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ISL43L841 Datasheet, PDF (6/12 Pages) Intersil Corporation – Ultra Low ON-Resistance, Low-Voltage, Single Supply, Differential 4 to 1 Analog Multiplexer | |||
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Test Circuits and Waveforms
V+
LOGIC
INPUT
0V
VA0, VB0
SWITCH
OUTPUT 0V
tOFF
50%
tON
90% VOUT
ISL43L841
tr < 5ns
tf < 5ns
90%
C
V+
LOGIC
INPUT
V+
C
A0, B0
A1, A2, B1,
B2, A3, B3
INH
GND
COMA
COMB
ADD0-1
VOUT
RL
CL
50â¦
35pF
Logic input waveform is inverted for switches that have the opposite
logic sense.
FIGURE 1A. INHIBIT tON/tOFF MEASUREMENT POINTS
Repeat test for other switches. CL includes fixture and stray
capacitance.
VOUT
=
V(NO or NC)
------------R-----L-------------
RL + R(ON)
FIGURE 1B. INHIBIT tON/tOFF TEST CIRCUIT
V+
LOGIC
INPUT
0V
VA0, VB0
SWITCH
OUTPUT
VA3, VB3
50%
tTRANS
VOUT
tr < 5ns
tf < 5ns
90%
10%
0V
C
V+
LOGIC
INPUT
V+
C
A0, B0
A1, A2, B1,
B2, A3, B3
COMA,
COMB
ADD0-1 GND INH
VOUT
RL
CL
50â¦
35pF
tTRANS
Logic input waveform is inverted for switches that have the opposite
logic sense.
Repeat test for other switches. CL includes fixture and stray
capacitance.
VOUT
=
V(NO or NC)
------------R-----L-------------
RL + R(ON)
FIGURE 1C. ADDRESS tTRANS MEASUREMENT POINTS
FIGURE 1D. ADDRESS tTRANS TEST CIRCUIT
FIGURE 1. SWITCHING TIMES
V+
C
LOGIC OFF
INPUT
ON
SWITCH
OUTPUT
VOUT
V+
OFF
0V
âVOUT
RG
Ax, Bx
0â¦
COMA,
COMB
ADD1
VG
ADD0 GND
CHANNEL
SELECT
INH
LOGIC
INPUT
Q = âVOUT x CL
FIGURE 2A. Q MEASUREMENT POINTS
Repeat test for other switches.
FIGURE 2B. Q TEST CIRCUIT
FIGURE 2. CHARGE INJECTION
VOUT
CL
1000pF
6
FN6212.1
June 30, 2006
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