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參數(shù)資料
| 型號(hào)： | MC74VHC4066 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Quad Analog Switch/Multiplexer/Demultiplexer(四模擬開(kāi)關(guān)/多路復(fù)用器/分配器) |
| 中文描述： | 四模擬開(kāi)關(guān)/多路復(fù)用器/多路解復(fù)用器（四模擬開(kāi)關(guān)/多路復(fù)用器/分配器） |
| 文件頁(yè)數(shù)： | 9/12頁(yè) |
| 文件大?。?/td> | 141K |
| 代理商： | MC74VHC4066 |
http://onsemi.com
9
0
-10
-20
-30
-40
-50
1.0
2.0
FREQUENCY (kHz)
d
-60
-70
-80
-90
FUNDAMENTAL FREQUENCY
DEVICE
SOURCE
Figure 19. Plot, Harmonic Distortion
3.0
ON
V
CC
0.1
μ
F
C
L
*
f
in
R
L
TO
DISTORTION
METER
*Includes all probe and jig capacitance.
V
OS
V
IS
7
SELECTED
CONTROL
INPUT
V
CC
Figure 20. Total Harmonic Distortion, Test Set–Up
V
CC/2
APPLICATION INFORMATION
The ON/OFF Control pins should be at V
CC
or GND logic
levels, V
CC
being recognized as logic high and GND being
recognized as a logic low. Unused analog inputs/outputs
may be left floating (not connected). However, it is
advisable to tie unused analog inputs and outputs to V
CC
or
GND through a low value resistor. This minimizes crosstalk
and feedthrough noise that may be picked–up by the
unused I/O pins.
The maximum analog voltage swings are determined by
the supply voltages V
CC
and GND. The positive peak
analog voltage should not exceed V
CC
. Similarly, the
negative peak analog voltage should not go below GND. In
the example below, the difference between V
CC
and GND is
twelve volts. Therefore, using the configuration in Figure 21,
a maximum analog signal of twelve volts peak–to–peak can
be controlled.
When voltage transients above V
CC
and/or below GND
are anticipated on the analog channels, external diodes
(Dx) are recommended as shown in Figure 22. These
diodes should be small signal, fast turn–on types able to
absorb the maximum anticipated current surges during
clipping. An alternate method would be to replace the Dx
diodes with Mosorbs (high current surge protectors).
Mosorbs are fast turn–on devices ideally suited for precise
DC protection with no inherent wear out mechanism.
ANALOG O/I
ON
14
V
CC
= 12 V
ANALOG I/O
+ 12 V
0 V
+ 12 V
0 V
OTHER CONTROL
INPUTS
(V
CC
OR GND)
ON
16
V
CC
D
x
D
x
V
CC
D
x
Figure 21. 12 V Application
Figure 22. Transient Suppressor Application
7
SELECTED
CONTROL
INPUT
D
x
OTHER CONTROL
INPUTS
(V
CC
OR GND)
7
SELECTED
CONTROL
INPUT
V
CC
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| MC74VHC4066DT | 制造商:ON Semiconductor 功能描述:Analog Switch Quad SPST 14-Pin TSSOP Rail 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| MC74VHC4066DTR2 | 功能描述:多路器開(kāi)關(guān) IC 2-12V ANLG Mux/Demux RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
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