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ISL43640 Datasheet, PDF (7/13 Pages) Intersil Corporation – Low-Voltage, Single Supply, 4 to 1 Multiplexer, High Performance Analog Switch | |||
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ISL43640
Test Circuits and Waveforms (Continued)
3V
LOGIC
INPUT
0V
tr < 20ns
tf < 20ns
SWITCH
OUTPUT
VOUT
0V
80%
tD
C
V+
LOGIC
INPUT
V+
C
NO0-NO3
ADD1
ADD2
COM
GND INH
VOUT
RL
300â¦
CL
35pF
Repeat test for other switches. CL includes fixture and stray
capacitance.
FIGURE 3A. MEASUREMENT POINTS
FIGURE 3B. TEST CIRCUIT
FIGURE 3. BREAK-BEFORE-MAKE TIME
SIGNAL
GENERATOR
ANALYZER
RL
V+
C
NO or NC
0V or V+
ADDX
COM GND
0V or V+
INH
FIGURE 4. OFF ISOLATION TEST CIRCUIT
RON = V1/1mA
VNX
1mA
NO or NC
V1
V+
C
0V or V+
ADDX
COM GND INH
FIGURE 5. RON TEST CIRCUIT
IMPEDANCE
ANALYZER
V+
C
NO or NC
0V or V+
ADDX
COM
GND INH
FIGURE 6. CAPACITANCE TEST CIRCUIT
7
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