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Common Examples of Integrated Circuits: How ICs Function?

Common Examples of Integrated Circuits: How ICs Function?

Looking for a comprehensive guide on ICs? This article covers everything from how ICs function to typical examples of integrated circuits in use today.
integrated circuits

An integrated circuit, or IC, is a small electronic device that consists of interconnected electronic components, or transistors, on a single semiconductor chip. The components can perform various electronic tasks when connected to an IC. ICs are used in various electronic devices, from cell phones to computers. These components are typically made from silicon, which is extremely good at conducting electricity. 

What are Integrated Circuits?

ICs are produced by lithography, a process of using light to transfer a pattern onto a silicon wafer. The wafer is then etched, or carved, to create the desired circuit pattern. The resulting IC is then enclosed in a plastic or metal package.

ICs offer a number of advantages over traditional discrete electronic components or transistors that are not interconnected. ICs are smaller, more reliable, and consume less power. In addition, ICs can be manufactured more cheaply and in more significant quantities than discrete components.

Let’s dive into the technicalities of Integrated Circuits and see how they’re used in electronic devices in today’s world. Also, let’s look into real examples of ICs that are most commonly used. 

integrated circuits

How are Integrated Circuit ICs used in Electronic Devices?

ICs are used in various electronic devices, from simple calculators to complex computers. They are mass-produced using a process known as photolithography, which involves using light to etch patterns onto a piece of silicon.

They are often found in devices required to perform complex tasks, such as computers and cell phones. ICs are also used in simpler electronic devices, such as digital watches.

ICs typically have a very high degree of reliability because they are typically made up of thousands of components that all have to work correctly for the IC to function properly.

How Integrated Circuit ICs Function?

ICs perform two primary functions: amplify electrical signals and switch electrical signals.

Transistors perform the amplification function. Transistors are electronic devices that can amplify or switch electronic signals. The transistors in an IC are connected to form an amplifier. The output of the amplifier is an amplified version of the input signal.

Various electronic components perform the signal-switching function, including diodes and transistors. These components are connected to form a switch. The switch controls the flow of electrical current in the circuit. When the switch is closed, current can flow through the circuit. When the switch is open, current cannot flow through the circuit.

How are Modern integrated circuits Designed and Constructed? 

The design and construction of modern integrated circuits is a complex process that involves many different steps. The first step is the design of the circuit itself. This is usually done by a team of engineers using specialized software. 

Once the design is complete, it is sent to a fabrication plant where it is manufactured. The fabrication process is also quite complex, and ensuring that the final product meets all the specifications is essential. Once the circuit is fabricated, it is tested to ensure it works properly. Finally, it is packaged and shipped to the customer.

integrated circuits

Types of Integrated Circuits

Integrated circuits, or ICs, are tiny chips found in almost every electronic device. There are three main types of ICs: digital, analog, and mixed-signal.

Digital ICs are the most common type and are used in everything from computers to cell phones. Analog ICs are used in devices requiring continuous signals, such as audio amplifiers. Mixed-signal ICs contain both digital and analog circuitry.

How did ICs usage improve throughout the years?

While the first integrated circuits were developed in the early 1960s, they are now found in various electronic devices. Integrated circuits are used in everything from the most straightforward calculators to the most sophisticated computers. They are also used in many other devices, such as automobiles, televisions, and microwave ovens. Many everyday household items contain integrated circuits. For example, most telephones have at least one integrated circuit.

Common Real Examples of Integrated Circuit

Integrated circuits are found in various electronic devices, from the most straightforward calculators to the most sophisticated computers. They are also used in many other devices, such as automobiles, televisions, and microwave ovens. Many everyday household items contain integrated circuits. For example, most telephones have at least one integrated circuit.

Microprocessors ICS

Microprocessors and integrated circuits (ICs) are electronic components used in various devices, from computers and cell phones to automobiles and appliances. Microprocessors are the brains of these devices, performing calculations and controlling the other components. ICs are microprocessors’ building blocks and are also used in many other types of electronic devices.

Microcontroller ICS

Microcontroller ICs, or microcontrollers, are tiny computers on a chip that powers many of the devices we use daily, including automobiles, appliances, and toys. A microcontroller contains a single chip’s processor, memory, and input/output peripherals. Microcontrollers are used in various applications, including automotive, industrial, consumer, and office automation.

Voltage Regulator ICs 7805, 7812, 7824

Voltage regulator ICs 7805, 7812, and 7824 regulate the voltage in electronic circuits. These ICs are available in various packages and can be used in various applications. 7805 is a positive voltage regulator, while 7812 is a negative voltage regulator. 7824 is a dual voltage regulator that can be used to regulate both positive and negative voltages.

Smartphone Processor IC

A smartphone processor IC, or system on a chip (SoC), is a complete system on a single chip that integrates all smartphone components onto a single chip. This includes the processor, graphics processing unit (GPU), memory, I/O interfaces, and power management unit (PMU).

The first smartphone SoC was the Apple A4, which was used in the iPhone 4. Today, there is a wide variety of smartphone SoCs available from several different manufacturers.

How ICs help in reducing the size of smartphones?

One of the key benefits of using an SoC in a smartphone is that it enables a smaller form factor. Integrating all the components onto a single chip makes it possible to reduce the phone’s overall size. It is essential in today’s market, where phone manufacturers are constantly looking for ways to reduce the size of their devices.

ICs also enable Smartphones to improve battery life.

Another benefit of using an SoC is that it can help to improve battery life. By integrating all the components onto a single chip, there are fewer components that need to be powered on at any given time. This can help to reduce power consumption and extend battery life.

How are ICs able to optimize performance in smartphones?

SoCs are also typically more reliable than discrete components, as there are fewer potential points of failure. And, because all the components are on a single chip, they can be better optimized to work together, improving performance.

Overall, smartphone SoCs offer several benefits over using discrete components. They enable a smaller form factor, can help to improve battery life, are more reliable, and offer better performance.

555 timer IC

A 555 timer IC is a chip that can be used to generate accurate time delays and oscillations. It is widely used in electronic circuits and is often considered one of the most versatile ICs. The 555 can be used to create a wide variety of circuits, including timers, oscillators, and light-sensitive switches.

Motor Driver IC L293D, L293NE

L293D and L293NE are popular motor driver ICs often used in DC motor applications. They are both dual H-bridge drivers, meaning that they can control two DC motors independently. They can also be used to drive a single bipolar stepper motor.

L293D has a built-in flyback diode, while L293NE does not. This means that L293D can be used with inductive loads, such as motors, without needing an external flyback diode. L293NE cannot be used with inductive loads and requires an external flyback diode.

L293D can supply up to 1A per channel, while L293NE can only supply up to 600mA per channel. This makes L293D a better choice for applications that require higher currents.

Both ICs are available in standard through-hole and surface-mount packages.

LED Driver IC 7733

An LED driver IC is a type of integrated circuit that is used to control the operation of an LED, or Light Emitting Diode. The most common type of LED driver IC is the DC-DC converter, which converts the DC voltage from the power supply into a regulated DC voltage that is suitable for driving an LED.

Other types of LED driver ICs include linear regulators, switch-mode regulators, and current-regulating drivers. Linear regulators are the simplest and most common type of LED driver IC, and are typically used for low-power applications.

Switch-mode regulators are more efficient than linear regulators and are typically used for high-power applications. Current-regulating drivers regulate the current flowing through the LED, rather than the voltage, and are typically used for applications where precise control of the LED current is required.

Bridge Rectifier IC RB156

A bridge rectifier IC is a particular type of rectifier that is which converts alternating current (AC) into direct current (DC). This IC is made up of four diodes that are arranged in a bridge configuration.

The advantage of using a bridge rectifier IC is that it can be used with either AC or DC input voltages. Additionally, the bridge rectifier IC is more efficient than a standard rectifier because it does not require a large transformer.

Power Amplifier IC LM384, LM386

A power amplifier IC is a device that amplifies an audio signal to drive a speaker. The LM384 and LM386 are two popular power amplifier ICs.

The LM384 is a power amplifier designed for use in low-voltage applications. It can operate on voltages as low as 3 volts and can deliver up to 1 watt of power.

The LM386 is a kind of power amplifier designed for use in applications where higher power is required. It can operate on voltages as low as 4 volts and can deliver up to 8 watts of power.

Both the LM384 and LM386 are widely used in a variety of audio applications, such as portable speakers, sound cards, and car stereo systems.

Logic Gate ICs – IC 7400, 7402

There are many different types of logic gate ICs available on the market, but the two most popular are the 7400 and 7402. The 7400 is a quad 2-input NAND gate, while the 7402 is a quad 2-input NOR gate. Both of these ICs are widely used in digital circuit design because of their versatility and low cost.

The 7400 IC can create any logic gate type, including AND, OR, NAND, and NOR gates. This makes it very useful for creating complex digital circuits. The 7402 IC is less versatile than the 7400, but it is still capable of creating a wide variety of logic gates.

Both of these ICs are very popular because they are very affordable and easy to use. If you are looking for a versatile logic gate IC, then the 7400 is a great choice. If you are looking for a more pocket-friendly option, then the 7402 is a good choice.

The Operational amplifier IC

The operational amplifier, or “op-amp,” is a fundamental building block of modern electronics. Op-amps are used in a wide variety of applications, from audio amplification to active filters and signal conditioning.

An op-amp typically has two positive and negative inputs and one output. The inputs apply a voltage to the op-amp’s internal amplifier stage. The output of the amplifier stage is then fed back to the inputs through feedback resistors.

How do Op-amps make conditional circuits possible? 

The output voltage of an op-amp is proportional to the difference between the voltages applied to the positive and negative inputs. If the positive input voltage is greater than the negative input voltage, the output voltage will be positive. Conversely, if the negative input voltage is greater than the positive input voltage, the output voltage will be negative.

The ratio of the feedback resistors determines the gain of an op-amp. A high-gain op-amp will have a large ratio of feedback resistors, while a low-gain op-amp will have a small ratio of feedback resistors.

Op-amps are used in a wide variety of circuits, including audio amplifiers, active filters, and signal conditioning circuits.


The development of ICs has led to a dramatic increase in the complexity of electronic devices. Today, ICs can contain millions of transistors, which are tiny electronic switches that are used to perform the logic operations required by a computer. The use of ICs has allowed manufacturers to create smaller, more powerful, and more energy-efficient electronic devices.



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