參數(shù)資料
型號(hào)： 74HCT4051
廠(chǎng)商： NXP Semiconductors N.V.
英文描述： 8-channel analog multiplexer/demultiplexer(八通道模擬多路復(fù)用器/多路分解器)
中文描述： 8通道模擬多路復(fù)用器/解復(fù)用器（八通道模擬多路復(fù)用器/多路分解器）
文件頁(yè)數(shù)： 12/16頁(yè)
文件大?。?/td> 126K
代理商： 74HCT4051
December 1990
12
Philips Semiconductors
Product specification
8-channel analog multiplexer/demultiplexer
74HC/HCT4051
ADDITIONAL AC CHARACTERISTICS FOR 74HC/HCT
Recommended conditions and typical values
GND = 0 V; T
amb
= 25
°
C
Notes to AC characteristics
1.
Adjust input voltage V
is
to 0 dBm level (0 dBm = 1 mW into 600
).
2.
Adjust input voltage V
is
to 0 dBm level at V
os
for 1 MHz (0 dBm = 1 mW into 50
).
General note
V
is
is the input voltage at a Y
n
or Z terminal, whichever is assigned as an input.
V
os
is the output voltage at a Y
n
or Z terminal, whichever is assigned as an output.
SYMBOL PARAMETER
typ.
UNIT
V
CC
(V)
V
EE
(V)
V
is(p
p)
(V)
CONDITIONS
sine-wave distortion
f = 1 kHz
sine-wave distortion
f = 10 kHz
switch “OFF” signal
feed-through
0.04
0.02
0.12
0.06
50
50
%
%
%
%
dB
dB
2.25
4.5
2.25
4.5
2.25
4.5
2.25
4.5
2.25
4.5
2.25
4.5
4.0
8.0
4.0
8.0
R
L
= 10 k
; C
L
= 50 pF
(see Fig.14)
R
L
= 10 k
; C
L
= 50 pF
(see Fig.14)
R
L
= 600
; C
L
= 50 pF
(see Figs 12 and 15)
R
L
= 600
; C
L
= 50 pF;
f = 1 MHz (E or S
n
,
square-wave between
V
CC
and GND,
t
r
= t
f
= 6 ns)
(see Fig.16)
R
L
= 50
; C
L
= 10 pF
(see Fig.13 and 14)
note 1
V
(p
p)
crosstalk voltage between
control and any switch
(peak-to-peak value)
110
220
mV
mV
4.5
4.5
0
4.5
f
max
minimum frequency
response (
3dB)
maximum switch capacitance
independent (Y)
common
170
180
MHz
MHz
2.25
4.5
2.25
4.5
note 2
C
S
(Z)
5
25
pF
pF
Fig.12 Typical switch “OFF” signal feed-through as a function of frequency.
Test conditions:
V
CC
= 4.5 V; GND = 0 V; V
EE
=
4.5 V;
R
L
= 50
; R
source
= 1 k
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