ISL84521 Intersil Corporation, ISL84521 Datasheet - Page 6

• Manufacturer Part Number: ISL84521
• Description: Low-Voltage/ Single and Dual Supply/ Quad SPST/ Analog Switches
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
Logic input waveform is inverted for switches that have the opposite
logic sense.
Repeat test for all switches.
SIGNAL
GENERATOR
OUTPUT
ANALYZER
OUTPUT
SWITCH
SWITCH
LOGIC
INPUT
V
V
OUT1
OUT2
OUTPUT
SWITCH
LOGIC
INPUT
FIGURE 4. OFF ISOLATION TEST CIRCUIT
V
OUT
FIGURE 2A. MEASUREMENT POINTS
FIGURE 3A. MEASUREMENT POINTS
3V
0V
0V
0V
R
L
Q = ∆V
ON
90%
OUT
NO OR NC
∆V
COM
x C
t
OUT
D
L
6
OFF
GND
90%
FIGURE 3. BREAK-BEFORE-MAKE TIME (ISL84523 ONLY)
V+
V-
IN
(Continued)
ISL84521, ISL84522, ISL84523
C
C
0V OR 2.4V
ON
FIGURE 2. CHARGE INJECTION
t
D
90%
90%
3V
0V
Repeat test for all switches. C
capacitance.
C
Reconfigure accordingly to test SW3 and SW4.
Repeat test for all switches.
LOGIC
INPUT
V
V
L
NX
G
V
includes fixture and stray capacitance.
NX
C
R
ON
R
1mA
G
= V
C
1
IN1
IN2
NC2
NO1
/1mA
FIGURE 5. R
FIGURE 2B. TEST CIRCUIT
FIGURE 3B. TEST CIRCUIT
NO OR NC
V-
V
V+
GND
1
GND
V+
NO OR NC
COM
L
C
ON
includes fixture and stray
C
V-
COM1
COM2
TEST CIRCUIT
IN
LOGIC
GND
COM
INPUT
C
300Ω
R
L2
V+
V-
V
OUT2
IN
C
C
300Ω
35pF
C
R
L2
0.8V OR 2.4V
L1
C
V
L
OUT1
V
OUT
35pF
C
L1