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參數(shù)資料
| 型號(hào)： | CD4016 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Quad Analog Switch/Quad Multiplexer |
| 中文描述： | 四模擬開(kāi)關(guān)/四復(fù)用器 |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大?。?/td> | 260K |
| 代理商： | CD4016 |
MC14016B
http://onsemi.com
8
APPLICATIONS INFORMATION
Figure A illustrates use of the Analog Switch. The 0–to–5
V Digital Control signal is used to directly control a 5 V
p–p
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 V
p–p
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 V. Most parameters are specified up to
15 V which is the
recommended
maximum difference
between V
DD
and V
SS
.
Figure A. Application Example
+5 V
V
DD
V
SS
SWITCH
IN
SWITCH
OUT
5 V
p–p
ANALOG SIGNAL
0–TO–5 V DIGITAL
CONTROL SIGNALS
+5 V
EXTERNAL
CMOS
DIGITAL
CIRCUITRY
5 V
p–p
ANALOG SIGNAL
MC14016B
+5.0 V
+2.5 V
GND
Figure B. External Germanium or Schottky Clipping Diodes
V
DD
V
DD
D
x
D
x
D
x
D
x
V
SS
V
SS
SWITCH
IN
SWITCH
OUT
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