FST3126M

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Bus Switch
Circuit:	1 x 1:1
Independent Circuits:	4
Current - Output High, Low:	--
Voltage Supply Source:	Single Supply
Voltage - Supply:	4 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	14-SOIC
Base Part Number:	3126

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Introduction

FST3126M is a logic signal switch, multiplexer and decoder, with a low on state resistance and low switching threshold voltage that makes it ideal for use in many advanced electronic applications. It is designed to provide high reliability performance and fast switching speeds. The FST3126M is also very easy to use and requires minimal external control signals.

Application Fields

FST3126M is designed for applications where the input and output signals may be digital or analog. It is suitable for use in a wide variety of industrial, automotive, and consumer applications such as motor control, power supplies, analog-to-digital conversion, data acquisition, filtering, and control systems. It is also suitable for use in audio and video applications, such as video switches, mixer control, and audio amplifier. FST3126M is especially suitable for use in noise sensitive applications, such as medical and office automation applications, due to its low on-state resistance and low switching threshold voltage. The low noise output allows for easier compatible design of high-order digital filters and programs, increasing the performance of these applications.

Working Principle

FST3126M utilizes an FET based structure, with a low on-state resistance for fast switching performance. The control signals are low voltage control, switching between low and high voltage logic states. An internal high speed output frequency control can be used to reduce the operating current. The FST3126M consists of three input signals, two controlled output signals and an enable signal, which can be connected directly to the control terminal. The two controlled outputs will switch when the input state is changed. When the enable terminal is High, the two outputs will be On and when the enable terminal is Low, the two outputs will be Off. The FST3126M requires a minimum operating voltage of 4.8V and a maximum operating voltage of 28V, allowing it to be used in applications where high voltage control is desired. It has a low On-state resistance of 8.2mΩ (Max) and a low switching threshold voltage of 1.4V (Max) for reliable performance in applications where low noise is necessary.

Conclusion

FST3126M is a low on-state resistance and low switching threshold voltage logic signal switch, multiplexer and decoder designed for use in a variety of industrial, automotive and consumer applications. The FST3126M is easy to use and requires a minimal external control signals. It has a low on-state resistance of 8.2mΩ (Max) and a low switching threshold voltage of 1.4V (Max) for reliable performance in applications where low noise is necessary.

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