74HC4851D

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74HC4851D

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Multiplexer Switch ICs 5V 8 M/DEM INJ CURRENT CONTROL

  • Nhà sản xuấtNexperia

  • Ông. Phần #74HC4851D

  • Có sẵn17384

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Description

The 74HC4851D is an integrated circuit from the 74HC series, known for its high-speed CMOS logic. It is an analog multiplexer/demultiplexer that features a single 8-channel configuration. This means it can connect one of the eight input/output lines to a common input/output, effectively allowing it to control analog or digital signals. The device operates on a wide supply voltage range from 2V to 6V, making it versatile for various applications.
Key features include low ON resistance, low power consumption, and fast switching times, making it suitable for high-speed data routing and signal processing tasks. The control of the multiplexer is achieved through three address pins, allowing binary selection among the eight channels. Additionally, the device includes an enable pin for easy switching between active and inactive states.
The 74HC4851D is commonly used in applications such as data acquisition systems, communication systems, and instrumentation where multiple signals need to be routed through a single line efficiently. Its compatibility with TTL and CMOS logic levels further expands its usability in mixed-signal environments.

Equivalent

The 74HC4851D is an 8-channel analog multiplexer/demultiplexer. Equivalent products include:
1. CD4051 from Texas Instruments
2. MAX4051 from Maxim Integrated/Analog Devices
3. MC74HC4051 from ON Semiconductor
4. HEF4051B from Nexperia
5. SN74HC4051 from Texas Instruments
These chips generally serve similar functions with varying specifications, so it is important to check the datasheets for compatibility with your application.

Features

The 74HC4851D is an 8-channel analog multiplexer/demultiplexer featuring low power consumption and high-speed operation. It is fabricated with silicon gate CMOS technology, which ensures high noise immunity and low power dissipation. Key features of the 74HC4851D include:
1. 8-Channel Multiplexer/Demultiplexer: Can switch one analog signal to one of eight channels or vice versa.
2. Wide Operating Voltage Range: Works efficiently from 3V to 10V, making it versatile for various applications.
3. Low ON Resistance: Ensures minimal signal distortion or loss by providing very low resistance when activated.
4. High-Speed Operation: Suitable for high-speed applications due to its fast switching capabilities.
5. Low Power Consumption: Makes it energy-efficient and suitable for battery-powered devices.
6. TTL-Compatible Inputs: Ensures compatibility with TTL logic devices, broadening its application scope.
7. Latch-Up Performance: Designed to prevent latch-up under typical operating conditions.
These features make the 74HC4851D a reliable choice for multiplexing applications in digital and analog signal processing systems.

Pinout

The 74HC4851D is a high-speed CMOS device functioning as an analog multiplexer/demultiplexer. It has 16 pins and can operate as an 8-channel multiplexer or demultiplexer. Here’s a brief overview of its pin functions:
1. VCC: Power Supply
2. GND: Ground
3. COM: Common input/output
4. S0, S1, S2: Address selection inputs for the multiplexer/demultiplexer
5. E (Enable): Active LOW enable input; when HIGH, disables the switch
6. Yn (Y0 to Y7): Independent input/output channels
The device routes signals between the common terminal (COM) and one of the 8 channels (Y0 to Y7) depending on the binary value applied to the address selection inputs (S0 to S2). The enable pin (E) activates or deactivates the multiplexer/demultiplexer function.

Manufacturer

The 74HC4851D is a product manufactured by Nexperia. Nexperia is a global semiconductor company that specializes in producing discrete components, logic devices, and MOSFETs. Headquartered in Nijmegen, Netherlands, Nexperia was established as an independent company in 2017 after being spun off from NXP Semiconductors. The company focuses on efficiency and performance in its product offerings, catering to a wide range of applications in the automotive, industrial, computing, and consumer electronics markets. Nexperia prides itself on high-volume production capabilities and a robust portfolio of semiconductor components.

Application

The 74HC4851D is an analog multiplexer/demultiplexer used in various applications including data acquisition systems, signal routing in communication systems, and sensor arrays. It is ideal for audio and video signal multiplexing due to its low on-resistance and wide bandwidth. The device is also used in instrumentation systems for channel selection, and in embedded systems for interfacing with multiple analog signals while minimizing the number of required I/O pins. Its capability to handle both analog and digital signals makes it suitable for mixed-signal applications. Additionally, it finds use in automotive electronics for multiplexing sensors or control signals.

Package

The 74HC4851D is a high-speed CMOS analog multiplexer/demultiplexer IC in a SOIC-16 (Small Outline Integrated Circuit) package type. This package is compact, surface-mount, and has 16 pins, suitable for modern electronic circuits requiring space efficiency and high performance.

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