Datasheet

12
Test Circuits and Waveforms
FIGURE 3. FREQUENCY RESPONSE TEST CIRCUIT FIGURE 4. CROSSTALK BETWEEN TWO SWITCHES TEST
CIRCUIT
FIGURE 5. SINEWAVE DISTORTION TEST CIRCUIT FIGURE 6. CONTROL TO SWITCH FEEDTHROUGH NOISE
TEST CIRCUIT
FIGURE 7. SWITCH OFF SIGNAL FEEDTHROUGH
V
IS
0.1µF
V
CC
50Ω
V
CC
/2
10pF
V
OS
SWITCH
ON
dB
METER
V
IS
0.1µF
V
CC
V
CC
/2
C
V
OS1
SWITCH
ON
R
R
f
IS
= 1MHz SINEWAVE
R = 50Ω
C = 10pF
V
CC
R
V
CC
/2
C
SWITCH
OFF
R
INPUT
V
CC
/2
V
OS2
dB
METER
V
IS
10µF
V
CC
10kΩ
V
CC
/2
50pF
V
OS
SWITCH
ON
DISTORTION
METER
SINE-
WAVE
V
I
= V
IH
V
IS
f
IS
= 1kHz TO 10kHz
V
CC
600Ω
V
CC
/2
50pF
SWITCH
ALTERNATING
SCOPE
V
OS
600Ω
V
CC
/2
ON AND OFF
t
r
, t
f
≤ 6ns
f
CONT
= 1MHz
50% DUTY
CYCLE
V
OS
V
P-P
E
V
IS
0.1µF
V
CC
R
V
CC
/2
C
V
OS
SWITCH
OFF
dB
METER
R
V
CC
/2
V
C
= V
IL
f
IS
≥ 1MHz SINEWAVE
R = 50Ω
C = 10pF
’HC4051, ’HCT4051, ’HC4052, CD74HCT4052, ’HC4053, CD74HCT4053