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. 535-9969
Mfr. Part No.LM741CN/NOPB
$0.924
Each (In a Pack of 5)
units
- Through Hole MDIP Dual 1 8 - 1MHz - ±12 V, ±15 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS Stock No. 102-5716
Mfr. Part No.LM741CN/NOPB
$0.50
Each (In a Tube of 40)
units
- Through Hole MDIP Dual 1 8 - 1MHz - ±12 V, ±15 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS Stock No. 921-2833
Mfr. Part No.OPA1612AID
$7.824
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. 812-2505
Mfr. Part No.OPA1612AID
$4.00
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. 426-994
Mfr. Part No.AD744JRZ
$8.19
Each
units
- Surface Mount SOIC Dual 1 8 - 13MHz - ±15V 75V/µs - +70 °C 0 °C
RS Stock No. 161-0161
Mfr. Part No.AD744JRZ
$7.226
Each (In a Tube of 98)
units
- Surface Mount SOIC Dual 1 8 - 13MHz - ±15V 75V/µs - +70 °C 0 °C
RS Stock No. 121-8281
Mfr. Part No.TL072CP
$0.92
Each (In a Tube of 50)
units
- Through Hole PDIP Dual 2 8 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +70 °C 0 °C
RS Stock No. 304-239
Mfr. Part No.TL072CP
$1.14
Each
units
- Through Hole PDIP Dual 2 8 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +70 °C 0 °C
RS Stock No. 313-7795
Mfr. Part No.NJM5532DD
$1.13
Each (In a Pack of 5)
units
- Through Hole PDIP Dual 2 8 - 10MHz - ±22V 8V/µs - +75 °C -20 °C
RS Stock No. 169-8130
Mfr. Part No.NJM5532DD
$1.08
Each (In a Tube of 50)
units
- Through Hole PDIP Dual 2 8 - 10MHz - ±22V 8V/µs - +75 °C -20 °C
RS Stock No. 121-9354
Mfr. Part No.OPA1611AID
$4.41
Each (In a Tube of 75)
units
Precision Surface Mount SOIC Dual 1 8 - 80MHz - ±2.25 → ±18V 27V/µs 100 Hz +125 °C -55 °C
RS Stock No. 812-2502
Mfr. Part No.OPA1611AID
$6.251
Each (In a Pack of 10)
units
Precision Surface Mount SOIC Dual 1 8 - 80MHz - ±2.25 → ±18V 27V/µs 100 Hz +125 °C -55 °C
RS Stock No. 106-7059
Mfr. Part No.AD797ANZ
$12.374
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
$16.61
Each
units
- Through Hole PDIP Dual 1 8 - 450MHz - ±12 V, ±15 V, ±9 V 20V/µs - +85 °C -40 °C
RS Stock No. 641-5622
Mfr. Part No.NJM4558L
$0.436
Each (In a Pack of 5)
units
- Through Hole SIP Dual 2 8 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 1V/µs - +85 °C -40 °C
RS Stock No. 412-321
Mfr. Part No.AD8656ARZ
$5.07
Each (In a Pack of 5)
units
- Surface Mount SOIC Single 2 8 3 V, 5 V 28MHz - - 11V/µs - +125 °C -40 °C
RS Stock No. 921-6960
Mfr. Part No.LM4562NA/NOPB
$1.976
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. 912-7110
Mfr. Part No.AD8656ARZ
$3.383
Each (In a Tube of 98)
units
- Surface Mount SOIC Single 2 8 3 V, 5 V 28MHz - - 11V/µs - +125 °C -40 °C
RS Stock No. 761-5952
Mfr. Part No.LM4562NA/NOPB
$2.34
Each
units
Audio Through Hole PDIP Dual 2 8 - 55MHz - ±2.5 → ±17V ±20V/µs - +85 °C -40 °C
RS Stock No. 810-330
Mfr. Part No.NE5534AP
$1.55
Each
units
- Through Hole PDIP Dual 1 8 - 10MHz - ±12 V, ±9 V 13V/µs - +70 °C 0 °C
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