ON Semiconductor Is Now To learn more about onsemi, please visit our website at www.onsemi.com onsemi andand other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba onsemi or its affiliates and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of onsemi product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. onsemi reserves the right to make changes at any time to any products or information herein, without notice. The information herein is provided as-is and onsemi makes no warranty, representation or guarantee regarding the accuracy of the information, product features, availability, functionality, or suitability of its products for any particular purpose, nor does onsemi assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using onsemi products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by onsemi. Typical parameters which may be provided in onsemi data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including Typicals must be validated for each customer application by customers technical experts. onsemi does not convey any license under any of its intellectual property rights nor the rights of others. onsemi products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use onsemi products for any such unintended or unauthorized application, Buyer shall indemnify and holdo nsemi and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that onsemi was negligent regarding the design or manufacture of the part. onsemi is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. Other names and brands may be claimed as the property of others. FSA839 Low-Voltage, 0.8 SPDT Analog Switch with Power-Off Isolation FSA839 Low-Voltage, 0.8 SPDT Analog Switch with Power-Off Isolation Features Description The FSA839 is a high-performance Single-Pole / Double- Pow er-Off Isolation (V =0 V) CC Throw (SPDT) analog sw itch for audio applications driven 0.8 Maximum On Resistance (R ) for 4.5 V V ON CC by low -voltage (1.8 V) baseband processors or ASICs. 0.25 Maximum R Flatness for 4.5 V V The device features ultra-low R of 0.8 (maximum) at ON CC ON 4.5 V V and operates over the w ide V range of CC CC Broad V Operating Range: 1.65 V to 5.5 V CC 1.65 V to 5.5 V. The device is fabricated w ith sub-micron Fast Turn-On and Turn-Off Times CMOS technology to achieve fast sw itching speeds and is designed for break-before-make operation. Control Input Sw itching Thresholds Independent of V CC The FSA839 interfaces betw een the low -voltage ASIC and regular audio amplifiers and CODECs operating up to Break-Before-Make Enable Circuitry a 5.5 V supply range. The control circuitry allow s for 0.4 mm WLCSP Packaging 1.8 V (typical) signals on the control pin (Sel). ESD Performance - HBM per JESD22-A114, I/O to GND: 8 kV - CDM per JESD22-C101: 500 V - IEC61000-4-2 Contact / Air: 8 kV / 15 kV Applications Cellular Phone Portable Media Player PDA Ordering Information Operating Packing Part Number Top Mark Package Temperature Range Method FSA839UCX -40C to +85C N3 6-Ball WLCSP, 0.4 mm Pitch Tape and Reel Figure 1. Analog Symbol 2008 Semiconductor Components Industries, LLC. Publication Order Number: October-2017, Rev . 2 FSA839/D