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. 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. 161-0153
Mfr. Part No.OP162GSZ
HK$23.197
Each (In a Tube of 98)
units
- Surface Mount SOIC Dual, Single 1 8 3 → 9 V 15MHz - ±3 V, ±5 V 10V/µs - +125 °C -40 °C
RS Stock No. 533-8215
Mfr. Part No.LM324N/NOPB
HK$6.25
Each
units
Precision Through Hole MDIP Dual, Single 4 14 5 → 28 V 1MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS Stock No. 661-0640
Mfr. Part No.MC33078D
HK$5.585
Each (In a Pack of 10)
units
- Surface Mount SOIC Dual, Single 2 8 12 → 28 V 16MHz - ±12 V, ±15 V, ±9 V 7V/µs - +85 °C -40 °C
RS Stock No. 761-6043
Mfr. Part No.LM7321MA/NOPB
HK$19.632
Each (In a Pack of 5)
units
Precision Surface Mount SOIC Single 1 8 2.5 → 32 V 20MHz - - 18V/µs - +125 °C -40 °C
RS Stock No. 620-0111
Mfr. Part No.OPA847ID
HK$58.96
Each
units
- Surface Mount SOIC Dual 1 8 - 3.9GHz - ±5V 950V/µs - +85 °C -40 °C
RS Stock No. 812-2505
Mfr. Part No.OPA1612AID
HK$59.046
Each (In a Pack of 5)
units
Precision Surface Mount SOIC Dual 2 8 - 80MHz - ±2.25 → ±18V 27V/µs 100 Hz +125 °C -55 °C
RS Stock No. 761-6012
Mfr. Part No.LM6132BIN/NOPB
HK$29.09
Each
units
Precision Through Hole MDIP Single 2 8 1.8 → 24 V 11MHz - - 14V/µs - +85 °C -40 °C
RS Stock No. 121-9740
Mfr. Part No.TLE2022AIP
HK$18.384
Each (In a Tube of 50)
units
Precision Through Hole PDIP Dual 2 8 - 2.8MHz - ±2 → ±20V 0.65V/µs 1 kHz +85 °C -40 °C
RS Stock No. 517-2318
Mfr. Part No.OP07CP
HK$17.47
Each (In a Pack of 10)
units
Precision Through Hole PDIP Dual 1 8 - 600kHz - ±12 V, ±15 V, ±5 V, ±9 V 0.3V/µs - +70 °C 0 °C
RS Stock No. 162-5192
Mfr. Part No.OPA2348AIDR
HK$4.755
Each (On a Reel of 2500)
units
Precision Surface Mount SOIC Single 2 8 3 V, 5 V 1MHz - - 0.5V/µs - +125 °C -40 °C
RS Stock No. 412-618
Mfr. Part No.AD8608ARZ
HK$39.54
Each
units
- Surface Mount SOIC Single 4 14 3 V, 5 V 10MHz - - 5V/µs - +125 °C -40 °C
RS Stock No. 303-444
Mfr. Part No.RC4558P
HK$12.03
Each
units
- Through Hole PDIP Dual 2 8 - 3MHz - ±12 V, ±9 V 1.7V/µs - +70 °C 0 °C
RS Stock No. 145-6718
Mfr. Part No.OPA2348AID
HK$6.658
Each (In a Tube of 75)
units
Precision Surface Mount SOIC Single 2 8 3 V, 5 V 1MHz - - 0.5V/µs - +125 °C -40 °C
RS Stock No. 877-8818
Mfr. Part No.AD8057ARTZ-R2
HK$17.122
Each (In a Pack of 5)
units
Low Noise Surface Mount SOT-23 Dual, Single 1 5 5 V 325MHz - ±5V 1150V/µs 100 kHz +85 °C -40 °C
RS Stock No. 160-2783
Mfr. Part No.AD8057ARTZ-R2
HK$17.114
Each (On a Reel of 250)
units
Low Noise Surface Mount SOT-23 Dual, Single 1 5 5 V 325MHz - ±5V 1150V/µs 100 kHz +85 °C -40 °C
RS Stock No. 121-8463
Mfr. Part No.NE5532P
HK$6.794
Each (In a Tube of 50)
units
- Through Hole PDIP Dual 2 8 - 10MHz - ±15V 9V/µs - +70 °C 0 °C
RS Stock No. 102-5588
Mfr. Part No.OPA847ID
HK$45.757
Each (In a Tube of 75)
units
- Surface Mount SOIC Dual 1 8 - 3.9GHz - ±5V 950V/µs - +85 °C -40 °C
RS Stock No. 921-2833
Mfr. Part No.OPA1612AID
HK$45.997
Each (In a Tube of 75)
units
Precision Surface Mount SOIC Dual 2 8 - 80MHz - ±2.25 → ±18V 27V/µs 100 Hz +125 °C -55 °C
RS Stock No. 732-0702
Mfr. Part No.LM158JG
HK$174.26
Each
units
- Through Hole CDIP Dual, Single 2 8 5 → 28 V 700kHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 0.3V/µs - +125 °C -55 °C
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