MC74HC4051A ON Semiconductor, MC74HC4051A Datasheet - Page 10

• Manufacturer Part Number: MC74HC4051A
• Description: (MC74HC4051A - MC74HC4053A) Analog Multiplexers/Demultiplexers
• Manufacturer: ON Semiconductor

V
high and GND being recognized as a logic low. In this
example:
the supply voltages V
voltage should not exceed V
analog voltage should not go below V
the difference between V
using the configuration of Figure 15, a maximum analog
signal of ten 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
f
in
f
in
CC
The Channel Select and Enable control pins should be at
The maximum analog voltage swings are determined by
Figure 14a. Total Harmonic Distortion, Test Set−Up
0.1mF
or GND logic levels. V
V
V
EE
0.1mF
EE
Figure 12. Crosstalk Between Any Two
R
L
V
IS
V
R
IS
L
*Includes all probe and jig capacitance
V
6
7
8
GND = 0V = logic low
Switches, Test Set−Up
CC
6
7
8
*Includes all probe and jig capacitance
CC
ON
= +5V = logic high
OFF
ON
and V
CC
CC
16
V
and V
CC
CC
MC74HC4051A, MC74HC4052A, MC74HC4053A
16
. Similarly, the negative peak
EE
being recognized as a logic
. The positive peak analog
EE
R
L
R
is ten volts. Therefore,
L
V
EE
OS
. In this example,
C
APPLICATIONS INFORMATION
L
C
*
L
*
DISTORTION
METER
R
L
TO
http://onsemi.com
V
OS
C
L
*
10
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
16. These diodes should be able to absorb the maximum
anticipated current surges during clipping.
− 100
−10
−20
−30
−40
−50
−60
−70
−80
−90
Although used here, balanced supplies are not a
When voltage transients above V
0
Figure 13. Power Dissipation Capacitance,
1.0
Figure 14b. Plot, Harmonic Distortion
CC
ANALOG I/O
FUNDAMENTAL FREQUENCY
V
EE
V
or GND through a low value resistor helps
V
V
EE
CC
CC
x
V
) are recommended as shown in Figure
CC
− GND = 0 to −6 volts
and V
− V
− GND = 2 to 6 volts
Test Set−Up
FREQUENCY (kHz)
EE
CHANNEL SELECT
6
7
8
EE
ON/OFF
OFF/ON
= 2 to 12 volts
2.0
≤ GND
CC
V
16
11
CC
DEVICE
SOURCE
and/or below V
A
COMMON O/I
V
CC
EE
NC
3.125
are