FSA2147 Datasheet, PDF (1/2 Pages) Fairchild Semiconductor – Low-Voltage, DPST Analog Switch with Negative Signal Capability and Built-in Terminationto Eliminate Pop

April 2008
FSA2147 — Low-Voltage, DPST Analog Switch with
Negative Signal Capability and Built-in Termination
to Eliminate Pop
Features
ƒ Built-In Termination on Unselected Audio Paths
Inhibits Audio Pop
ƒ 6pF Typical Switch Off Capacitance
ƒ 2.5Ω Typical On Resistance
ƒ Negative-Swing-Capable
ƒ Power-Off Protection
ƒ Flow-Through Pin Out Eliminates PCB Vias
Applications
ƒ MP3 Player, Cell Phone, PDA, Digital Camera, and
Notebook Computers
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.
IMPORTANT NOTE:
For additional performance information, please contact
[e-mail].
Ordering Information
Part Number
Top Mark
Package Description
FSA2147K8X
2147
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
Control
Block
Rpu
/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