SN74LV4051ADG4

Switch Time (Ton, Toff) (Max):	14ns, 14ns
Base Part Number:	SN74LV4051A
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Crosstalk:	--
Current - Leakage (IS(off)) (Max):	100nA
Channel Capacitance (CS(off), CD(off)):	0.5pF, 23.4pF
Charge Injection:	--
-3db Bandwidth:	35MHz
Series:	--
Voltage - Supply, Dual (V±):	--
Voltage - Supply, Single (V+):	2 V ~ 5.5 V
Channel-to-Channel Matching (ΔRon):	1.3 Ohm
On-State Resistance (Max):	75 Ohm
Number of Circuits:	1
Multiplexer/Demultiplexer Circuit:	8:1
Switch Circuit:	--
Part Status:	Active
Packaging:	Tube

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SN74LV4051ADG4 Introduction

The SN74LV4051ADG4 is an 8-channel analog multiplexer from Texas Instruments. It is part of their Semiconductor series of low-voltage logic integrated circuits which have been designed for logical circuitry at reduced voltage levels compared to standard logic devices. This device is made to meet the various application requirements of industrial, computing, consumer and communication applications. It is classified as an interface device, along with analog switches, multiplexers, demultiplexers and others.

SN74LV4051ADG4 Features

The SN74LV4051ADG4 is a 16-pin, SOIC16 package and contains several important features that make this device a great choice for designers and engineers. First, the device has TTL and CMOS logic compatibility and noise immunity, which makes it a better choice than standard logic devices. Also, the device has low power consumption, and is rated at a maximum of 1.6 mA on a 3V supply voltage. Furthermore, the device also has excellent on-state resistance with a nominal value of 0.1 ohms. This provides low channel-to-channel interference and noise, which is important in low-voltage applications. Finally, the device can be cascaded for greater channel count.

SN74LV4051ADG4 Application Field

The SN74LV4051ADG4 is mainly used for analog signal multiplexing and demultiplexing in a variety of application fields. In consumer applications, it is used for audio/video signal control, such as stereo receivers with surround sound. In automotive applications, the device is used for car audio system controls, such as speakers and amplifiers. Industrial applications include machine control, such as the automation of manufacturing, and other implementations of logic systems. Computing applications include the use of the device in analog-to-digital converters and ad-blocking circuitry, which protects the monitor against interference and noise. Communication applications include the use of the device in multiplexers and demultiplexers for telecommunication systems. Finally, other applications of the device include its use in control systems, security systems, and other consumer electronics.

SN74LV4051ADG4 Working Principle

The SN74LV4051ADG4 is a low voltage analog multiplexer with 8 channels, each with a dedicating selection pin. The device functions by connecting one of its input pins to the output pin. The selection pin is used to control which input channel is passed to the output pin. When a logic-high voltage is applied on the selection pin, one of the channel is connected to the output pin. The other channels are disconnected from the output and are prevented from passing a signal onto the output. The device also contains an active low input pin called the enable pin. When this pin is supplied with a logic low voltage, all the channels are disconnected from the output. This results in the output remaining in a high impedance state. Furthermore, the enable pin also has an override function, in which whenever this pin is driven to low, it will override any selection of channels, thus forcing all the channels to remain disconnected from the output.

Conclusion

In conclusion, the SN74LV4051ADG4 is a low voltage analogue multiplexer with 8 channels, a selection pin and an enable pin. It is used primarily in analog signal multiplexing and demultiplexing for numerous applications such as consumer, industrial, computing and communication systems. The device functions by connecting one of the its input pins to the output pin under the control of a selection pin or when the enable pin is supplied with a logic-low voltage.

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