參數(shù)資料
型號: 74HCT4051
廠商: Texas Instruments, Inc.
英文描述: High Speed CMOS Logic Analog Multiplexers/Demultiplexers
中文描述: 高速CMOS邏輯模擬多路復用器/解復用器
文件頁數(shù): 12/27頁
文件大小: 466K
代理商: 74HCT4051
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
0.1
μ
F
V
CC
50
V
CC
/2
10pF
V
OS
SWITCH
ON
dB
METER
V
IS
0.1
μ
F
V
CC
V
CC
/2
C
V
OS1
SWITCH
ON
R
R
f
IS
= 1MHz SINEWAVE
R = 50
C = 10pF
V
CC
R
V
CC
/2
C
SWITCH
OFF
R
INPUT
V
CC
/2
V
OS2
dB
METER
V
IS
10
μ
F
V
CC
10k
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
600
V
CC
/2
50pF
SWITCH
ALTERNATING
ON AND OFF
t
r
, t
f
6ns
f
CONT
= 1MHz
50% DUTY
CYCLE
SCOPE
V
OS
600
V
CC
/2
V
OS
V
P-P
E
V
IS
0.1
μ
F
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 = 50
C = 10pF
’HC4051, ’HCT4051, ’HC4052, CD74HCT4052, ’HC4053, CD74HCT4053
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