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. 461-8548
Mfr. Part No.OPA2348AID
HK$10.95
Each (In a Pack of 5)
units
Precision Surface Mount SOIC Single 2 8 3 V, 5 V 1MHz - - 0.5V/µs - +125 °C -40 °C
RS Stock No. 121-9334
Mfr. Part No.MC33078DR
HK$2.57
Each (On a Reel of 2500)
units
High Speed Surface Mount SOIC Dual 2 8 - 16MHz - ±5 → ±18V 7V/µs 100 kHz +85 °C -40 °C
RS Stock No. 122-0324
Mfr. Part No.LM358S-13
HK$0.804
Each (On a Reel of 2500)
units
- Surface Mount SOP Dual, Single 2 8 3 → 32 V 1MHz - ±1.5 → ±16V - - +70 °C 0 °C
RS Stock No. 303-444
Mfr. Part No.RC4558P
HK$3.51
Each
units
- Through Hole PDIP Dual 2 8 - 3MHz - ±12 V, ±9 V 1.7V/µs - +70 °C 0 °C
RS Stock No. 400-964
Mfr. Part No.AD8397ARDZ
HK$52.71
Each
units
Low Noise Surface Mount SOIC Dual, Single 2 8 5 → 24 V - - ±12 V, ±3 V, ±5 V, ±9 V 53V/µs - +85 °C -40 °C
RS Stock No. 795-9091
Mfr. Part No.TSV992AIDT
HK$7.87
Each (In a Pack of 5)
units
High Speed, Precision Surface Mount SOIC Single 2 8 2.5 → 5.5 V 20MHz - - 10V/µs - +125 °C -40 °C
RS Stock No. 812-2505
Mfr. Part No.OPA1612AID
HK$60.904
Each (In a Pack of 5)
units
Precision Surface Mount SOIC Dual 2 8 - 80MHz - ±2.25 → ±18V 27V/µs 100 Hz +125 °C -55 °C
RS Stock No. 145-7708
Mfr. Part No.LMC6064IN/NOPB
HK$37.48
Each (In a Tube of 25)
units
Precision Through Hole PDIP Single 4 14 4.5 → 15 V 100kHz - - 15V/ms 1 kHz +85 °C -40 °C
RS Stock No. 102-5588
Mfr. Part No.OPA847ID
HK$47.596
Each (In a Tube of 75)
units
- Surface Mount SOIC Dual 1 8 - 3.9GHz - ±5V 950V/µs - +85 °C -40 °C
RS Stock No. 920-3463
Mfr. Part No.OP07CP
HK$18.83
Each (In a Tube of 50)
units
Precision Through Hole PDIP Dual 1 8 - 600kHz - ±12 V, ±15 V, ±5 V, ±9 V 0.3V/µs - +70 °C 0 °C
RS Stock No. 761-6012
Mfr. Part No.LM6132BIN/NOPB
HK$34.14
Each
units
Precision Through Hole MDIP Single 2 8 1.8 → 24 V 11MHz - - 14V/µs - +85 °C -40 °C
RS Stock No. 121-9110
Mfr. Part No.MC33078D
HK$4.841
Each (In a Tube of 75)
units
- Surface Mount SOIC Dual, Single 2 8 12 → 28 V 16MHz - ±12 V, ±15 V, ±9 V 7V/µs - +85 °C -40 °C
RS Stock No. 661-0640
Mfr. Part No.MC33078D
HK$7.136
Each (In a Pack of 10)
units
- Surface Mount SOIC Dual, Single 2 8 12 → 28 V 16MHz - ±12 V, ±15 V, ±9 V 7V/µs - +85 °C -40 °C
RS Stock No. 163-0192
Mfr. Part No.NCS5652MUTWG
HK$7.437
Each (On a Reel of 3000)
units
- Surface Mount UDFN Single 2 12 - 350kHz - ±16V 1.5V/µs - +125 °C -40 °C
RS Stock No. 412-618
Mfr. Part No.AD8608ARZ
HK$39.28
Each
units
- Surface Mount SOIC Single 4 14 3 V, 5 V 10MHz - - 5V/µs - +125 °C -40 °C
RS Stock No. 921-2833
Mfr. Part No.OPA1612AID
HK$50.944
Each (In a Tube of 75)
units
Precision Surface Mount SOIC Dual 2 8 - 80MHz - ±2.25 → ±18V 27V/µs 100 Hz +125 °C -55 °C
RS Stock No. 620-0111
Mfr. Part No.OPA847ID
HK$55.97
Each
units
- Surface Mount SOIC Dual 1 8 - 3.9GHz - ±5V 950V/µs - +85 °C -40 °C
RS Stock No. 168-7739
Mfr. Part No.TSV992AIDT
HK$3.265
Each (On a Reel of 2500)
units
High Speed, Precision Surface Mount SOIC Single 2 8 2.5 → 5.5 V 20MHz - - 10V/µs - +125 °C -40 °C
RS Stock No. 825-3603
Mfr. Part No.TLE2022AIP
HK$41.71
Each (In a Pack of 5)
units
Precision Through Hole PDIP Dual 2 8 - 2.8MHz - ±2 → ±20V 0.65V/µs 1 kHz +85 °C -40 °C
RS Stock No. 121-9299
Mfr. Part No.LM7321MA/NOPB
HK$17.20
Each (In a Tube of 95)
units
Precision Surface Mount SOIC Single 1 8 2.5 → 32 V 20MHz - - 18V/µs - +125 °C -40 °C
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