ISL54233IRTZ INTERSIL [Intersil Corporation], ISL54233IRTZ Datasheet - Page 7

• Manufacturer Part Number: ISL54233IRTZ
• Description: Wideband Differential 3:1 Multiplexer
• Manufacturer: INTERSIL [Intersil Corporation]

Test Circuits and Waveforms
OUT+
DIN+
DIN-
OUT-
FIGURE 8A. MEASUREMENT POINTS
90%
10%
90%
10%
7
t
t
t
fi
ri
f0
SIGNAL
GENERATOR
t
50%
50%
ANALYZER
ro
50%
50%
90%
10%
t
10%
90%
skew_i
t
skew_o
0V OR FLOAT
50Ω
FIGURE 7. CROSSTALK TEST CIRCUIT
(Continued)
FIGURE 8. SKEW TEST
V
xD-
COMx
ISL54233
Cx
CTRL
GND
V
DD
xD+
|tro - tri| Delay Due to Switch for Rising Input and Rising Output Signals
|tfo - tfi| Delay Due to Switch for Falling Input and Falling Output Signals
|tskew_0| Change in Skew through the Switch for Output Signals
|tskew_i| Change in Skew through the Switch for Input Signals
COMx
DIN+
DIN-
C
V
DD
0V
15.8Ω
15.8Ω
143Ω
143Ω
50Ω
N.C.
FIGURE 8B. TEST CIRCUIT
C0
C1
COM-
COM+
V
GND
V
DD
DD
C
D+
D-
December 21, 2011
C
C
L
L
OUT+
OUT-
45Ω
45Ω
FN7918.0