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.

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.

Op Amp Applications

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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LM358P Texas Instruments, Op Amps, 1.2MHz, 3 → 30 V, 8-Pin PDIP RS Stock No.: 197-7265 Mfr. Part No.: LM358P Datasheets: Kr. 1,414 Each (In a Tube of 50)	Texas Instruments	-	Through Hole	PDIP	Single	2	8	3 → 30 V	1.2MHz	-	-	-	-	-	-	-	-	-	-	-	-
LM741CN/NOPB Texas Instruments, Op Amp, 1MHz, 8-Pin MDIP RS Stock No.: 535-9969 Mfr. Part No.: LM741CN/NOPB Datasheets: Kr. 8,672 Each (In a Pack of 5)	Texas Instruments	-	Through Hole	MDIP	Dual	1	8	-	1MHz	-	±12 V, ±15 V, ±9 V	0.5V/µs	-	+70 °C	0 °C	-	-	-	-	No	106 dB
LM2902DT STMicroelectronics, Low Power, Op Amp, 1.3MHz, 5 → 28 V, 14-Pin SOIC RS Stock No.: 714-0748 Mfr. Part No.: LM2902DT Datasheets: Kr. 1,636 Each (In a Pack of 20)	STMicroelectronics	Low Power	Surface Mount	SOIC	Dual, Single	4	14	5 → 28 V	1.3MHz	-	±12 V, ±3 V, ±5 V, ±9 V	0.4V/µs	-	+125 °C	-40 °C	-	-	-	-	No	100 dB
THS4032ID Texas Instruments, Op Amp, 120MHz, 10 → 28 V, 8-Pin SOIC RS Stock No.: 661-1167P Mfr. Part No.: THS4032ID Datasheets: Kr. 96,90 Each (Supplied in a Tube)	Texas Instruments	-	Surface Mount	SOIC	Dual, Single	2	8	10 → 28 V	120MHz	-	±12 V, ±15 V, ±5 V, ±9 V	80V/µs	-	+85 °C	-40 °C	-	-	-	-	No	95 dB
LM358AP Texas Instruments, Precision, Op Amp, 700kHz, 5 → 28 V, 8-Pin PDIP RS Stock No.: 709-2100 Mfr. Part No.: LM358AP Datasheets: Kr. 3,97 Each (In a Pack of 10)	Texas Instruments	Precision	Through Hole	PDIP	Dual, Single	2	8	5 → 28 V	700kHz	-	±12 V, ±15 V, ±3 V, ±5 V, ±9 V	0.3V/µs	-	+70 °C	0 °C	-	-	-	-	No	100 dB
LM324N Texas Instruments, Precision, Op Amp, 1.2MHz, 5 → 28 V, 14-Pin PDIP RS Stock No.: 661-0530 Mfr. Part No.: LM324N Datasheets: Kr. 2,402 Each (In a Pack of 10)	Texas Instruments	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	-	-	-	-	No	100 dB
OPA828ID Texas Instruments, Precision, Op Amp, RRO, 45MHz, 36 V, 8-Pin SOIC RS Stock No.: 249-4955 Mfr. Part No.: OPA828ID Datasheets: Kr. 83,74 Each	Texas Instruments	Precision	Surface Mount	SOIC	Single	1	8	36 V	45MHz	-	-	-	-	-	-	-	-	-	-	Rail to Rail Output	-
UA741CP Texas Instruments, Op Amp, 1MHz, 8-Pin PDIP RS Stock No.: 305-311 Mfr. Part No.: UA741CP Datasheets: Kr. 5,40 Each (In a Pack of 5)	Texas Instruments	-	Through Hole	PDIP	Dual	1	8	-	1MHz	-	±12 V, ±15 V, ±5 V, ±9 V	0.5V/µs	-	+70 °C	0 °C	-	-	-	-	No	106 dB
LM324D Texas Instruments, Precision, Op Amp, 1.2MHz, 5 → 28 V, 14-Pin SOIC RS Stock No.: 661-0521 Mfr. Part No.: LM324D Datasheets: Kr. 5,48 Each (In a Pack of 10)	Texas Instruments	Precision	Surface Mount	SOIC	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	-	-	-	-	No	100 dB
TL061CDR Texas Instruments, Op Amp, 1MHz, 8-Pin SOIC RS Stock No.: 661-0026 Mfr. Part No.: TL061CDR Datasheets: Kr. 2,415 Each (In a Pack of 10)	Texas Instruments	-	Surface Mount	SOIC	Dual	1	8	-	1MHz	-	±12 V, ±15 V, ±5 V, ±9 V	3.5V/µs	-	+70 °C	0 °C	-	-	-	-	No	75.6 dB
LM3900N Texas Instruments, Quad, Op Amps, 2.5MHz, 32 V, 14-Pin PDIP RS Stock No.: 268-7521 Mfr. Part No.: LM3900N Datasheets: Kr. 8,475 Each (In a Tube of 25)	Texas Instruments	Quad	Through Hole	PDIP	Dual, Single	4	14	32 V	2.5MHz	-	-	-	-	-	-	-	-	-	-	No	-
LM124J Texas Instruments, Op Amp, 1MHz, 3 → 32 V, 14-Pin CDIP RS Stock No.: 922-2347 Mfr. Part No.: LM124J Datasheets: Kr. 159,927 Each (In a Tube of 25)	Texas Instruments	-	Through Hole	CDIP	Dual	4	14	3 → 32 V	1MHz	-	±1.5 → ±16V	0.5V/µs	-	+70 °C	0 °C	-	-	-	-	No	100 dB
UA741CD STMicroelectronics, Operational Amplifier, Op Amps, 1MHz, 5 → 40 V, 8-Pin SO8 RS Stock No.: 152-038 Mfr. Part No.: UA741CD Datasheets: Kr. 2,242 Each (In a Pack of 50)	STMicroelectronics	Operational Amplifier	Surface Mount	SO8	Dual	1	8	5 → 40 V	1MHz	-	-	-	-	-	-	-	-	-	-	-	-
LMC6482AIMX/NOPB Texas Instruments, Dual Operational, Op Amp, RRIO, 1MHz, 3 → 15.5 V, 8-Pin SOIC RS Stock No.: 218-4531 Mfr. Part No.: LMC6482AIMX/NOPB Datasheets: Kr. 19,082 Each (In a Pack of 5)	Texas Instruments	Dual Operational	Surface Mount	SOIC	Single	2	8	3 → 15.5 V	1MHz	-	-	-	-	-	-	-	-	-	-	Rail to Rail Input/Output	-
LM833DT STMicroelectronics, Op Amp, 15MHz, 8-Pin SOIC RS Stock No.: 165-7480 Mfr. Part No.: LM833DT Datasheets: Kr. 1,794 Each (On a Reel of 2500)	STMicroelectronics	-	Surface Mount	SOIC	Dual	2	8	-	15MHz	-	±12 V, ±3 V, ±5 V, ±9 V	7V/µs	-	+105 °C	-40 °C	-	-	-	-	No	100 dB
OP Amp Quad GP 18V 14-Pin PDIP RS Stock No.: 922-3025 Mfr. Part No.: LF347N Datasheets: Kr. 5,061 Each (In a Tube of 25)	Texas Instruments	-	Through Hole	PDIP	Dual	4	14	-	3MHz	-	±12 V, ±15 V, ±5 V, ±9 V	13V/µs	-	+70 °C	0 °C	-	-	-	-	-	100 dB
TSX711ILT STMicroelectronics, Precision, Op Amp, RRIO, 2.7MHz, 2.7 → 16 V, 5-Pin SOT-23 RS Stock No.: 860-7539 Mfr. Part No.: TSX711ILT Datasheets: Kr. 8,452 Each (In a Pack of 5)	STMicroelectronics	Precision	Surface Mount	SOT-23	Single	1	5	2.7 → 16 V	2.7MHz	-	-	0.95 V/μs, 1.4 V/μs	-	+125 °C	-40 °C	-	-	-	-	Rail to Rail Input/Output	149 dB
LM2904P Texas Instruments, Precision, Op Amp, 700kHz, 5 → 24 V, 8-Pin PDIP RS Stock No.: 810-273 Mfr. Part No.: LM2904P Datasheets: Kr. 3,43 Each	Texas Instruments	Precision	Through Hole	PDIP	Dual, Single	2	8	5 → 24 V	700kHz	-	±12 V, ±3 V, ±5 V, ±9 V	0.3V/µs	-	+125 °C	-40 °C	-	-	-	-	No	100 dB
OPA2277U Texas Instruments, Precision, Op Amp, 1MHz, 8-Pin SOIC RS Stock No.: 661-0723P Mfr. Part No.: OPA2277U Datasheets: Kr. 115,77 Each (Supplied in a Tube)	Texas Instruments	Precision	Surface Mount	SOIC	Dual	2	8	-	1MHz	-	±12 V, ±15 V, ±3 V, ±5 V, ±9 V	0.8V/µs	-	+85 °C	-40 °C	-	-	-	-	No	140 dB
TL071ACP Texas Instruments, Op Amp, 3MHz, 8-Pin PDIP RS Stock No.: 428-515 Mfr. Part No.: TL071ACP Datasheets: Kr. 6,18 Each	Texas Instruments	-	Through Hole	PDIP	Dual	1	8	-	3MHz	-	±12 V, ±15 V, ±5 V, ±9 V	13V/µs	-	+70 °C	0 °C	-	-	-	-	No	106 dB