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. 828-7542
Mfr. Part No.AS358AMTR-G1
SGD0.459
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. 738-5301
Mfr. Part No.LMV321SEG-7
SGD0.569
Each (In a Pack of 25)
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. 170-8922
Mfr. Part No.AS324MTR-G1
SGD0.152
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. 828-7536
Mfr. Part No.AS324MTR-G1
SGD0.433
Each (In a Pack of 50)
units
Low Power Surface Mount SOIC Dual, Single 4 14 3 → 36 V - - ±1.5 → ±18V - - +85 °C -40 °C
RS Stock No. 122-0322
Mfr. Part No.LMV321SEG-7
SGD0.187
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. 170-8923
Mfr. Part No.AS358AMTR-G1
SGD0.13
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. 122-0324
Mfr. Part No.LM358S-13
SGD0.145
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. 738-5308
Mfr. Part No.LM358S-13
SGD0.47
Each (In a Pack of 50)
units
- Surface Mount SOP Dual, Single 2 8 3 → 32 V 1MHz - ±1.5 → ±16V - - +70 °C 0 °C
RS Stock No. 738-5257
Mfr. Part No.APX4558S-13
SGD0.383
Each (In a Pack of 50)
units
Low Noise Surface Mount SOIC Dual 2 8 - 3MHz - ±5 → ±15V 1.7V/µs - +70 °C 0 °C
RS Stock No. 122-0317
Mfr. Part No.APX4558S-13
SGD0.117
Each (On a Reel of 2500)
units
Low Noise Surface Mount SOIC Dual 2 8 - 3MHz - ±5 → ±15V 1.7V/µs - +70 °C 0 °C
RS Stock No. 712-2823
Mfr. Part No.APX358SG-13
SGD0.888
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. 122-3383
Mfr. Part No.TLV271CW5-7
SGD0.177
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. 921-0805
Mfr. Part No.TLV272IM8-13
SGD0.785
Each (In a Pack of 20)
units
CMOS Surface Mount MSOP Dual - 8 - 1.9MHz - ±1.35 → ±8V 2.2V/µs - +125 °C -40 °C
RS Stock No. 122-0671
Mfr. Part No.APX358SG-13
SGD0.398
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. 168-9581
Mfr. Part No.LM2904AQS-13
SGD0.151
Each (On a Reel of 2500)
units
Low Power Surface Mount SO Dual, Single 2 8 - 700kHz - - 0.3V/µs 20 kHz +125 °C -40 °C
RS Stock No. 921-0792
Mfr. Part No.TLV271IS-13
SGD0.719
Each (In a Pack of 20)
units
CMOS Surface Mount SOIC Single - 8 2.7 → 16 V 1.9MHz - - 2.2V/µs - +125 °C -40 °C
RS Stock No. 828-7640
Mfr. Part No.TLV271CW5-7
SGD0.522
Each (In a Pack of 50)
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. 165-8393
Mfr. Part No.TLV271IS-13
SGD0.277
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. 921-0809
Mfr. Part No.TLV272IS-13
SGD0.719
Each (In a Pack of 20)
units
CMOS Surface Mount SOIC Dual - 8 - 1.9MHz - ±1.35 → ±8V 2.2V/µs - +125 °C -40 °C
RS Stock No. 165-8394
Mfr. Part No.TLV272IM8-13
SGD0.336
Each (On a Reel of 2500)
units
CMOS Surface Mount MSOP Dual - 8 - 1.9MHz - ±1.35 → ±8V 2.2V/µs - +125 °C -40 °C