isl54214 Intersil Corporation, isl54214 Datasheet - Page 8

• Manufacturer Part Number: isl54214
• Description: Usb 2.0 High-speed X 2channels/stereo Audio Dual Sp3t Dual 3 To 1 Multiplexer
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
Repeat test for all switches.
IMPEDANCE
ANALYZER
OUT+
DIN+
DIN-
OUT-
FIGURE 5. CAPACITANCE TEST CIRCUIT
FIGURE 7A. MEASUREMENT POINTS
90%
10%
90%
10%
t
t
t
fi
ri
f0
t
50%
50%
ro
AUDIO OR USB
COMx
50%
8
50%
90%
10%
t
10%
90%
skew_i
CTRL
t
skew_o
GND
V
DD
(Continued)
V
Cx
C
V
V
CxL
CxH
FIGURE 7. SKEW TEST
OR
ISL54214
|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
GENERATOR
DIN+
DIN-
ANALYZER
V
FIGURE 6. AUDIO CROSSTALK TEST CIRCUIT
DD
0V
15.8Ω
15.8Ω
143Ω
0V or Float
143Ω
32Ω
FIGURE 7B. TEST CIRCUIT
C0
C1
COM-
COM+
V
V
GND
COMx
V
L or R
Cx
DD
DD
CTRL
C
GND
V
DD
R or L
D+
D-
COMx
C
December 11, 2008
C
C
L
L
32Ω
OUT+
OUT-
45Ω
45Ω
FN6816.0
N.C.