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| FSA4157A_12 Datasheet, PDF (1/12 Pages) Fairchild Semiconductor – Low-Voltage, 1Ω SPDT Analog Switch | |||
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March 2012
FSA4157, FSA4157A
Low-Voltage, 1Ω SPDT Analog Switch
Features
ï§ FSA4157A Features Lower ICC when the S Input is
Lower Than VCC
ï§ Maximum 1.15Ω On Resistance (RON) at 4.5V VCC
ï§ 0.3Ω Maximum RON Flatness at 4.5V VCC
ï§ Space-Saving 6-lead, MicroPak⢠and
SC70 6 Packages
ï§ Broad VCC Operating Range:
â FSA4157: 1.65V to 5.5V
â FSA4157A: 2.7V to 5.5V
ï§ Fast Turn-On and Turn-Off Time
ï§ Break-Before-Make Enable Circuitry
ï§ Over-Voltage Tolerant TTL-Compatible Control
Circuitry
Description
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 the 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.
Ordering Information
Part Number
FSA4157P6X
FSA4157L6X
FSA4157AP6X
FSA4157AL6X
Top
Mark
A57
EG
B57
EU
Package Description
6-Lead SC70, EIAJ SC88, 1.25mm Wide
6-Lead MicroPak,⢠1.0mm Wide
6-Lead SC70, EIAJ SC88, 1.25mm Wide
6-Lead MicroPakâ¢, 1.0mm Wide
Packing Method
3000 Units Tape and Reel
5000 Units Tape and Reel
3000 Units Tape and Reel
5000 Units Tape and Reel
© 2006 Fairchild Semiconductor Corporation
FSA5147 ⢠FSA4157A Rev. 1.0.7
www.fairchildsemi.com
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