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Updated at 17/06/2025 10:30:15(UTC+8)

Certifications

ManyChip is committed to product quality and safety with ISO 9001, ISO 13485, ISO 45001, UL, RoHS, CQC and REACH certifications.

Description

FSA4157 and FSA4157A are high performance Single Pole/Double Throw (SPDT) analog switches. Both devices feature ultra low R 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 V supply. This feature services the mobile handset applications very well allowing for the direct interface with baseband processor general purpose I/Os.
Features
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FSA4157A features lower ICC when the S input is lower than VCC
Maximum 1.15 ohm On Resistance (RON) at 4.5V VCC
0.3 ohm max RON flatness at 4.5V VCC
Space saving 6-lead Pb-Free MicroPak™ and SC70 6-lead surface mount packages
Broad VCC operating range:
FSA4157: 1.65V to 5.5V
FSA4157A: 2.7V to 5.5V
Fast turn-on and turn-off time
Break-before-make enable circuitry
Over-voltage tolerant TTL compatible control circuitry

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Order guide

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