Mount SOIC Dual 1 8 - 230MHz - ±5V 290V/µs - +85 °C -40 °C
RS Stock No. 620-0060
Mfr. Part No.OPA656U
HK$94.16
Each
units
- Surface Mount SOIC Dual 1 8 - 230MHz - ±5V 290V/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. 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. 661-0521
Mfr. Part No.LM324D
HK$2.989
Each (In a Pack of 10)
units
Precision Surface Mount SOIC Dual, Single 4 14 5 → 28 V 1.2MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS Stock No. 305-311
Mfr. Part No.UA741CP
HK$4.47
Each (In a Pack of 5)
units
- Through Hole PDIP Dual 1 8 - 1MHz - ±12 V, ±15 V, ±5 V, ±9 V 0.5V/µs - +70 °C 0 °C
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