FSA2147 — Low-Voltage, DPST Analog Switch with Negative Signal Capability and Built-in Termination to Eliminate Pop
April 2008
FSA2147 — Low-Voltage, DPST Analog Switch with
Negative Signal Capability and Built-in Termination
to Eliminate Pop
Features
Built-In Termination on Unselected Audio Paths
Inhibits Audio Pop
6pF Typical Switch Off Capacitance
2.5Ω Typical On Resistance
Negative-Swing-Capable
Power-Off Protection
Flow-Through Pin Out Eliminates PCB Vias
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 V
CC
=0V to guarantee
signal isolation.
IMPORTANT NOTE:
For additional performance information, please contact
analogswitch@fairchildsemi.com.
Applications
MP3 Player, Cell Phone, PDA, Digital Camera, and
Notebook Computers
Ordering Information
Part Number
FSA2147K8X
Top Mark
2147
Package Description
8-Lead US8, JEDEC MO-187, Variation CA, 3.0mm Wide Package
All packages are lead free per JEDEC: J-STD-020B standard.
V
CC
Rpu
Control
Block
/OE
R
R
R
T
L
L
R
T
Figure 1.
Analog Symbol
© 2008 Fairchild Semiconductor Corporation
FSA2147 Rev. 1.0.0
www.fairchildsemi.com
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