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FSA2258L10X
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Product Detailed Parameters
- Description：IC SW SPDTX2 500MOHM 10MICROPAK
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：500mOhm (Typ)
- Channel-to-Channel Matching (ΔRon)：80mOhm
- Voltage - Supply, Single (V+)：1.65V ~ 4.3V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：55ns, 30ns
- -3db Bandwidth：50MHz
- Charge Injection：25pC
- Channel Capacitance (CS(off), CD(off))：3.3pF
- Current - Leakage (IS(off)) (Max)：10nA
- Crosstalk：-100dB @ 100kHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-UFQFN Exposed Pad
- Supplier Device Package：10-MicroPak™
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The onsemi FSA2258L10X is a dual single-pole double-throw (SPDT) analog switch housed in a 10-MicroPak package. It operates within a supply voltage range of 1.65V to 4.3V and features a typical on-resistance of 500 milliohms with a maximum channel-to-channel matching of 80 milliohms. The device provides a -3dB bandwidth of 50MHz, charge injection of 25pC, and a maximum leakage current of 10nA. Switching times are specified at 55ns for turn-on and 30ns for turn-off, with an operating temperature range from -40°C to +85°C.
Feature Summary
- Dual SPDT configuration enabling two independent signal paths
- Low on-resistance for minimal signal attenuation
- High bandwidth supporting high-frequency signal integrity
- Compact surface-mount packaging for space-constrained designs
Applications
- Mobile handsets and portable media players
- Wireless LAN cards and broadband access devices
- Storage peripherals and servers
Procurement Notes
Verify component status as the FSA2258L10X is officially listed as obsolete by the manufacturer. Confirm availability through authorized distributors or secondary market sources, noting that inventory may be limited once existing stock is depleted. Ensure compliance with RoHS3 specifications and check for any relevant Product Change Notices regarding manufacturing origin or material declarations prior to procurement.
Selection Notes
Select this component when designing low-voltage systems requiring dual signal routing within a 1.65V to 4.3V supply range. Consider its 500mΩ on-resistance and 50MHz bandwidth for applications demanding moderate signal fidelity. Evaluate the 10-MicroPak package dimensions against board space constraints. Verify that the 55ns/30ns switching speeds meet timing requirements for the specific signal path control logic.
Part Context
The FSA2258L10X belongs to the FSA2258 family of analog switches manufactured by onsemi. It is categorized under interface components, specifically analog switches, multiplexers, and demultiplexers. This series is designed for consumer electronics and mobile applications where low power consumption and small form factors are critical design parameters.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official cross-reference tools or contact technical support for verified alternatives.
