MC74HC4052ADTR2 datasheet(10/16 Pages) ONSEMI

Part #	MC74HC4052ADTR2

Description	Analog Multiplexers/Demultiplexers

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Manufacturer	ONSEMI [ON Semiconductor]

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MC74HC4051A, MC74HC4052A, MC74HC4053A

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10

RL

Figure 12. Crosstalk Between Any Two

Switches, Test Set–Up

Figure 13. Power Dissipation Capacitance,

Test Set–Up

Figure 14a. Total Harmonic Distortion, Test Set–Up

Figure 14b. Plot, Harmonic Distortion

0

–10

–20

–30

–40

–50

– 100

1.0

2.0

3.125

FREQUENCY (kHz)

–60

–70

–80

–90

FUNDAMENTAL FREQUENCY

DEVICE

SOURCE

ON

6

7

8

16

VEE

CL*

*Includes all probe and jig capacitance

OFF

RL

VIS

RL

CL*

VOS

fin

0.1

µF

ON/OFF

6

7

8

16

VCC

CHANNEL SELECT

NC

COMMON O/I

OFF/ON

ANALOG I/O

VCC

A

11

VCC

VEE

ON

6

7

8

16

VCC

VEE

0.1

µF

CL*

fin

RL

TO

DISTORTION

METER

*Includes all probe and jig capacitance

VOS

VIS

APPLICATIONS INFORMATION

The Channel Select and Enable control pins should be at

VCC or GND logic levels. VCC being recognized as a logic

high and GND being recognized as a logic low. In this

example:

VCC = +5V = logic high

GND = 0V = logic low

The maximum analog voltage swings are determined by

the supply voltages VCC and VEE. The positive peak analog

voltage should not exceed VCC. Similarly, the negative peak

analog voltage should not go below VEE. In this example,

the difference between VCC and VEE is ten volts. Therefore,

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

outputs to VCC or GND through a low value resistor helps

minimize crosstalk and feedthrough noise that may be

picked up by an unused switch.

Although used here, balanced supplies are not a

requirement. The only constraints on the power supplies are

that:

VCC – GND = 2 to 6 volts

VEE – GND = 0 to –6 volts

VCC – VEE = 2 to 12 volts

and VEE ≤ GND

Whenvoltage transients above VCCand/orbelowVEEare

anticipated on the analog channels, external Germanium or

Schottky diodes (Dx) are recommended as shown in Figure

16. These diodes should be able to absorb the maximum

anticipated current surges during clipping.

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