FSA859UCX

Switch Time (Ton, Toff) (Max):	25ns, 20ns
Base Part Number:	FSA859
Supplier Device Package:	8-WLCSP (1.91x0.91)
Package / Case:	8-UFBGA, WLCSP
Operating Temperature:	-40°C ~ 85°C (TA)
Crosstalk:	-55dB @ 1MHz
Current - Leakage (IS(off)) (Max):	10nA
Channel Capacitance (CS(off), CD(off)):	50pF
Charge Injection:	70pC
-3db Bandwidth:	60MHz
Series:	--
Voltage - Supply, Dual (V±):	--
Voltage - Supply, Single (V+):	1.65 V ~ 5.5 V
Channel-to-Channel Matching (ΔRon):	--
On-State Resistance (Max):	750 mOhm
Number of Circuits:	1
Multiplexer/Demultiplexer Circuit:	2:1
Switch Circuit:	SPDT
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

Analog switches, multiplexers, and demultiplexers are important components in many electronic systems, and they are used to select or connect different signals or parts of circuits in order to provide various signal routing and manipulation functions. The FSA859UCX is an industry-leading analog switch that provides high-bandwidth, low-charge device switching for signal routing and signal conditioning applications, high-asynchronous sample-and-hold applications and signal movement applications.

FSA859UCX Application Field

The FSA859UCX is an advanced analog switch suitable for high-speed, low-noise signal routing, signal conditioning, and zoom-in amplifier applications. It is available in a wide range of single-, dual-, and triple-channel versions and can interface to several state-of-the-art analog interfaces, such as compapads and MIL-STD-1553. It is designed with 8 channel multiplexers and can be used to bridge between A/D and D/A coverage as well as between various digital and analog signals.In addition to providing switching capabilities, the FSA859UCX can also be used in signal conditioning applications. With its fast switching speed, clean bandwidth and low insertion loss, the device can be used to provide a clean and low-noise signal distribution in applications such as high-precision enterprise monitoring and digital signal processing (DSP).The FSA859UCX is also ideal for use in automobile infotainment systems, where it can be used to provide a clean signal path between the main unit and other audio/video components. Additionally, it is well-suited for medical device applications where it can be used for image processing, biomedical monitoring and instrument control.

FSA859UCX Working Principle

The FSA859UCX is designed to provide high-speed, low-noise signal routing and conditioning. It features an array of eight high-bandwidth N-channel (PMOS) transistors that can be used to select or connect various signals and signals paths. The chip also contains two logic level control inputs that are used to select which of the eight channels will be active. The logic input signals used to select the channels must be compatible with the CMOS switching threshold, which is set to 0.8V.In addition to its fast switching speed, the FSA859UCX also features low charge injection, low static power consumption and wide frequency response. In order to ensure reliable switching performance, the device features a low on resistance and very low distortion. The circuit also includes an externally adjustable charge pump for added flexibility in applications that require a high degree of control.

Conclusion

The FSA859UCX is an industry-leading analog switch that provides high-bandwidth, low-charge device switching for signal routing and signal conditioning applications, high-asynchronous sample-and-hold applications and signal movement applications. It features an array of eight high-bandwidth N-channel (PMOS) transistors that can be used to select or connect various signals and signals paths, and two logic level control inputs that are used to select which of the eight channels will be active. Additionally, the device has low static power consumption, low charge injection, wide frequency response and an externally adjustable charge pump for added flexibility. With its wide range of features and capabilities, the FSA859UCX is an ideal choice for high-precision enterprise monitoring, digital signal processing, automobile infotainment systems and medical device applications.

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