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. 171-5748
Mfr. Part No.BA82904YF-CE2
BrandROHM
$0.777
Each (On a Reel of 2500)
units
Dual Operational Surface Mount SOP Single 2 8 - 500kHz Current - 0.2V/µs 1 kHz +125 °C -40 °C
RS Stock No. 184-8647
Mfr. Part No.BA2115F-E2
BrandROHM
$1.199
Each (In a Pack of 25)
units
Low Noise Surface Mount SOP Dual 2 8 - 12MHz Swing ±1 to ±7V 4V/µs 10 kHz 85 °C -40 °C
RS Stock No. 171-5793
Mfr. Part No.BU7275HFV-TR
BrandROHM
$0.627
Each (On a Reel of 3000)
units
CMOS Surface Mount HVSOF Single 1 5 - 600kHz Swing - 0.3V/µs - +85 °C -40 °C
RS Stock No. 184-8677
Mfr. Part No.BA2904YFV-CE2
BrandROHM
$0.943
Each (In a Pack of 10)
units
- Surface Mount SSOP Single 2 8 3 → 36 V 500kHz - - 0.2V/µs 1 kHz 125 °C -40 °C
RS Stock No. 168-2069
Mfr. Part No.BA2904SF-E2
BrandROHM
$0.894
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. 184-8731
Mfr. Part No.BA4558YFV-MGE2
BrandROHM
$0.57
Each (In a Pack of 25)
units
Low Noise Surface Mount SSOP Dual 2 8 - - - ±4 to ±15V 1V/µs 1 kHz 105 °C -40 °C
RS Stock No. 401-2114
Mfr. Part No.BA10324AF
BrandROHM
$0.996
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. 171-6339
Mfr. Part No.LM358FJ-GE2
BrandROHM
$0.844
Each (In a Pack of 25)
units
Dual Operational Surface Mount SOP-J Single 2 8 - 800kHz Current - 0.3V/µs 1 kHz +85 °C -40 °C
RS Stock No. 169-0505
Mfr. Part No.BA2902F-E2
BrandROHM
$0.757
Each (On a Reel of 2500)
units
- Surface Mount SOP Dual, Single 4 14 5 → 28 V 500kHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.2V/µs - +125 °C -40 °C
RS Stock No. 178-0535
Mfr. Part No.LM358F-GE2
BrandROHM
$0.546
Each (In a Pack of 50)
units
- Surface Mount SOP Single 2 8 36 V 800kHz Current - 0.3V/µs - +85 °C -40 °C
RS Stock No. 133-3217
Mfr. Part No.LM4565F-GE2
BrandROHM
$0.656
Each (In a Pack of 25)
units
Low Noise Surface Mount SOP Dual 2 8 - 10MHz - - 5V/µs 100 kHz +85 °C -40 °C
RS Stock No. 184-8650
Mfr. Part No.BU7291G-TR
BrandROHM
$1.08
Each (In a Pack of 25)
units
CMOS Surface Mount SSOP Single 1 5 2.4 → 5.5 V 2.8MHz Swing - 3V/µs 100 kHz 85 °C -40 °C
RS Stock No. 184-8680
Mfr. Part No.BU7244YFV-CE2
BrandROHM
$2.662
Each (In a Pack of 5)
units
CMOS Surface Mount SSOP Dual, Single 4 14 1.8 → 5.5 V 1MHz Rail to Rail ±0.9 to ±2.75V 0.4V/µs 1 kHz 125 °C -40 °C
RS Stock No. 184-8720
Mfr. Part No.LM358FVJ-E2
BrandROHM
$0.812
Each (In a Pack of 25)
units
Dual Operational Surface Mount TSSOP Single 2 8 3 → 32 V 800kHz - - 0.3V/µs 1 kHz 85 °C -40 °C
RS Stock No. 184-8611
Mfr. Part No.LMR342FV-GE2
BrandROHM
$0.833
Each (In a Pack of 25)
units
CMOS Surface Mount SSOP Single 2 8 2.7 → 5.5 V 2MHz Swing - 1V/µs 100 kHz 85 °C -40 °C
RS Stock No. 184-8734
Mfr. Part No.BD7562SF-E2
BrandROHM
$2.11
Each (In a Pack of 10)
units
CMOS Surface Mount SOP Dual, Single 2 8 5 → 14.5 V 1MHz Swing ±2.5 to ±7.25V 0.9V/µs 1 kHz 105 °C -40 °C
RS Stock No. 184-8713
Mfr. Part No.BA4558YF-MGE2
BrandROHM
$0.584
Each (In a Pack of 25)
units
Low Noise Surface Mount SOP Dual 2 8 - - - ±4 to ±15V 1V/µs 1 kHz 105 °C -40 °C
RS Stock No. 177-9874
Mfr. Part No.BA14741F-E2
BrandROHM
$2.046
Each (On a Reel of 2500)
units
Low Noise Surface Mount SOP Dual 4 14 - 2.2MHz Current - 1V/µs - +85 °C -40 °C
RS Stock No. 171-5772
Mfr. Part No.BU7294FV-E2
BrandROHM
$0.661
Each (On a Reel of 2500)
units
CMOS Surface Mount SSOP-B Single 4 14 - 2.8MHz Swing - 3V/µs 1 kHz +85 °C -40 °C
RS Stock No. 184-8757
Mfr. Part No.BU7264F-E2
BrandROHM
$1.433
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