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Product Attributes

Feature

The integrated circuit has the advantages of small volume, light weight, less lead wire and welding points, long life, high reliability, good performance, and low cost, convenient for mass production.  Using integrated circuit to assemble electronic equipment, its assembly density can be increased dozens of times to thousands of times than the transistor, the stable working time of equipment can also be greatly improved.

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IC integrated circuit is not only widely used in industrial and civil electronic equipment such as radio recorder, TV set and computer, but also widely used in military, communication and remote control.

According to their different functions and structures, integrated circuits can be divided into analog integrated circuits, digital integrated circuits and digital/analog hybrid integrated circuits.

Analog integrated circuits, also known as linear circuits, are used to generate, amplify and process various analog signals (signals whose amplitude varies with the time frontier).  For example, the audio signal of a semiconductor radio, the tape signal of a VCR, etc.), the input signal and the output signal are proportional.

Digital integrated circuits are used to generate, amplify and process various digital signals (i.e., signals with discrete values in time and amplitude.  For example, VCD, DVD playback audio signal and video signal).

According to the different degree of integration, it can be divided into four types: small scale, medium scale, large scale and very large scale integrated circuits.

For analog integrated circuits, due to higher process requirements and more complex circuits, it is generally considered that integration of less than 50 components for small-scale integrated circuits, integration of 50-100 components for medium scale integrated circuits, integration of more than 100 components for large-scale integrated circuits.

For digital integrated circuit, it is generally considered that the integrated circuit with 1 ~ 10 equivalent gates/piece or 10 ~ 100 components/piece is a small-scale integrated circuit, and the integrated circuit with 10 ~ 100 equivalent gates/piece or 100 ~ 1000 components/piece is a medium scale integrated circuit.  Integration of 100 ~ 10,000 equivalent gates/piece or 1000 ~ 100,000 components/piece is a large-scale integrated circuit, integration of more than 10,000 equivalent gates/piece or 100,000 components/piece is a very large scale integrated circuit

It can be divided into semiconductor integrated circuit, membrane integrated circuit and hybrid integrated circuit according to the different manufacturing process.

Semiconductor integrated circuit is an integrated circuit that uses semiconductor technology to make components including resistor, capacitor, transistor, diode and other components on silicon substrate and has some circuit functions.  Membrane integrated circuit is in glass or ceramic sheet and other insulating objects, in the form of “film” to make resistance, capacitance and other passive devices.  The value range of passive components can be very wide and the accuracy can be very high.  However, the technology level is not yet able to make active devices such as crystal diode and triode in the form of “film”, so the application range of membrane integrated circuit is greatly limited.  In the practical application, mostly in the passive membrane circuit plus semiconductor integrated circuit or discrete components of diode, transistor and other active devices, so as to form a whole, this is the hybrid integrated circuit.  According to the thickness of the film, the film integrated circuit is divided into thick film integrated circuit (film thickness of 1μm ~ 10μm) and thin film integrated circuit (film thickness of less than 1μm).  Semiconductor integrated circuits thick film circuits and a few hybrid integrated circuits are mainly encountered in household appliance maintenance and general electronic manufacturing.

According to different conduction types, it can be divided into bipolar integrated circuit and unipolar integrated circuit.

Bipolar IC has good frequency characteristics, but high power consumption, and complex production process. TTL, ECL, HTL, LSTTL and STTL in the vast majority of analog IC and digital IC belong to this category.

Monopole integrated circuit has low working speed, but high input impedance, low power consumption, simple manufacturing process and easy large-scale integration. Its main products are MOS integrated circuit.  MOS circuit is divided into NMOS, PMOS, CMOS

According to use can be divided into the TV with integrated circuit, audio with integrated circuits, DVD with integrated circuit, video recorder with integrated circuit, computer (computer) with integrated circuit, keyboard with IC integrated circuit, communication, camera used integrated circuit, remote control integrated circuits, integrated circuits, language alarm with integrated circuits and all kinds of application-specific integrated circuit .

1. The TV set with the integrated circuit including line, field scanning puts integrated circuits, integrated circuits, sound and color decoding IC integrated circuit, av/TV conversion IC, switching power supply IC, remote control integrated circuits, stereo decoding integrated circuit, picture in picture processing integrated circuit, microprocessor (CPU) IC, memory IC, etc.

2. Sound with integrated circuit includes an am/FM high frequency circuit, stereo audio decoding circuit, preamplifier circuit, audio amplifier IC, audio power amplifier IC, surround sound processing integrated circuit, level driving integrated circuit, electronic volume control IC, delay reverb integrated circuit, electronic switch integrated circuit and so on.

3. The integrated circuits used in DVD player include system control integrated circuit, video coding integrated circuit, MPEG decoding integrated circuit, audio signal processing integrated circuit, audio effect integrated circuit, RF signal processing integrated circuit, digital signal processing integrated circuit, servo integrated circuit, motor drive integrated circuit and so on.

4. Video recorder integrated circuit has system control integrated circuit, servo integrated circuit, drive integrated circuit, audio processing integrated circuit, video processing integrated circuit.

5. It can be divided into standard general integrated circuit and special integrated circuit according to the application field.

6. According to the shape can be divided into round (metal shell transistor package type, generally suitable for high power), flat type (good stability, small volume) and double in-line type.