參數(shù)資料
型號: MC14066BCP
廠商: ON SEMICONDUCTOR
元件分類: 運(yùn)動(dòng)控制電子
英文描述: Quad Analog Switch/Quad Multiplexer
中文描述: QUAD 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDIP14
封裝: PLASTIC, DIP-14
文件頁數(shù): 7/12頁
文件大?。?/td> 276K
代理商: MC14066BCP
MC14066B
http://onsemi.com
7
APPLICATIONS INFORMATION
Figure A illustrates use of the Analog Switch. The 0–
to–5 volt digital control signal is used to directly control a
5 volt peak–to–peak analog signal.
The digital control logic levels are determined by V
DD
and V
SS
. The V
DD
voltage is the logic high voltage, the V
SS
voltage is logic low. For the example, V
DD
= + 5 V = logic
high at the control inputs; V
SS
= GND = 0 V = logic low.
The maximum analog signal level is determined by V
DD
and V
SS
. The analog voltage must not swing higher than
V
DD
or lower than V
SS
.
The example shows a 5 volt peak–to–peak signal which
allows no margin at either peak. If voltage transients above
V
DD
and/or below V
SS
are anticipated on the analog
channels, external diodes (D
x
) are recommended as shown
in Figure B. These diodes should be small signal types able
to absorb the maximum anticipated current surges during
clipping.
The
absolute
maximum potential difference between
V
DD
and V
SS
is 18.0 volts. Most parameters are specified up
to 15 volts which is the
recommended
maximum difference
between V
DD
and V
SS
.
Figure A. Application Example
+5 V
V
DD
V
SS
5 V
p–p
ANALOG SIGNAL
0–TO–5 V DIGITAL
CONTROL SIGNALS
SWITCH
IN
MC14066B
SWITCH
OUT
5 V
p–p
ANALOG SIGNAL
+5.0 V
+
2.5 V
GND
+5 V
EXTERNAL
CMOS
DIGITAL
CIRCUITRY
Figure B. External Germanium or Schottky Clipping Diodes
V
DD
V
DD
V
SS
V
SS
D
X
D
X
D
X
D
X
SWITCH
IN
SWITCH
OUT
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