The FSA4159 is a high-performance Single-Pole / Double-Throw (SPDT) analog switch. The device features ultra-low R_ON of 1W at 4.5V V_CC and operates over the wide V_CC range of 1.65V to 5.50V. The device is fabricated with sub-micron CMOS technology to achieve fast switching speeds and is designed for breakbefore- make operation.

• Low I_CC When the S Input is Lower than V_CC
• Power-Off Isolation (V_CC = 0V)
• 1W On Resistance (R_ON) for 4.5V V_CC
• 0.25W Maximum R_ON Flatness for 4.5V V_CC
• Space-Saving, Pb-Free, 6-Lead SC70 Surface Mount Package
• Broad V_CC Operating Range: 1.65V to 5.50V
• Fast Turn-On and Turn-Of Times
• Break-Before-Make Enable Circuitry
• Pb-Free “Green” Packaging

• Cell Phone
• Portable Media Player
• PDA