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 522-8174
製造零件編號AD827JNZ
HK$164.32
單位
General Purpose Through Hole PDIP Dual 2 8 - 35MHz - ±12 V, ±15 V, ±5 V, ±9 V 200V/µs - +70 °C 0 °C
RS庫存編號 660-4355
製造零件編號OPA627BP
HK$324.29
單位
Precision Through Hole PDIP Dual 1 8 - 16MHz - ±15V 55V/µs - +85 °C -25 °C
RS庫存編號 102-5665
製造零件編號OPA627BP
HK$333.354
毎管:50 個
單位
Precision Through Hole PDIP Dual 1 8 - 16MHz - ±15V 55V/µs - +85 °C -25 °C
RS庫存編號 759-1301
製造零件編號AD827SQ
HK$463.17
單位
General Purpose Through Hole PDIP Dual 2 8 - 50MHz - ±5 → ±15V 300V/µs - +125 °C -55 °C
RS庫存編號 523-7623
製造零件編號AD797BRZ
HK$128.28
單位
- Surface Mount SOIC Dual 1 8 - 110MHz - ±12 V, ±15 V, ±9 V 20V/µs - +85 °C -40 °C
RS庫存編號 121-8462
製造零件編號OPA627AP
HK$238.392
毎管:50 個
單位
Precision Through Hole PDIP Dual 1 8 - 16MHz - ±15V 55V/µs - +85 °C -25 °C
RS庫存編號 809-936
製造零件編號OPA627AP
HK$250.04
單位
Precision Through Hole PDIP Dual 1 8 - 16MHz - ±15V 55V/µs - +85 °C -25 °C
RS庫存編號 102-5582
製造零件編號OPA656U
HK$90.249
毎管:75 個
單位
- Surface Mount SOIC Dual 1 8 - 230MHz - ±5V 290V/µs - +85 °C -40 °C
RS庫存編號 759-0052
製造零件編號AD827AQ
HK$174.42
單位
General Purpose Through Hole PDIP Dual 2 8 - 50MHz - ±5 → ±15V 300V/µs - +85 °C -40 °C
RS庫存編號 159-8120
製造零件編號AD827AQ
HK$153.707
毎管:48 個
單位
General Purpose Through Hole PDIP Dual 2 8 - 50MHz - ±5 → ±15V 300V/µs - +85 °C -40 °C
RS庫存編號 620-0060
製造零件編號OPA656U
HK$104.79
單位
- Surface Mount SOIC Dual 1 8 - 230MHz - ±5V 290V/µs - +85 °C -40 °C
RS庫存編號 545-6515
製造零件編號LT1366CS8#PBF
HK$79.18
單位
Low Power, Precision Surface Mount SOIC Dual, Single 2 8 3 → 28 V 400kHz - ±12 V, ±3 V, ±5 V, ±9 V 0.13V/µs - +85 °C -40 °C
RS庫存編號 218-8281
製造零件編號OPA2132PA
HK$59.97
單位
Precision Through Hole PDIP Dual 2 8 - 8MHz - ±15V 20V/µs - +85 °C -40 °C
RS庫存編號 121-8498
製造零件編號OPA2132PA
HK$49.09
毎管:50 個
單位
- - - - - - - - - - - - - -
RS庫存編號 371-1286
製造零件編號UA741CP
HK$3.708
毎管:50 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$2.90
/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 145-0113
製造零件編號LM324D
HK$2.348
毎管:50 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 305-311
製造零件編號UA741CP
HK$4.496
/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 889-5689
製造零件編號MCP6001T-I/OT
BrandMicrochip
HK$1.824
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 698-9041
製造零件編號MCP6001T-I/OT
BrandMicrochip
HK$6.85
單位
General Purpose Surface Mount SOT-23 Single 1 5 3 V, 5 V 1MHz - - 0.6V/µs - +85 °C -40 °C