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FSA3051TMX
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Product Detailed Parameters
- Description：IC SWITCH SPDT X 1 10OHM 6TMLP
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Switch Circuit：SPDT
- Multiplexer/Demultiplexer Circuit：2:01
- On-State Resistance (Max)：10Ohm
- Channel-to-Channel Matching (ΔRon)：350mOhm
- Voltage - Supply, Single (V+)：1.6V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：34ns, 23ns (Typ)
- -3db Bandwidth：1GHz
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：3.3pF
- Current - Leakage (IS(off)) (Max)：2µA
- Crosstalk：-23dB @ 240MHz
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-XFDFN
- Supplier Device Package：6-TMLP (1X1)
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The FSA3051TMX is a single-channel SPDT analog switch manufactured by onsemi, formerly Fairchild Semiconductor. It operates within a supply voltage range of 1.6 V to 5.5 V and features a maximum on-resistance of 25 Ohms. The device supports over-voltage tolerance up to the supply rail, ensuring signal integrity during fault conditions. Key timing parameters include a maximum turn-on time of 110 ns and a maximum turn-off time of 50 ns. It functions reliably across an extended temperature range from -40°C to +85°C. The component is housed in a TMLP-6 surface-mount package and draws a maximum supply current of 1 µA.
Feature Summary
- Supports bidirectional signal switching with over-voltage tolerance extending beyond the power supply rails.
Applications
- USB port protection and switching circuits
- Cellular phone peripheral interfaces
- Portable multimedia devices requiring low-power signal routing
Procurement Notes
Verify the specific ordering suffix to confirm the tape and reel quantity and packaging variant. Confirm RoHS compliance status through the manufacturer's official documentation before integration. Check for end-of-life notifications as the part may be designated as not recommended for new designs. Ensure the supplier provides valid traceability documents matching the original manufacturer's specifications.
Selection Notes
Select this component when a single-pole double-throw configuration is required for low-voltage digital or analog signals. The low on-resistance makes it suitable for maintaining signal quality in data lines. Verify that the operating voltage remains within the 1.6 V to 5.5 V window. Consider the TMLP-6 package dimensions for PCB layout constraints compared to larger packages.
Part Context
This part belongs to the FSA3051 series of analog switches designed for portable electronics. It serves as a replacement for legacy Fairchild Semiconductor components following the company's rebranding to onsemi. The series focuses on providing robust protection and efficient signal path management in space-constrained mobile applications.
Replacement Considerations
Check for direct pin-compatible alternatives within the same family if availability is limited. Verify that any substitute maintains the same 25 Ohm on-resistance and 1.6 V minimum operating voltage. Ensure the replacement package matches the TMLP-6 footprint to avoid PCB redesign.
