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FSA2259UMX
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Product Detailed Parameters
- Description：IC SWITCH SPDTX2 500MOHM 10UMLP
- 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 ~ 4.4V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：55ns, 30ns
- -3db Bandwidth：50MHz
- Charge Injection：25pC
- Channel Capacitance (CS(off), CD(off))：30pF
- Current - Leakage (IS(off)) (Max)：10nA
- Crosstalk：-100dB @ 100kHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-UFQFN
- Supplier Device Package：10-UMLP (1.8x1.4)
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The FSA2259UMX is a dual Single Pole Double Throw (SPDT) analog switch manufactured by onsemi. It operates within a supply voltage range of 1.65 V to 4.4 V and features a maximum on-resistance of 500 mOhms. The device supports a DC switch current of 350 mA with a maximum power supply current of 100 nA. Switching performance includes a maximum turn-on time of 55 ns and a maximum turn-off time of 30 ns. It is housed in a UMLP-10 package and functions reliably across an operating temperature range from -40°C to +85°C.
Feature Summary
- Supports break-before-make switching operation for signal integrity
- Provides power-off protection on common ports
- Features TTL-level compatible select inputs
Applications
- Cell phones and PDAs
- Digital cameras and notebook computers
- LCD monitors, TVs, and set-top boxes
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status through the manufacturer's latest environmental declaration. Ensure the component matches the required UMLP-10 footprint dimensions for PCB layout compatibility before finalizing procurement orders.
Selection Notes
Select this component when low on-resistance and high bandwidth are required for portable consumer electronics. Verify that the 1.65 V minimum supply voltage aligns with the system's power rails. Ensure the UMLP-10 package size fits within the available board space constraints for mobile devices.
Part Context
The FSA2259 belongs to onsemi’s portfolio of multiplexers and crosspoint switches designed for high-speed signal routing. These devices typically offer low jitter and ESD protection suitable for mobile handsets and media tablets. The series meets JEDEC latchup test specifications for robust industrial and consumer applications.
Replacement Considerations
Consult official substitution guides for verified equivalents. Generic SPDT switches may not match the specific 0.8Ω typical on-resistance or the 50MHz bandwidth characteristics required for this application.
