ISL43840 Intersil Corporation, ISL43840 Datasheet - Page 9

• Manufacturer Part Number: ISL43840
• Description: Low-Voltage/ Single and Dual Supply/ Dual 4 to 1 Multiplexer Analog Switch with Enable
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
SIGNAL
GENERATOR
OUTPUT
SWITCH
LOGIC
SIGNAL
GENERATOR
ANALYZER
INPUT
ANALYZER
V
OUT
FIGURE 3A. t
FIGURE 4. OFF ISOLATION TEST CIRCUIT
FIGURE 6. CROSSTALK TEST CIRCUIT
3V
0V
R
R
L
0V or V+
L
0V
BBM
COM
NO
ADDX
MEASUREMENT POINTS
NOX
COMX
A
B
9
V+
GND
V+
GND
t
BBM
ENABLE
ENABLE
C
C
COM
ADDX
NO
(Continued)
B
A
V-
V-
FIGURE 3. BREAK-BEFORE-MAKE TIME
0V or V+
0V or V+
80%
C
t
t
C
r
f
< 20ns
< 20ns
50Ω
N.C.
ISL43840
Repeat test for other switches. C
capacitance.
LOGIC
INPUT
V
V+
NX
IMPEDANCE
ANALYZER
R
C
ON
FIGURE 7. CAPACITANCE TEST CIRCUIT
1mA
= V
FIGURE 3B. t
1
FIGURE 5. R
/1mA
NO0-NO3
ADD1. 2
V
1
V+
GND
NOX
COMX
BBM
ON
L
ENABLE
C
includes fixture and stray
COMX
TEST CIRCUIT
NOX
TEST CIRCUIT
V+
COM
GND
V-
V+
GND
ENABLE
C
ADDX
C
C
ENABLE
ADDX
V
300Ω
V-
OUT
R
L
0V or V+
V-
C
0V or V+
C
35pF
C
L