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MC14016B Просмотр технического описания (PDF) - Motorola => Freescale

Номер в каталоге
Компоненты Описание
производитель
MC14016B
Motorola
Motorola => Freescale Motorola
MC14016B Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
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 Vp–p ana-
log signal.
The digital control logic levels are determined by VDD and
VSS. The VDD voltage is the logic high voltage; the VSS volt-
age is logic low. For the example, VDD = + 5 V logic high at
the control inputs; VSS = GND = 0 V logic low.
The maximum analog signal level is determined by VDD
and VSS. The analog voltage must not swing higher than
VDD or lower than VSS.
The example shows a 5 Vp–p signal which allows no
margin at either peak. If voltage transients above VDD and/or
below VSS are anticipated on the analog channels, external
diodes (Dx) 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 VDD
and VSS is 18.0 V. Most parameters are specified up to 15 V
which is the recommended maximum difference between
VDD and VSS.
+5 V
+5 V
EXTERNAL
CMOS
DIGITAL
CIRCUITRY
VDD
5 Vp–p
SWITCH
ANALOG SIGNAL
IN
VSS
SWITCH
OUT
0–TO–5 V DIGITAL
CONTROL SIGNALS
MC14016B
5 Vp–p
ANALOG SIGNAL
+ 5.0 V
+ 2.5 V
GND
Figure A. Application Example
VDD
Dx
Dx
SWITCH
IN
SWITCH
OUT
VDD
Dx
Dx
VSS
VSS
Figure B. External Germanium or Schottky Clipping Diodes
MOTOROLA CMOS LOGIC DATA
MC14016B
71

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