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FSA4157 and FSA4157A are high performance Single Pole/Double Throw (SPDT) analog switches. Both devices feature ultra low RON of 1.15Ω maximum at 4.5V VCC and operates over a wide VCC range of 1.65V to 5.5V for FSA4157, and 2.7V to 5.5V for FSA4157A. The device is fabricated with sub-micron CMOS technology to achieve fast switching speeds and is designed for break-before-make operation. The select input is TTL level compatible. The FSA4157A features very low quiescent current even when the control voltage is lower than the VCC supply. This feature services the mobile handset applications very well allowing for the direct interface with baseband processor general purpose I/Os.

Application

Media Tablets
Storage & Peripherals
Mobile Handsets
Wireless LAN Card & Broadband Access
PMP/MP3 Players

Feature

FSA4157A features lower I_CC when the S input is lower than V_CC
Maximum 1.15 ohm On Resistance (R_ON) at 4.5V V_CC
0.3 ohm max R_ON flatness at 4.5V V_CC
Space saving 6-lead Pb-Free MicroPak™ and SC70 6-lead surface mount packages
Broad V_CC operating range:
FSA4157: 1.65V to 5.5V
FSA4157A: 2.7V to 5.5V
Fast turn-on and turn-off time
Break-before-

Images	Part Number	Mfr	Description	Datasheet	Availability	Price	Qty	RFQ	Rohs
	FSA4157P6X	ONSEMI	Audio Switches	Datasheet	In Stock	Check Price	MOQ:1	Get a Quote
	FSA4157P6X-TP	Tech Public	1.5Ω 2:1 SOT-363 Analog Switches, Multiplexers, Demultiplexers ROHS	Datasheet	In Stock	Check Price	MOQ:1	Get a Quote

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