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FSA2156L6X
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Product Detailed Parameters
- Description：IC SW SPST-NOX1 360MOHM 6MICROPK
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST - NO
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：360mOhm (Typ)
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：1.65V ~ 4.3V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：55ns, 65ns
- -3db Bandwidth：80MHz
- Charge Injection：6pC
- Channel Capacitance (CS(off), CD(off))：38pF
- Current - Leakage (IS(off)) (Max)：10nA
- Crosstalk：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-UFDFN
- Supplier Device Package：6-MicroPak
- Number of Circuits：1
- Grade：-
- Qualification：-
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Overview
The FSA2156L6X is a Single-Pole Single-Throw (SPST) analog switch manufactured by onsemi. It operates within a supply voltage range of 1.65V to 4.3V and features an ultra-low typical on resistance of 0.4Ω at 2.7V, with a maximum of 0.7Ω at the same voltage. The device utilizes sub-micron CMOS technology for fast switching speeds, including turn-on times as low as 40ns and turn-off times up to 90ns depending on voltage. It offers broad bandwidth of 80MHz and low off-isolation of -65dB. The component is housed in a 6-lead MicroPak package.
Feature Summary
- Ultra-low on resistance ensures minimal signal loss across the operating voltage range.
- TTL-compatible control input allows direct interfacing with baseband processors and general-purpose I/Os.
- Low quiescent current extends battery life in mobile applications even when control voltage is lower than supply.
- Space-saving MicroPak packaging supports high-density circuit board layouts.
Applications
- USB 2.0 data line protection and switching
- Mobile handset signal routing
- Portable electronic devices requiring low power consumption
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct package type. Confirm that the component meets RoHS compliance requirements for your region. Check for any recent part number changes resulting from Fairchild Semiconductor integration into ON Semiconductor systems. Validate availability status directly with authorized distributors as product lifecycles may change.
Selection Notes
Select this component when a single-channel analog switch with very low on-resistance is required for low-voltage digital interfaces. Ensure the application voltage stays within the 1.65V to 4.3V range. Consider the MicroPak package dimensions if space constraints are critical. Verify that the control logic levels match the TTL-compatible input specifications for reliable switching operation.
Part Context
The FSA2156 series includes variants such as the FSA2156P6X in SC70 and the FSA2156FHX in MicroPak2. All variants share identical electrical characteristics but differ in physical footprint and packing methods. The L6X designation specifically refers to the 6-lead MicroPak package configuration.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs by comparing pin configurations and electrical parameters against alternative SPST analog switches.
