ISL84684 Intersil Corporation, ISL84684 Datasheet - Page 5

• Manufacturer Part Number: ISL84684
• Description: Dual SPDT Analog Switch
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
Logic input waveform is inverted for switches that have the opposite
logic sense.
OUTPUT
OUTPUT
SWITCH
SWITCH
SWITCH
LOGIC
INPUT
LOGIC
OUTPUT
INPUT
INPUT
SWITCH
V
LOGIC
INPUT
OUT
V
OUT
V
V
V
V
V
INH
FIGURE 1A. MEASUREMENT POINTS
FIGURE 2A. MEASUREMENT POINTS
FIGURE 3A. MEASUREMENT POINTS
INL
NO
0V
INH
INL
0V
Q = ∆V
ON
OUT
∆V
x C
t
OUT
ON
L
50%
OFF
5
90%
t
OFF
V
t
D
OUT
ON
FIGURE 3. BREAK-BEFORE-MAKE TIME
FIGURE 2. CHARGE INJECTION
t
t
FIGURE 1. SWITCHING TIMES
90%
r
f
V
V
< 20ns
< 20ns
INH
INL
90%
ISL84684
Repeat test for all switches. C
capacitance.
Repeat test for all switches. C
capacitance.
Repeat test for all switches.
V
LOGIC
V
INPUT
LOGIC
INPUT
G
NX
SWITCH
INPUT
R
G
V
OUT
FIGURE 1B. TEST CIRCUIT
FIGURE 2B. TEST CIRCUIT
FIGURE 3B. TEST CIRCUIT
NC
IN
NO
NO or NC
IN
NO or NC
=
V (NO or NC)
GND
V+
GND
V+
L
L
GND
V+
includes fixture and stray
includes fixture and stray
C
C
C
IN
COM
COM
COM
------------------------------
R
LOGIC
INPUT
L
+
R
R
L
(
ON
)
50Ω
50Ω
R
R
L
L
V
OUT
V
OUT
C
L
35pF
V
C
35pF
OUT
L
C
L