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. 145-6798
Mfr. Part No.OPA1654AIPW
$4.19
Each (In a Tube of 90)
units
Low Noise, Precision Surface Mount TSSOP Dual, Single 4 14 4.5 → 36 V 18MHz - ±2.25 → ±18V 10V/µs 1 MHz +125 °C -55 °C
RS Stock No. 889-5689
Mfr. Part No.MCP6001T-I/OT
BrandMicrochip
$0.275
Each (On a Reel of 3000)
units
General Purpose Surface Mount SOT-23 Single 1 5 3 V, 5 V 1MHz - - 0.6V/µs - +85 °C -40 °C
RS Stock No. 121-8432
Mfr. Part No.LM324AN
$0.612
Each (In a Tube of 25)
units
Precision Through Hole PDIP Dual, Single 4 14 5 → 28 V 1.2MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS Stock No. 641-5357
Mfr. Part No.NJM2068D
$0.948
Each (In a Pack of 5)
units
- Through Hole PDIP Dual 2 8 - 27MHz - ±12 V, ±15 V, ±5 V, ±9 V 6V/µs - +75 °C -20 °C
RS Stock No. 774-1253
Mfr. Part No.OPA1654AIPW
$4.82
Each
units
Low Noise, Precision Surface Mount TSSOP Dual, Single 4 14 4.5 → 36 V 18MHz - ±2.25 → ±18V 10V/µs 1 MHz +125 °C -55 °C
RS Stock No. 534-3762
Mfr. Part No.LM7171BIN/NOPB
$2.24
Each
units
- Through Hole MDIP Dual, Single 1 8 5.5 → 36 V 200MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 4100V/µs - +85 °C -40 °C
RS Stock No. 121-8794
Mfr. Part No.LM7171BIN/NOPB
$4.664
Each (In a Tube of 40)
units
- Through Hole MDIP Dual, Single 1 8 5.5 → 36 V 200MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 4100V/µs - +85 °C -40 °C
RS Stock No. 527-732
Mfr. Part No.LM324AN
$0.639
Each (In a Pack of 25)
units
Precision Through Hole PDIP Dual, Single 4 14 5 → 28 V 1.2MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS Stock No. 698-9041
Mfr. Part No.MCP6001T-I/OT
BrandMicrochip
$0.41
Each
units
General Purpose Surface Mount SOT-23 Single 1 5 3 V, 5 V 1MHz - - 0.6V/µs - +85 °C -40 °C
RS Stock No. 178-2297
Mfr. Part No.NJM2068D
$0.717
Each (In a Tube of 50)
units
- Through Hole PDIP Dual 2 8 - 27MHz - ±12 V, ±15 V, ±5 V, ±9 V 6V/µs - +75 °C -20 °C
RS Stock No. 379-2538
Mfr. Part No.MCP601-I/P
BrandMicrochip
$0.694
Each (In a Pack of 5)
units
General Purpose Through Hole PDIP Single 1 8 3 V, 5 V 2.8MHz - - 2.3V/µs - +85 °C -40 °C
RS Stock No. 915-5837
Mfr. Part No.ADA4530-1ARZ
$35.91
Each
units
FET Surface Mount SOIC Dual, Single 1 8 4.5 → 16 V 2MHz - ±2.25 → ±8V 1.4V/µs - +125 °C -40 °C
RS Stock No. 426-051
Mfr. Part No.LM358D
$0.363
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
RS Stock No. 178-5166
Mfr. Part No.LM358DT
$0.155
Each (On a Reel of 2500)
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
RS Stock No. 714-7440
Mfr. Part No.MC4558CDT
$0.493
Each (In a Pack of 20)
units
High Speed Surface Mount SOIC Dual 2 8 - 5.5MHz - ±12 V, ±15 V, ±18 V, ±3 V, ±5 V, ±9 V 2.2V/µs - +70 °C 0 °C
RS Stock No. 144-9129
Mfr. Part No.MCP601-I/P
BrandMicrochip
$0.569
Each (In a Tube of 60)
units
General Purpose Through Hole PDIP Single 1 8 3 V, 5 V 2.8MHz - - 2.3V/µs - +85 °C -40 °C
RS Stock No. 178-7509
Mfr. Part No.LM358D
$0.19
Each (In a Tube of 100)
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
RS Stock No. 178-5175
Mfr. Part No.MC4558CDT
$0.168
Each (On a Reel of 2500)
units
High Speed Surface Mount SOIC Dual 2 8 - 5.5MHz - ±12 V, ±15 V, ±18 V, ±3 V, ±5 V, ±9 V 2.2V/µs - +70 °C 0 °C
RS Stock No. 714-0827
Mfr. Part No.LM358DT
$0.514
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
RS Stock No. 160-3311
Mfr. Part No.ADA4530-1ARZ
$34.556
Each (In a Tube of 98)
units
FET Surface Mount SOIC Dual, Single 1 8 4.5 → 16 V 2MHz - ±2.25 → ±8V 1.4V/µs - +125 °C -40 °C
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