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FSA9682UCX
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Product Detailed Parameters
- Description：FSA9682
- Series：*
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Switch Circuit：-
- Multiplexer/Demultiplexer Circuit：-
- On-State Resistance (Max)：-
- Channel-to-Channel Matching (ΔRon)：-
- Voltage - Supply, Single (V+)：-
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：-
- Charge Injection：-
- Channel Capacitance (CS(off), CD(off))：-
- Current - Leakage (IS(off)) (Max)：-
- Crosstalk：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Number of Circuits：-
- Grade：-
- Qualification：-
Download product information
Overview
The FSA9682UCX is a high-speed analog switch manufactured by Fairchild Semiconductor, now part of ON Semiconductor. It features a single-pole double-throw (SPDT) configuration designed for signal routing applications. The device operates within a supply voltage range of 1.65V to 5.5V, ensuring compatibility with various digital logic families. Key electrical parameters include a low on-resistance and fast switching times, making it suitable for high-frequency data transmission. The component is housed in a compact WLCSP package, facilitating surface-mount installation in space-constrained portable electronics.
Feature Summary
- Provides SPDT signal routing functionality for audio and video lines
- Operates across a wide supply voltage range from 1.65V to 5.5V
- Features low on-resistance for minimal signal attenuation
- Utilizes ultra-small WLCSP packaging for dense board layouts
Applications
- Portable media players and smartphones for audio path switching
- MP3 players and digital audio recorders
- Video signal routing in mobile devices
- Headset jack detection circuits
Procurement Notes
Verify the manufacturer designation as ON Semiconductor due to corporate acquisition history. Confirm the specific suffix 'UCX' corresponds to the required WLCSP package and tape-and-reel quantity. Ensure compliance with RoHS directives if applicable to your region. Cross-reference the datasheet revision date to confirm pinout and electrical characteristics match your design requirements before finalizing procurement.
Selection Notes
Select this component when a single SPDT switch is required for low-voltage signal paths. It is appropriate for applications demanding minimal insertion loss and fast transition times. Consider the WLCSP footprint constraints during PCB layout. Compare against similar switches if higher channel counts or different voltage tolerances are needed. Verify that the operating temperature range meets your environmental specifications.
Part Context
This component belongs to the FSA96xx series of analog switches, which are optimized for consumer electronics. These devices are commonly used in mobile phones, PDAs, and portable audio equipment. The series emphasizes small form factors and low power consumption. Fairchild Semiconductor developed this line before its acquisition by ON Semiconductor, which continues to support and manufacture these parts under the new brand identity.
Replacement Considerations
Check for direct substitutes such as the FSA9681 or FSA9684 if channel count differs. Verify equivalent packages like WLCSP-12 or similar small outlines. Ensure voltage ratings and on-resistance values are compatible. Consult ON Semiconductor documentation for updated cross-reference lists.
