FSA4157L6X

Switch Time (Ton, Toff) (Max):	35ns, 15ns
Base Part Number:	FSA4157
Supplier Device Package:	6-MicroPak
Package / Case:	6-UFDFN
Operating Temperature:	-40°C ~ 85°C (TA)
Crosstalk:	-70dB @ 1MHz
Current - Leakage (IS(off)) (Max):	2nA (Typ)
Channel Capacitance (CS(off), CD(off)):	12pF
Charge Injection:	20pC
-3db Bandwidth:	300MHz
Series:	--
Voltage - Supply, Dual (V±):	--
Voltage - Supply, Single (V+):	1.65 V ~ 5.5 V
Channel-to-Channel Matching (ΔRon):	60 mOhm
On-State Resistance (Max):	1.15 Ohm
Number of Circuits:	1
Multiplexer/Demultiplexer Circuit:	2:1
Switch Circuit:	SPDT
Part Status:	Active
Packaging:	Tape & Reel (TR)

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FSA4157L6X Application Field and Working PrincipleThe FSA4157L6X analog switches, multiplexers, and demultiplexers are a series of components developed by Fairchild Semiconductor to provide a new level of device performance in a tiny package. These components are designed to switch and multiplex signals between two or more analog-to-digital converter circuits. Additionally, since these components are designed to operate in high-speed applications, they are capable of providing very low latency and precise control of the analog signals.The FSA4157L6X analog switches, multiplexers and demultiplexers are formed from Fairchild\'s proprietary HCMOS technology, designed to minimize power consumption and minimize heat dissipation. The ultra-thin package profile of these components makes them ideal for cell phone, laptop and netbook applications, where space is a factor. The operating temperature range of the FSA4157L6X is -40°C to +85°C, and they are available in both quad and octal configurations. In the octal range, the FSA4157L6X is capable of withstanding up to 14mA of current at a voltage of up to 500mV.The FSA4157L6X analog switches, multiplexers, and demultiplexers are formed from Fairchild\'s proprietary HCMOS technology, which makes them suitable for a wide range of analog applications, such as low-noise audio switches, low power, highly reliable RF/microwave applications, and precision analog-to-digital conversion processing. The FSA4157L6X is available with an optional in-circuit ESD protection circuit, which provides additional protection from electrostatic discharge. Additionally, it has the ability to operate in both closed and open loop mode without any additional external components. The closed loop control enables precise control over the switch state, allowing for low-noise switching and precise control of analog signals. The FSA4157L6X also provides three levels of thermal protection, designed to protect it from overheating due to heavy switching loads. These thermal protection levels can be user-configured to trigger one of three levels of thermal protection, ranging from warning (no shut-off) to just turning the selected switch off. In conclusion, the FSA4157L6X analog switches, multiplexers and demultiplexers provide a reliable, low-cost solution to a variety of analog applications. With their low power consumption and excellent thermal protection, they are capable of providing reliable and precise control of analog signals in high-speed applications. With their potential for multiplexing and demultiplexing, they offer an optimal solution for digital-to-analog conversion and audio switching.

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