Datasheet

© 2007 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSA2271T • Rev. 1.0.6 7
FSA2271T — Low-Voltage, Dual-SPDT (0.4) Analog Switch with Negative Swing Audio Capability
Test Diagrams (Continued)
V
cc
0.9*V
out
V
cc
/2
D
0V
V
OUT
Input V
S1,S2
0.9*V
out
t
RISE
= 2.5ns
90%
10%
C
L
nB
n
R
L
nA
GND
GND
R
S
V
S1,S2
V
SW1
GND
R
L
and C
L
are functions of the application
environment (see AC/DC tables).
C
L
includes test fixture and stray capacitance.
V
OUT
V
SW2
GND
t
-
L L
Figure 11. Break-Before-Make Timing
V
OUT
GND
GND
R
T
GND
GND
V
S
R
S
Network Analyzer
R
T
GND
R
S
and R
T
are functions of the application
environment (see tables).
V
S1,S2
GND
Off-Isolation = 20 Log (V
OUT
/ V
IN
)-
V
OUT
GND
GND
R
T
GND
GND
V
S
R
S
Network Analyzer
R
T
GND
R
S
and R
T
are functions of the application
environment (see tables).
V
S1, S2
GND
Crosstalk = 20 Log (V
OUT
/ V
IN
)
V
IN
Figure 12. Channel Off Isolation
Figure 13. Adjacent Channel Crosstalk
Figure 14. Charge Injection Test
V
OUT
GND
GND
R
T
GND
GND
V
S
R
S
Audio Analyzer
V
S1, S2
GND
V
IN
R
S
and R
T
are functions of the application
environment (see AC tables for specific values).
Figure 15. Total Harmonic Distortion