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 305-311
製造零件編號UA741CP
HK$4.024
/個 (每包:5個)
單位
- Through Hole PDIP Dual 1 8 - 1MHz - ±12 V, ±15 V, ±5 V, ±9 V 0.5V/µs - +70 °C 0 °C
RS庫存編號 661-0521
製造零件編號LM324D
HK$2.593
/個 (每包:10個)
單位
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
RS庫存編號 461-9030
製造零件編號OPA637AU
HK$212.81
單位
- Surface Mount SOIC Dual 1 8 - 80MHz - ±15V 135V/µs - +85 °C -25 °C
RS庫存編號 923-2307
製造零件編號OPA627AU
HK$196.301
毎管:75 個
單位
Precision Surface Mount SOIC Dual 1 8 - 16MHz - ±15V 55V/µs - +85 °C -25 °C
RS庫存編號 288-907
製造零件編號OPA627AU
HK$232.32
單位
Precision Surface Mount SOIC Dual 1 8 - 16MHz - ±15V 55V/µs - +85 °C -25 °C
RS庫存編號 100-3867
製造零件編號OPA637AU
HK$187.466
毎管:75 個
單位
- Surface Mount SOIC Dual 1 8 - 80MHz - ±15V 135V/µs - +85 °C -25 °C
RS庫存編號 698-9041
製造零件編號MCP6001T-I/OT
BrandMicrochip
HK$6.72
單位
General Purpose Surface Mount SOT-23 Single 1 5 3 V, 5 V 1MHz - - 0.6V/µs - +85 °C -40 °C
RS庫存編號 522-8427
製造零件編號AD797ANZ
HK$86.53
單位
- Through Hole PDIP Dual 1 8 - 450MHz - ±12 V, ±15 V, ±9 V 20V/µs - +85 °C -40 °C
RS庫存編號 889-5689
製造零件編號MCP6001T-I/OT
BrandMicrochip
HK$1.479
個 (在毎卷:3000)
單位
General Purpose Surface Mount SOT-23 Single 1 5 3 V, 5 V 1MHz - - 0.6V/µs - +85 °C -40 °C
RS庫存編號 436-3052
製造零件編號OPA2277UA
HK$34.89
單位
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
RS庫存編號 100-3835
製造零件編號OPA2277UA
HK$32.942
毎管:75 個
單位
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
RS庫存編號 106-7059
製造零件編號AD797ANZ
HK$69.943
毎管:50 個
單位
- Through Hole PDIP Dual 1 8 - 450MHz - ±12 V, ±15 V, ±9 V 20V/µs - +85 °C -40 °C
RS庫存編號 860-7545
製造零件編號TSH82IYDT
HK$8.872
/個 (每包:5個)
單位
High Speed Surface Mount SOIC Single 2 8 4.5 → 12 V 100MHz - - 100V/µs - +85 °C -40 °C
RS庫存編號 761-5952
製造零件編號LM4562NA/NOPB
HK$30.26
單位
Audio Through Hole PDIP Dual 2 8 - 55MHz - ±2.5 → ±17V ±20V/µs - +85 °C -40 °C
RS庫存編號 545-6919
製造零件編號LT1210CT7#PBF
HK$123.76
單位
Current Feedback Through Hole TO-220 Dual 1 7 - 55MHz - ±12 V, ±9 V 900V/µs - +70 °C 0 °C
RS庫存編號 153-3513
製造零件編號LT1210CT7#PBF
HK$93.956
毎管:50 個
單位
Current Feedback Through Hole TO-220 Dual 1 7 - 55MHz - ±12 V, ±9 V 900V/µs - +70 °C 0 °C
RS庫存編號 536-1035
製造零件編號LF353M/NOPB
HK$7.795
/個 (每包:20個)
單位
- Surface Mount SOIC Dual 2 8 - 4MHz - ±12 V, ±15 V, ±9 V 13V/µs - +70 °C 0 °C
RS庫存編號 162-4672
製造零件編號LF353M/NOPB
HK$5.974
毎管:95 個
單位
- Surface Mount SOIC Dual 2 8 - 4MHz - ±12 V, ±15 V, ±9 V 13V/µs - +70 °C 0 °C
RS庫存編號 825-3609
製造零件編號TLE2021AIP
HK$22.914
/個 (每包:5個)
單位
Precision Through Hole PDIP Dual 1 8 - 2MHz - ±2 → ±20V 0.65V/µs 1 kHz +85 °C -40 °C
RS庫存編號 709-5550
製造零件編號OP284EPZ
HK$96.38
單位
- Through Hole PDIP 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