FSA859UCX

$0.37

Description：IC SWITCH SPDTX1 750MOHM 8WLCSP
Series：-

SKU:8283f4138456 Category: Analog Switches, Multiplexers, Demultiplexers Brand: Fairchild Semiconductor

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Product introduction

FSA859UCX is listed in the Analog Switches, Multiplexers, Demultiplexers range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is IC SWITCH SPDTX1 750MOHM 8WLCSP. Review the specifications below when checking this part for your BOM.

Analog Switches, Multiplexers, Demultiplexers specifications for FSA859UCX

Description：IC SWITCH SPDTX1 750MOHM 8WLCSP
Series：-
Mfr：Fairchild Semiconductor
Package：Bulk
Switch Circuit：SPDT
Multiplexer/Demultiplexer Circuit：2:01
On-State Resistance (Max)：750mOhm
Channel-to-Channel Matching (ΔRon)：-
Voltage - Supply, Single (V+)：1.65V ~ 5.5V
Voltage - Supply, Dual (V±)：-
Switch Time (Ton, Toff) (Max)：25ns, 20ns
-3db Bandwidth：60MHz
Charge Injection：70pC
Channel Capacitance (CS(off), CD(off))：50pF
Current - Leakage (IS(off)) (Max)：10nA
Crosstalk：-55dB @ 1MHz
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-UFBGA, WLCSP
Supplier Device Package：8-WLCSP (1.91x0.91)
Number of Circuits：1
Grade：-
Qualification：-

Analog Switches, Multiplexers, Demultiplexers datasheet and documents for FSA859UCX

FSA859UCX

Analog Switches, Multiplexers, Demultiplexers Overview

The FSA859UCX is a single-channel SPDT analog switch manufactured by onsemi, formerly Fairchild Semiconductor. It operates within a supply voltage range of 1.65V to 5.5V and features a maximum on-resistance of 750mΩ. The device provides a -3dB bandwidth of 60MHz with a charge injection of 70pC and leakage current of 10nA. Switching times are specified at 25ns for turn-on and 20ns for turn-off. It is housed in an 8-WLCSP package measuring 1.91x0.91mm and supports an operating temperature range from -40°C to 85°C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

Single-pole double-throw (SPDT) configuration for signal routing
Low on-resistance for minimal signal attenuation
Compact wafer-level chip scale packaging

Analog Switches, Multiplexers, Demultiplexers Applications

Portable multimedia devices
Mobile phone audio paths
MP3 players and digital voice recorders

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify component authenticity through authorized distributors or certified secondary market suppliers. Confirm the part status as obsolete when planning long-term production. Ensure that any replacement components maintain compatible pinout and electrical specifications to avoid redesign efforts.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component for low-voltage applications requiring efficient signal switching. Evaluate the 750mΩ on-resistance against load requirements. Consider the 8-WLCSP footprint for space-constrained designs. Verify thermal performance within the specified operating temperature range.

Analog Switches, Multiplexers, Demultiplexers Part Context

This component belongs to the FSA85 series of analog switches designed for portable electronics. It represents a transition period where Fairchild Semiconductor products were integrated into onsemi's portfolio. The technology focuses on miniaturization and power efficiency for mobile communication devices.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

The TS5A6542YZPR from Texas Instruments is documented as a similar substitute. Verify functional equivalence regarding pin configuration and electrical parameters before implementation.

Explore related parts through Interface, Integrated Circuits (ICs), all product categories, ChipApex homepage.

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