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ISL43840_14 Datasheet, PDF (9/14 Pages) Intersil Corporation – Low-Voltage, Single and Dual Supply,Dual 4 to 1 Multiplexer Analog Switch with Enable | |||
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ISL43840
Test Circuits and Waveforms (Continued)
3V
LOGIC
INPUT
0V
tr < 20ns
tf < 20ns
C
SWITCH
OUTPUT
VOUT
0V
tBBM
80%
V+
LOGIC
INPUT
V+
C
V-
C
NO0-NO3
ADD1. 2
COM
GND ENABLE
VOUT
RL
300â¦
CL
35pF
FIGURE 3A. tBBM MEASUREMENT POINTS
Repeat test for other switches. CL includes fixture and stray
capacitance.
FIGURE 3B. tBBM TEST CIRCUIT
FIGURE 3. BREAK-BEFORE-MAKE TIME
SIGNAL
GENERATOR
ANALYZER
RL
V+
C
V-
C
NOX
0V or V+
ADDX
COMX
ENABLE 0V or V+
GND
V+
C
V-
C
RON = V1/1mA
VNX
NOX
1mA
V1
0V or V+
ADDX
COMX
GND ENABLE
FIGURE 4. OFF ISOLATION TEST CIRCUIT
FIGURE 5. RON TEST CIRCUIT
V+
C
V-
C
SIGNAL
GENERATOR
NOA
COMA
ADDX
0V or V+
ANALYZER
RL
NOB
COMB GND ENABLE
50â¦
N.C.
FIGURE 6. CROSSTALK TEST CIRCUIT
9
V+
C
V-
C
IMPEDANCE
ANALYZER
NOX
0V or V+
ADDX
COMX
GND ENABLE
FIGURE 7. CAPACITANCE TEST CIRCUIT
FN6056.2
March 13, 2006
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