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.

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.

Op Amp Applications

  • 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. 170-8924
Mfr. Part No.AS358MTR-G1
€0.07
Each (On a Reel of 4000)
units
Low Power Surface Mount SOIC Dual, Single 2 8 3 → 36 V - - ±1.5 → ±18V - - +85 °C -40 °C
RS Stock No. 828-7549
Mfr. Part No.AS358MTR-G1
€0.278
Each (In a Pack of 50)
units
Low Power Surface Mount SOIC Dual, Single 2 8 3 → 36 V - - ±1.5 → ±18V - - +85 °C -40 °C
RS Stock No. 170-8923
Mfr. Part No.AS358AMTR-G1
€0.091
Each (On a Reel of 4000)
units
Low Power Surface Mount SOIC Dual, Single 2 8 3 → 36 V - - ±1.5 → ±18V - - +85 °C -40 °C
RS Stock No. 122-3373
Mfr. Part No.AS321KTR-G1
€0.093
Each (On a Reel of 3000)
units
Low Power Surface Mount SOT-23 Dual, Single 1 5 3 → 36 V - - ±1.5 → ±18V - - +85 °C -40 °C
RS Stock No. 828-7527
Mfr. Part No.AS321KTR-G1
€0.306
Each (In a Pack of 50)
units
Low Power Surface Mount SOT-23 Dual, Single 1 5 3 → 36 V - - ±1.5 → ±18V - - +85 °C -40 °C
RS Stock No. 828-7542
Mfr. Part No.AS358AMTR-G1
€0.295
Each (In a Pack of 50)
units
Low Power Surface Mount SOIC Dual, Single 2 8 3 → 36 V - - ±1.5 → ±18V - - +85 °C -40 °C
RS Stock No. 122-0322
Mfr. Part No.LMV321SEG-7
€0.119
Each (On a Reel of 3000)
units
Low Voltage Surface Mount SOT-353 Single 1 5 2.7 → 5.5 V 1MHz - - 1V/µs - +85 °C -40 °C
RS Stock No. 122-0327
Mfr. Part No.LMV358SG-13
€0.129
Each (On a Reel of 2500)
units
- Surface Mount SOP Single 2 8 2.5 → 5.5 V 1MHz - - 1V/µs - +85 °C -40 °C
RS Stock No. 122-3383
Mfr. Part No.TLV271CW5-7
€0.118
Each (On a Reel of 3000)
units
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 Stock No. 122-0671
Mfr. Part No.APX358SG-13
€0.298
Each (On a Reel of 2500)
units
Low Voltage Surface Mount SOP Single 2 8 2.5 → 5.5 V 1MHz - - 1V/µs - +85 °C -40 °C
RS Stock No. 828-7637
Mfr. Part No.AZV832MMTR-G1
€0.512
Each (In a Pack of 20)
units
- Surface Mount MSOP Dual, Single 2 8 1.6 → 5.5 V 1MHz - ±0.8 → ±2.5V 0.32V/µs 1 kHz +85 °C -40 °C
RS Stock No. 122-0323
Mfr. Part No.LMV321WG-7
€0.119
Each (On a Reel of 3000)
units
Low Voltage Surface Mount SOT-25 Single 1 5 2.7 → 5.5 V 1MHz - - 1V/µs - +85 °C -40 °C
RS Stock No. 165-8393
Mfr. Part No.TLV271IS-13
€0.168
Each (On a Reel of 2500)
units
CMOS Surface Mount SOIC Single - 8 2.7 → 16 V 1.9MHz - - 2.2V/µs - +125 °C -40 °C
RS Stock No. 712-2823
Mfr. Part No.APX358SG-13
€0.599
Each (In a Pack of 10)
units
Low Voltage Surface Mount SOP Single 2 8 2.5 → 5.5 V 1MHz - - 1V/µs - +85 °C -40 °C
RS Stock No. 738-5320
Mfr. Part No.TL072SG-13
€0.322
Each (In a Pack of 25)
units
JFET Surface Mount SOP Dual 2 8 - 3MHz - - 13V/µs - +85 °C -40 °C
RS Stock No. 168-9576
Mfr. Part No.LM2904AQM8-13
€0.109
Each (On a Reel of 2500)
units
Low Power Surface Mount MSOP Dual, Single 2 8 - 700kHz - - 0.3V/µs 20 kHz +125 °C -40 °C
RS Stock No. 122-0326
Mfr. Part No.LMV324TSG-13
€0.174
Each (On a Reel of 2500)
units
Low Noise Surface Mount TSSOP Single 4 14 2.7 → 5.5 V 1MHz - - 1V/µs - +85 °C -40 °C
RS Stock No. 170-8922
Mfr. Part No.AS324MTR-G1
€0.074
Each (On a Reel of 4000)
units
Low Power Surface Mount SOIC Dual, Single 4 14 3 → 36 V - - ±1.5 → ±18V - - +85 °C -40 °C
RS Stock No. 133-3368
Mfr. Part No.LM2904AQM8-13
€0.321
Each (In a Pack of 50)
units
Low Power Surface Mount MSOP Dual, Single 2 8 - 700kHz - - 0.3V/µs 20 kHz +125 °C -40 °C
RS Stock No. 823-3006
Mfr. Part No.LMV324BG-13
€0.385
Each (In a Pack of 25)
units
- Surface Mount SOIC Single 4 14 2.7 → 5.5 V 1MHz - - 1V/µs 50 kHz +125 °C -40 °C