FSA5157 Datasheet, PDF (1/11 Pages) Fairchild Semiconductor – 0.4-ohm Low Voltage SPDT Analog Switch

November 2005
Revised November 2005
FSA5157
0.4: Low Voltage SPDT Analog Switch (Preliminary)
General Description
The FSA5157 is a low ON Resistance, low power Single Pole
Double Throw (SPDT) analog switch. This product has been
designed for switching audio signals in applications such as cell
phones and portable media players. The ultra-low 0.4 Ohm
impedance, sub 1PA current consumption, and 1.65V to 4.3V
operating voltage range makes this product ideal for battery
power applications. The FSA5157 also features bi-directional
operation and make-before-break functionality. This device is
fully specified for operation at 1.8V, 2.5V and 3.3V.
A growing number of applications require the voltage applied to
the select input to be lower then the V_CC applied. Under this
condition, most switches would typically consume over 100PA
of current. This would be an unacceptable level for battery pow-
ered applications. The FSA5157 has been designed to minimize
current consumption under this condition. The I_CCT is specified
for 12PA under a worse case condition of V_CC = 4.3V and
V_IN = 1.8V.
Features
O Typical 0.4: On Resistance (R_ON) for 2.7V supply
O FSA5157 features less than 12PA I_CCT current
when S input is lower than V_CC
O 0.25: maximum R_ON flatness for 2.7V supply
O 1.0mm x 1.45mm 6-Lead Pb-Free MicroPak¥ package
O Broad V_CC operating range: 1.65V to 4.3V
O Low THD (0.02% typical for 32: load)
O High current handling capability
(350mA continuous current under 3.3V supply)
O Control logic is 1.8V CMOS logic compatible
Applications
O Cellular phone
O PDA
O Portable Media Player
Ordering Code:
Order
Number
FSA5157P6X
FSA5157P6X_NL
Package
Number
MAA06A
MAA06A
FSA5157L6X
MAC06A
Pb-Free package per JEDEC J-STD-020B.
Applications Diagram
Product
Code
Top Mark
A57
A57
FT
Package Description
Supplied As
6-Lead SC70, EIAJ SC88, 1.25mm Wide 3K Units on Tape and Reel
Pb-Free 6-Lead SC70, EIAJ SC88,
1.25mm Wide
3K Units on Tape and Reel
Pb-Free 6-Lead MicroPak, 1.0mm Wide 5K Units on Tape and Reel
MicroPak¥ is a trademark of Fairchild Semiconductor Corporation.
© 2005 Fairchild Semiconductor Corporation
DS500900
www.fairchildsemi.com