July 2009
FSA2147 — Low-Voltage, DPST Analog Switch with
Negative Signal Capability and Built-in Termination
to Eliminate Pop
Features
Description
The FSA2147 is a Double-Pole, Single Throw (DPST)
switch. The audio path defaults to audio mute and is
enabled with /OE. The FSA2147 includes a power-off
feature on the common port when VCC=0V to guarantee
signal isolation.
Built-In Termination on Unselected Audio Paths
Inhibits Audio Pop
6pF Typical Switch Off Capacitance
2.5Ω Typical On Resistance
Negative-Swing-Capable
IMPORTANT NOTE:
Power-Off Protection
For
additional
information,
please
contact
Flow-Through Pin Out Eliminates PCB Vias
analogswitch@fairchildsemi.com.
Applications
MP3 Player, Cell Phone, PDA, Digital Camera, and
Notebook Computers
Ordering Information
Operating
Temperature Range
Part
Number
Top
Mark
Packing
Method
Eco
Status
Package Description
8-Lead US8, JEDEC MO-187, Variation
CA, 3.0mm Wide Package
3000 Units
Tape and Reel
FSA2147K8X 2147
-40°C to +85°C
RoHS
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
VCC
Rpu
Control
Block
/OE
R
R
R T
L
L
RT
Figure 1.
Analog Symbol
© 2008 Fairchild Semiconductor Corporation
FSA2147 Rev. 1.0.1
www.fairchildsemi.com
ONSEMI [ ONSEMI ]
