ISL54206 Intersil Corporation, ISL54206 Datasheet - Page 6

• Manufacturer Part Number: ISL54206
• Description: MP3/USB 2.0 High Speed Switch
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
Repeat test for all switches.
IMPEDANCE
ANALYZER
FIGURE 5. CAPACITANCE TEST CIRCUIT
OUT+
OUT-
DIN+
DIN-
FIGURE 7A. MEASUREMENT POINTS
90%
10%
90%
10%
t
t
t
fi
6
ri
f0
t
50%
AUDIO OR USB
COMx
50%
ro
50%
50%
90%
10%
t
10%
90%
skew_i
CTRL
t
GND
skew_o
(Continued)
V
DD
IN
C
0V or
V
FIGURE 7. SKEW TEST
DD
ISL54206
|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.
Signal direction through switch is reversed, worst case values
are recorded. Repeat test for all switches.
SIGNAL
GENERATOR
DIN+
DIN-
ANALYZER
V
FIGURE 6. AUDIO CROSSTALK TEST CIRCUIT
DD
15.8Ω
15.8Ω
143Ω
143Ω
0V
R
L
FIGURE 7B. TEST CIRCUIT
IN
COM-
COM+
CTRL
V
GND
IN
DD
L OR R
COMx
CTRL
C
GND
R OR L
V
D+
D-
COMx
DD
C
December 18, 2006
C
C
L
L
32Ω
OUT+
OUT-
45Ω
45Ω
FN6409.0
NC.