CD4051BM

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CD4051BM

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IC MUX 8:1 240OHM 16SOIC

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規格

屬性 價值
PartStatus Obsolete
BaseProductNumber CD4051
Multiplexer/DemultiplexerCircuit 8:1
NumberofCircuits 1
On-StateResistance(Max) 240Ohm
Channel-to-ChannelMatching(ΔRon) 5Ohm
Voltage-Supply,Single(V+) 3V ~ 20V
Voltage-Supply,Dual(V±) ±2.5V ~ 9V
-3dbBandwidth 20MHz
ChannelCapacitance(CS(off),CD(off)) 0.2pF, 30pF
Current-Leakage(IS(off))(Max) 100nA
OperatingTemperature -55°C ~ 125°C (TA)
MountingType Surface Mount
Package 16-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 16-SOIC
Packaging Tube

概述

Description

The CD4051BM is an integrated circuit used for analog signal multiplexing and demultiplexing. It is part of the 4000 series CMOS logic family and features an 8-channel multiplexer/demultiplexer. This IC allows one of eight inputs to be connected to a single output line, or vice versa, making it ideal for applications requiring signal routing, such as data acquisition systems, audio processing, and instrumentation.
Key features of the CD4051BM include low power consumption, high noise immunity, and a wide power supply range, typically from 3V to 15V. It operates using three binary control inputs to select the specific channel, and these inputs are compatible with standard CMOS logic levels. The device also provides break-before-make switching, ensuring that no cross-channel interference occurs during operation.
The CD4051BM is commonly used in both analog and digital domains, supporting a variety of applications due to its versatility. It's available in different package types, facilitating its integration into various circuit designs.

Equivalent

The CD4051BM is an analog multiplexer/demultiplexer IC. Equivalent or similar products include:
1. CD4051BE
2. MC14051B
3. 74HC4051
4. MAX4051
5. HEF4051B
These equivalents often have similar functionality, but check the datasheets for differences in electrical characteristics, voltage ranges, and package types to ensure compatibility with your application.

Features

The CD4051BM is an analog multiplexer/demultiplexer IC that features a single 8-channel configuration. It allows analog or digital signals to be routed from one input to one of eight outputs. Key features include:
1. Wide Supply Voltage Range: Operates from 3V to 20V, making it versatile for various applications.
2. Low Power Consumption: CMOS technology ensures minimal power usage.
3. Low ON Resistance: Approximately 125 ohms at a VDD of 15V, allowing efficient signal transfer.
4. High Noise Immunity: Provides reliable performance in noisy environments.
5. Latch-Up Performance: Withstands over ±100mA, ensuring robust operation.
6. Signal Range: Capable of handling signals up to VDD in both analog and digital modes.
7. Break-Before-Make Switching: Prevents channels from shorting during transition, protecting signals and the device.
8. Fast Switching Speeds: Suitable for high-frequency applications.
These features make the CD4051BM suitable for applications like data acquisition systems, audio signal routing, and multiplexing signals in embedded systems.

Pinout

The CD4051BM is a single 8-channel analog multiplexer/demultiplexer integrated circuit. It is a 16-pin device, and its main function is to route analog or digital signals from one common input/output line to one of the eight individual input/output lines (or vice versa), controlled by a 3-bit binary address. The pin configuration is as follows:
1. VSS (Pin 8): Ground.
2. VDD (Pin 16): Positive supply voltage.
3. VEE (Pin 7): Negative supply voltage or the logic ground for single supply.
4. INH (Pin 6): Inhibit control input, disables all channels when high.
5. A, B, C (Pins 11, 10, 9): Address pins for selecting one of the eight channels.
6. COM (Pin 3): Common input/output.
7. Y0 to Y7 (Pins 13, 14, 15, 12, 1, 5, 2, 4): Individual channel input/outputs.
The CD4051BM is used in applications such as data routing, analog signal multiplexing, and demultiplexing. It can handle both analog and digital signals, making it versatile for various electronic circuits.

Manufacturer

The CD4051BM is manufactured by Texas Instruments, an American technology company. Texas Instruments is a global leader in the design and manufacturing of semiconductors and integrated circuits, which are used in a wide range of electronic applications. Founded in 1930 and headquartered in Dallas, Texas, the company is one of the largest semiconductor manufacturers in the world. Texas Instruments specializes in analog chips and embedded processors, along with other electronic components.

Application

The CD4051BM is a versatile analog multiplexer/demultiplexer IC used primarily in electronic signal routing. Its application areas include:
1. Signal Multiplexing: Switching between multiple analog signals in data acquisition systems.
2. Data Routing: Routing signals in communication systems for efficient data management.
3. Audio Switching: Managing multiple audio inputs and outputs in audio processing equipment.
4. Sensor Interface: Interfacing multiple sensors to a microcontroller or ADC in embedded systems.
5. Instrument Control: Used in test and measurement equipment for channel selection.
6. Home Automation: Enabling control of various signals and devices in home automation systems.
Its capability to handle both analog and digital signals makes it suitable for a wide range of electronic applications.

Package

The CD4051BM is an IC that comes in a small-outline integrated circuit (SOIC) package type. This package is designed for surface mounting on a printed circuit board (PCB) and typically features 16 pins.

Frequently Asked Questions


Q: What is the maximum on-state resistance of the CD4051BM?
A: The maximum on-state resistance is 240 Ohms, with a channel-to-channel matching of 5 Ohms.


Q: What is the single supply voltage range for this multiplexer?
A: It operates with a single supply voltage from 3V to 20V, or dual supplies from ±2.5V to ±9V.


Q: What is the -3dB bandwidth of the CD4051BM?
A: The -3dB bandwidth is 20 MHz, suitable for analog signal switching up to that frequency.


Q: Can this device be used in extreme temperature environments?
A: Yes, it operates across a wide temperature range from -55°C to +125°C.


Q: What is the channel leakage current for the CD4051BM?
A: The maximum off-state leakage current is 100 nA, ensuring minimal signal interference.


Q: Is the CD4051BM a 8:1 multiplexer/demultiplexer?
A: Yes, it is a single-circuit 8:1 multiplexer/demultiplexer with a 16-SOIC surface mount package.


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