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. 122-0324
Mfr. Part No.LM358S-13
R 1.53
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
R 1.672
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. 170-8924
Mfr. Part No.AS358MTR-G1
R 1.26
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
R 1.397
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. 823-3006
Mfr. Part No.LMV324BG-13
R 2.209
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
RS stock no. 122-3257
Mfr. Part No.LMV324BG-13
R 2.159
Each (On a Reel of 2500)
units
- Surface Mount SOIC Single 4 14 2.7 → 5.5 V 1MHz - - 1V/µs 50 kHz +125 °C -40 °C
RS stock no. 738-5257
Mfr. Part No.APX4558S-13
R 1.586
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. 133-3368
Mfr. Part No.LM2904AQM8-13
R 1.144
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. 122-0326
Mfr. Part No.LMV324TSG-13
R 2.819
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. 168-9576
Mfr. Part No.LM2904AQM8-13
R 1.179
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. 738-5314
Mfr. Part No.LMV324TSG-13
R 6.968
Each (In a Pack of 25)
units
Low Noise Surface Mount TSSOP Single 4 14 2.7 → 5.5 V 1MHz - - 1V/µs - +85 °C -40 °C
RS stock no. 122-0317
Mfr. Part No.APX4558S-13
R 1.324
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. 168-9583
Mfr. Part No.LM2904M8-13
R 1.603
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. 133-3375
Mfr. Part No.LM2904M8-13
R 4.547
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. 738-5301
Mfr. Part No.LMV321SEG-7
R 5.691
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. 122-3382
Mfr. Part No.TLV271IW5-7
R 2.27
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 +125 °C -40 °C
RS stock no. 828-7527
Mfr. Part No.AS321KTR-G1
R 4.975
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. 122-3373
Mfr. Part No.AS321KTR-G1
R 1.492
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. 828-7634
Mfr. Part No.TLV271IW5-7
R 6.01
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 +125 °C -40 °C
RS stock no. 122-0322
Mfr. Part No.LMV321SEG-7
R 2.00
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