mc74lvxt4052 ON Semiconductor, mc74lvxt4052 Datasheet - Page 11

• Manufacturer Part Number: mc74lvxt4052
• Description: Analog Multiplexer Demultiplexer
• Manufacturer: ON Semiconductor

V
high and GND being recognized as a logic low. In this
example:
supply voltages V
voltage should not exceed V
analog voltage should not go below V
the difference between V
using the configuration of Figure 21, a maximum analog
signal of five volts peak−to−peak can be controlled. Unused
analog inputs/outputs may be left floating (i.e., not
connected). However, tying unused analog inputs and
+3.0 V
−3.0 V
CC
The Channel Select and Enable control pins should be at
The maximum analog voltage swing is determined by the
or GND logic levels. V
−3.0 V
Figure 20. Application Example
ANALOG
SIGNAL
V
GND = 0 V = logic low
CC
CC
= )5 V = logic high
and V
6
7
8
CC
ON
and V
CC
CC
EE
Figure 22. External Germanium or Schottky Clipping Diodes
. Similarly, the negative peak
16
10
11
. The positive peak analog
being recognized as a logic
9
EE
ANALOG
SIGNAL
is five volts. Therefore,
+3.0 V
TO EXTERNAL CMOS
CIRCUITRY 0 to 3.0 V
DIGITAL SIGNALS
EE
. In this example,
APPLICATIONS INFORMATION
V
V
V
D
D
EE
CC
EE
x
x
+3.0 V
−3.0 V
MC74LVXT4052
http://onsemi.com
7
8
ON/OFF
11
V
outputs to V
minimize crosstalk and feedthrough noise that may be
picked up by an unused switch.
requirement. The only constraints on the power supplies are
that:
anticipated on the analog channels, external Germanium or
Schottky diodes (D
Figure 22. These diodes should be able to absorb the
maximum anticipated current surges during clipping.
16
CC
+5 V
GND
Although used here, balanced supplies are not a
When voltage transients above V
V
V
D
D
CC
EE
x
x
Figure 21. Application Example
CC
ANALOG
SIGNAL
V
V
or GND through a low value resistor helps
V
EE
CC
CC
− GND = 0 to *6 volts
− GND = 2.5 to 6 volts
and V
− V
x
) are recommended as shown in
6
7
8
EE
ON
EE
= 2.5 to 6 volts
16
10
v GND
11
9
ANALOG
SIGNAL
CC
+5 V
TO EXTERNAL CMOS
CIRCUITRY 0 to 5 V
DIGITAL SIGNALS
and/or below V
+5 V
GND
EE
are