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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Beskrivning Pris 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-artikelnummer 122-3383
Tillv. art.nrTLV271CW5-7
VarumärkeDiodesZetex
1,163 kr
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CMOS Surface Mount SOT-25 Dual, Single 1 5 2.7 → 16 V 1.9MHz - ±5V 2.2V/µs 10 kHz +70 °C 0 °C
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Tillv. art.nrLM358S-13
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- Surface Mount SOP Dual, Single 2 8 3 → 32 V 1MHz - ±1.5 → ±16V - - +70 °C 0 °C
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Tillv. art.nrTLV271CW5-7
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3,191 kr
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CMOS Surface Mount SOT-25 Dual, Single 1 5 2.7 → 16 V 1.9MHz - ±5V 2.2V/µs 10 kHz +70 °C 0 °C
RS-artikelnummer 738-5308
Tillv. art.nrLM358S-13
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2,651 kr
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- Surface Mount SOP Dual, Single 2 8 3 → 32 V 1MHz - ±1.5 → ±16V - - +70 °C 0 °C
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Tillv. art.nrAPX4558IS-13
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Low Noise Surface Mount SOIC Dual 2 8 - 3MHz - ±5 → ±15V 1.7V/µs - 105 °C -40 °C
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Tillv. art.nrLM2902AQT14-13
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Low Power Surface Mount TSSOP Dual, Single 4 14 - 700kHz - - 0.3V/µs 20 kHz +125 °C -40 °C
RS-artikelnummer 133-3370
Tillv. art.nrLM2904AM8-13
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Low Power Surface Mount MSOP Dual, Single 2 8 - 700kHz - - 0.3V/µs 20 kHz +125 °C -40 °C
RS-artikelnummer 122-3257
Tillv. art.nrLMV324BG-13
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1,537 kr
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- Surface Mount SOIC Single 4 14 2.7 → 5.5 V 1MHz - - 1V/µs 50 kHz +125 °C -40 °C
RS-artikelnummer 828-7628
Tillv. art.nrAZV831KTR-G1
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3,061 kr
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- Surface Mount SOT-23 Single 1 5 1.6 → 5.5 V 1MHz - - 0.32V/µs 1 kHz +85 °C -40 °C
RS-artikelnummer 828-7536
Tillv. art.nrAS324MTR-G1
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2,434 kr
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Low Power Surface Mount SOIC Dual, Single 4 14 3 → 36 V - - ±1.5 → ±18V - - +85 °C -40 °C
RS-artikelnummer 738-5317
Tillv. art.nrLMV358SG-13
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- Surface Mount SOP Single 2 8 2.5 → 5.5 V 1MHz - - 1V/µs - +85 °C -40 °C
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Tillv. art.nrLMV321SEG-7
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2,986 kr
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Low Voltage Surface Mount SOT-353 Single 1 5 2.7 → 5.5 V 1MHz - - 1V/µs - +85 °C -40 °C
RS-artikelnummer 921-0792
Tillv. art.nrTLV271IS-13
VarumärkeDiodesZetex
4,002 kr
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CMOS Surface Mount SOIC Single - 8 2.7 → 16 V 1.9MHz - - 2.2V/µs - +125 °C -40 °C
RS-artikelnummer 170-8924
Tillv. art.nrAS358MTR-G1
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0,677 kr
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Low Power Surface Mount SOIC Dual, Single 2 8 3 → 36 V - - ±1.5 → ±18V - - +85 °C -40 °C
RS-artikelnummer 168-9581
Tillv. art.nrLM2904AQS-13
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Low Power Surface Mount SO Dual, Single 2 8 - 700kHz - - 0.3V/µs 20 kHz +125 °C -40 °C
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Tillv. art.nrAPX358SG-13
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Low Voltage Surface Mount SOP Single 2 8 2.5 → 5.5 V 1MHz - - 1V/µs - +85 °C -40 °C
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Tillv. art.nrLM2902AQT14-13
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Low Power Surface Mount TSSOP Dual, Single 4 14 - 700kHz - - 0.3V/µs 20 kHz +125 °C -40 °C
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Tillv. art.nrTLV272IS-13
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CMOS Surface Mount SOIC Dual - 8 - 1.9MHz - ±1.35 → ±8V 2.2V/µs - +125 °C -40 °C
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Low Voltage Surface Mount SOP Single 2 8 2.5 → 5.5 V 1MHz - - 1V/µs - +85 °C -40 °C
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Tillv. art.nrTLV271IW5-7
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CMOS Surface Mount SOT-25 Dual, Single 1 5 2.7 → 16 V 1.9MHz - ±5V 2.2V/µs 10 kHz +125 °C -40 °C