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| ISL54230 Datasheet, PDF (7/16 Pages) Intersil Corporation – Octal Multiprotocol Switch | |||
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ISL54230
Test Circuits and Waveforms
VDD
C
rON = V1/Icom
VNO/NC
NOx OR NCx
Icom
V1
COMx
GND
Repeat test for all switches.
INx
VIN
FIGURE 1. rON TEST CIRCUIT
VDD
C
50Ω SIGNAL
GENERATOR
VDD
C
NO OR NC
ANALYZER
RL
IN 0V OR V+
COM
GND
Signal direction through switch is reversed, worst case values
are recorded.
FIGURE 2. OFF-ISOLATION TEST CIRCUIT
VDD
C
NOx/NCx
IMPEDANCE
ANALYZER
COMx
GND
INx
0V OR
VDD
COM is connected to NO or NC
during ON capacitance measurement.
FIGURE 3. CAPACITANCE TEST CIRCUIT
50Ω SIGNAL
GENERATOR
NO1/NC1
COM1
RL
INx
VIN
ANALYZER
COMx
NOx/NCx
NC
GND
50Ω
Signal direction through switch is reversed, worst case values
are recorded. Repeat test for all switches.
FIGURE 4. CROSSTALK TEST CIRCUIT
VDD
A
5.25V
NOx OR NCx
INx
COMx
GND
NOTE: OEx such that switch is disabled
FIGURE 5. POWER OFF LEAKAGE TEST CIRCUIT
7
FN6825.0
December 26, 2008
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