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. 860-7545
Mfr. Part No.TSH82IYDT
HK$9.80
Each (In a Pack of 5)
units
High Speed Surface Mount SOIC Single 2 8 4.5 → 12 V 100MHz - - 100V/µs - +85 °C -40 °C
RS Stock No. 168-6827
Mfr. Part No.TS912IDT
HK$4.871
Each (On a Reel of 2500)
units
Low Power Surface Mount SOIC Dual, Single 2 8 3 → 15 V 1MHz - ±3 V, ±5 V 0.8V/µs - +125 °C -40 °C
RS Stock No. 298-8261
Mfr. Part No.TS912ID
HK$16.38
Each
units
Low Power Surface Mount SOIC Dual, Single 2 8 3 → 15 V 1MHz - ±3 V, ±5 V 0.8V/µs - +125 °C -40 °C
RS Stock No. 920-6222
Mfr. Part No.TS912ID
HK$6.785
Each (In a Tube of 100)
units
Low Power Surface Mount SOIC Dual, Single 2 8 3 → 15 V 1MHz - ±3 V, ±5 V 0.8V/µs - +125 °C -40 °C
RS Stock No. 714-1133
Mfr. Part No.TS912IDT
HK$8.31
Each (In a Pack of 5)
units
Low Power Surface Mount SOIC Dual, Single 2 8 3 → 15 V 1MHz - ±3 V, ±5 V 0.8V/µs - +125 °C -40 °C
RS Stock No. 426-067
Mfr. Part No.TS321ILT
HK$3.694
Each (In a Pack of 10)
units
- Surface Mount SOT-23 Dual, Single 1 5 5 → 28 V 800kHz - ±12 V, ±3 V, ±5 V, ±9 V 0.4V/µs - +125 °C -40 °C
RS Stock No. 920-6367
Mfr. Part No.TS321ILT
HK$1.395
Each (On a Reel of 3000)
units
- Surface Mount SOT-23 Dual, Single 1 5 5 → 28 V 800kHz - ±12 V, ±3 V, ±5 V, ±9 V 0.4V/µs - +125 °C -40 °C
RS Stock No. 795-9091
Mfr. Part No.TSV992AIDT
HK$6.806
Each (In a Pack of 5)
units
High Speed, Precision Surface Mount SOIC Single 2 8 2.5 → 5.5 V 20MHz - - 10V/µs - +125 °C -40 °C
RS Stock No. 168-7739
Mfr. Part No.TSV992AIDT
HK$4.444
Each (On a Reel of 2500)
units
High Speed, Precision Surface Mount SOIC Single 2 8 2.5 → 5.5 V 20MHz - - 10V/µs - +125 °C -40 °C
RS Stock No. 920-9023
Mfr. Part No.TS912AIDT
HK$4.209
Each (On a Reel of 2500)
units
Low Power Surface Mount SOIC Dual, Single 2 8 3 → 15 V 1MHz - ±3 V, ±5 V 0.8V/µs - +125 °C -40 °C
RS Stock No. 809-1455
Mfr. Part No.LM224APT
HK$2.432
Each (In a Pack of 25)
units
Low Power Surface Mount TSSOP Dual, Single 4 14 3 → 30 V 1.3MHz - ±1.5 → ±15V 0.4V/µs 100 kHz +105 °C -40 °C
RS Stock No. 179-143
Mfr. Part No.TSV991AILT
HK$6.40
Each (In a Pack of 5)
units
High Speed, Precision Surface Mount SOT-23 Single 1 5 3 V, 5 V 20MHz - - 10V/µs - +125 °C -40 °C
RS Stock No. 877-3065
Mfr. Part No.TS524IDT
HK$6.969
Each (In a Pack of 10)
units
Low Noise Surface Mount SOIC Dual 4 14 3 → 30 V 15MHz - ±2.5 → ±15V 7V/µs - +125 °C -40 °C
RS Stock No. 165-5519
Mfr. Part No.TS524IDT
HK$5.10
Each (On a Reel of 2500)
units
Low Noise Surface Mount SOIC Dual 4 14 3 → 30 V 15MHz - ±2.5 → ±15V 7V/µs - +125 °C -40 °C
RS Stock No. 168-5728
Mfr. Part No.TSV991AILT
HK$3.683
Each (On a Reel of 3000)
units
High Speed, Precision Surface Mount SOT-23 Single 1 5 3 V, 5 V 20MHz - - 10V/µs - +125 °C -40 °C
RS Stock No. 165-6532
Mfr. Part No.LM224APT
HK$1.186
Each (On a Reel of 2500)
units
Low Power Surface Mount TSSOP Dual, Single 4 14 3 → 30 V 1.3MHz - ±1.5 → ±15V 0.4V/µs 100 kHz +105 °C -40 °C
RS Stock No. 426-077
Mfr. Part No.TS912AIDT
HK$10.524
Each (In a Pack of 5)
units
Low Power Surface Mount SOIC Dual, Single 2 8 3 → 15 V 1MHz - ±3 V, ±5 V 0.8V/µs - +125 °C -40 °C
RS Stock No. 811-0919
Mfr. Part No.TL074ID
HK$3.416
Each (In a Pack of 25)
units
Low Noise Surface Mount SOIC Single 4 14 6 → 36 V 3MHz - - 13V/µs 100 kHz +125 °C -40 °C
RS Stock No. 178-5180
Mfr. Part No.TL081CDT
HK$1.768
Each (On a Reel of 2500)
units
- Surface Mount SOIC Dual 1 8 - 4MHz - - 16V/µs - +70 °C 0 °C
RS Stock No. 714-0827
Mfr. Part No.LM358DT
HK$1.759
Each (In a Pack of 20)
units
Low Power Surface Mount SOIC Dual, Single 2 8 5 → 28 V 1.1MHz - ±12 V, ±3 V, ±5 V, ±9 V 0.6V/µs - +70 °C 0 °C