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. 401-2114
Mfr. Part No.BA10324AF
BrandROHM
SGD0.87
Each (In a Pack of 5)
units
- Surface Mount SOP Dual, Single 4 14 5 → 28 V - - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.2V/µs - +85 °C -40 °C
RS Stock No. 168-2019
Mfr. Part No.BA2904FV-E2
BrandROHM
SGD0.639
Each (In a Pack of 25)
units
- Surface Mount SSOP Single 2 8 36 V 500kHz Current - 0.2V/µs 1 kHz +125 °C -40 °C
RS Stock No. 184-8757
Mfr. Part No.BU7264F-E2
BrandROHM
SGD1.308
Each (In a Pack of 10)
units
CMOS Surface Mount SOP Single 4 14 1.8 → 5.5 V 2MHz Swing - 1.1V/µs 1 kHz 85 °C -40 °C
RS Stock No. 184-8636
Mfr. Part No.BU7271SG-TR
BrandROHM
SGD1.092
Each (In a Pack of 25)
units
CMOS Surface Mount SSOP Single 1 5 1.8 → 5.5 V 90kHz Swing - 50V/ms - 105 °C -40 °C
RS Stock No. 184-8779
Mfr. Part No.BA4580RFVT-E2
BrandROHM
SGD0.788
Each (In a Pack of 25)
units
Low Noise Surface Mount TSSOP Dual 2 8 - 10MHz - ±2 to ±16V 5V/µs 20 kHz 105 °C -40 °C
RS Stock No. 184-8693
Mfr. Part No.BA4558FVM-GTR
BrandROHM
SGD0.507
Each (In a Pack of 25)
units
Low Noise Surface Mount MSOP Dual 2 8 - - - ±4 to ±15V 1V/µs 1 kHz 85 °C -40 °C
RS Stock No. 184-8614
Mfr. Part No.LMR358F-GE2
BrandROHM
SGD0.559
Each (In a Pack of 25)
units
Dual Operational Surface Mount SOP Single 2 8 2.7 → 5.5 V 3MHz Swing - 1V/µs 100 kHz 85 °C -40 °C
RS Stock No. 128-8845
Mfr. Part No.BA10324AFV-E2
BrandROHM
SGD0.925
Each (In a Pack of 25)
units
General Purpose Surface Mount SSOP-B Single 4 14 - 500kHz - - 0.2V/µs - +85 °C -40 °C
RS Stock No. 168-2069
Mfr. Part No.BA2904SF-E2
BrandROHM
SGD0.746
Each (In a Pack of 25)
units
- Surface Mount SOP Single 2 8 36 V 500kHz Current - 0.2V/µs 1 kHz +105 °C -40 °C
RS Stock No. 171-6284
Mfr. Part No.BA2904YFVM-CTR
BrandROHM
SGD0.781
Each (In a Pack of 10)
units
Dual Operational Surface Mount MSOP Single 2 8 - 500kHz Current - 0.2V/µs 1 kHz +125 °C -40 °C
RS Stock No. 171-5764
Mfr. Part No.LM358FJ-GE2
BrandROHM
SGD0.174
Each (On a Reel of 2500)
units
Dual Operational Surface Mount SOP-J Single 2 8 - 800kHz Current - 0.3V/µs 1 kHz +85 °C -40 °C
RS Stock No. 177-9885
Mfr. Part No.LMR341G-GTR
BrandROHM
SGD0.279
Each (On a Reel of 3000)
units
CMOS Surface Mount SSOP Single 1 6 7 V 2MHz CMOS - 1V/µs - +85 °C -40 °C
RS Stock No. 184-8710
Mfr. Part No.BU7255HFV-TR
BrandROHM
SGD1.571
Each (In a Pack of 25)
units
CMOS Surface Mount HVSOF Single 1 5 2.4 → 5.5 V - Swing - 3.4V/µs - 85 °C -40 °C
RS Stock No. 178-0376
Mfr. Part No.BA14741F-E2
BrandROHM
SGD1.82
Each (In a Pack of 10)
units
Low Noise Surface Mount SOP Dual 4 14 - 2.2MHz Current - 1V/µs - +85 °C -40 °C
RS Stock No. 178-0511
Mfr. Part No.BU7261G-TR
BrandROHM
SGD1.61
Each (In a Pack of 20)
units
CMOS Surface Mount SSOP Single 1 5 7 V 2MHz CMOS - 1.1V/µs - +85 °C -40 °C
RS Stock No. 184-8776
Mfr. Part No.BA4510FVM-GTR
BrandROHM
SGD1.122
Each (In a Pack of 25)
units
Low Noise Surface Mount MSOP Dual 2 8 - - Swing ±1 to ±3.5V 5V/µs 1 kHz 75 °C -20 °C
RS Stock No. 184-8766
Mfr. Part No.BA4510FV-E2
BrandROHM
SGD1.081
Each (In a Pack of 25)
units
Low Noise Surface Mount SSOP Dual 2 8 - - Swing ±1 to ±3.5V 5V/µs 1 kHz 75 °C -20 °C
RS Stock No. 168-1880
Mfr. Part No.BU7242SF-E2
BrandROHM
SGD1.106
Each (In a Pack of 10)
units
CMOS Surface Mount SOP Single 2 8 5.5 V 900kHz - - 0.4V/µs 1 kHz +105 °C -40 °C
RS Stock No. 184-8666
Mfr. Part No.BU7244F-E2
BrandROHM
SGD1.308
Each (In a Pack of 10)
units
CMOS Surface Mount SOP Single 4 14 1.8 → 5.5 V 900kHz Swing - 0.4V/µs 1 kHz 85 °C -40 °C
RS Stock No. 731-3697
Mfr. Part No.BA4558RFVM-TR
BrandROHM
SGD0.821
Each (In a Pack of 10)
units
- Surface Mount MSOP Dual, Single 2 8 8 → 30 V 2MHz - ±4 → ±15V 1V/µs - +105 °C -40 °C