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庫存編號 535-9969
製造零件編號LM741CN/NOPB
HK$6.178
/個 (每包:5個)
單位
- Through Hole MDIP Dual 1 8 - 1MHz - ±12 V, ±15 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS庫存編號 379-2572
製造零件編號MCP602-I/P
BrandMicrochip
HK$4.96
/個 (每包:5個)
單位
General Purpose Through Hole PDIP Single 2 8 3 V, 5 V 2.8MHz - - 2.3V/µs - +85 °C -40 °C
RS庫存編號 102-5716
製造零件編號LM741CN/NOPB
HK$4.739
毎管:40 個
單位
- Through Hole MDIP Dual 1 8 - 1MHz - ±12 V, ±15 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS庫存編號 920-6367
製造零件編號TS321ILT
HK$1.395
個 (在毎卷:3000)
單位
- 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庫存編號 913-0721
製造零件編號OP275GSZ
HK$17.97
毎管:98 個
單位
- Surface Mount SOIC Dual 2 8 - 9MHz - ±12 V, ±15 V, ±18 V, ±5 V, ±9 V 22V/µs - +85 °C -40 °C
RS庫存編號 426-067
製造零件編號TS321ILT
HK$3.694
/個 (每包:10個)
單位
- 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庫存編號 412-911
製造零件編號OP162GSZ
HK$32.30
單位
- Surface Mount SOIC Dual, Single 1 8 3 → 9 V 15MHz - ±3 V, ±5 V 10V/µs - +125 °C -40 °C
RS庫存編號 302-621
製造零件編號TL074CN
HK$5.26
單位
- Through Hole PDIP Dual 4 14 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +70 °C 0 °C
RS庫存編號 533-8215
製造零件編號LM324N/NOPB
HK$6.25
單位
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庫存編號 920-6222
製造零件編號TS912ID
HK$6.785
毎管:100 個
單位
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庫存編號 523-7803
製造零件編號OP284ESZ
HK$94.21
單位
- Surface Mount SOIC Dual, Single 2 8 5 → 28 V 3.25MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 2.4V/µs - +125 °C -40 °C
RS庫存編號 809-9279
製造零件編號OP77EZ
HK$91.24
單位
Precision Through Hole CDIP Dual 1 8 - 600kHz - ±15V 0.3V/µs 1000 kHz +85 °C -25 °C
RS庫存編號 379-2538
製造零件編號MCP601-I/P
BrandMicrochip
HK$3.79
/個 (每包:5個)
單位
General Purpose Through Hole PDIP Single 1 8 3 V, 5 V 2.8MHz - - 2.3V/µs - +85 °C -40 °C
RS庫存編號 709-3267
製造零件編號OPA827AID
HK$87.46
單位
- Surface Mount SOIC Dual 1 8 - 22MHz - ±12 V, ±15 V, ±5 V, ±9 V 28V/µs - +125 °C -40 °C
RS庫存編號 182-2441
製造零件編號TL074ACN
HK$15.92
單位
- Through Hole PDIP Dual 4 14 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +70 °C 0 °C
RS庫存編號 161-0153
製造零件編號OP162GSZ
HK$23.197
毎管:98 個
單位
- Surface Mount SOIC Dual, Single 1 8 3 → 9 V 15MHz - ±3 V, ±5 V 10V/µs - +125 °C -40 °C
RS庫存編號 111-1181
製造零件編號OP284ESZ
HK$67.705
毎管:98 個
單位
- Surface Mount SOIC Dual, Single 2 8 5 → 28 V 3.25MHz - ±12 V, ±15 V, ±3 V, ±5 V, ±9 V 2.4V/µs - +125 °C -40 °C
RS庫存編號 709-5516
製造零件編號OP275GSZ
HK$21.55
單位
- Surface Mount SOIC Dual 2 8 - 9MHz - ±12 V, ±15 V, ±18 V, ±5 V, ±9 V 22V/µs - +85 °C -40 °C
RS庫存編號 195-357
製造零件編號OP275GSZ
HK$21.38
單位
- Surface Mount SOIC Dual 2 8 - 9MHz - ±12 V, ±15 V, ±18 V, ±5 V, ±9 V 22V/µs - +85 °C -40 °C
RS庫存編號 121-8279
製造零件編號TL074CN
HK$3.804
毎管:25 個
單位
- Through Hole PDIP Dual 4 14 - 3MHz - ±12 V, ±15 V, ±5 V, ±9 V 13V/µs - +70 °C 0 °C