MAX4541 データシートの表示（PDF） - Maxim Integrated

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MAX4541

Low-voltage, single-supply single SPDT analog switch.

Maxim Integrated 

Low-Voltage, Single-Supply

Dual SPST/SPDT Analog Switches

Pin Description

PIN

MAX4541

DIP/SO/

µMAX/

TDFN

1

SOT23-8

1

MAX4542

DIP/SO/

µMAX/

TDFN

—

SOT23-8

—

MAX4543

DIP/SO/

µMAX/

TDFN

1

SOT23-8

1

MAX4544

DIP/SO/

µMAX/

TDFN

—

SOT23-6

—

NAME

NAME

NO1

2

8

2

8

2

8

—

— COM1

3

3

3

3

3

3

—

—

IN2

4

6

4

6

4

6

4

3

GND

5

5

—

—

—

—

—

—

NO2

6

4

6

4

6

4

—

— COM2

7

7

7

7

7

7

—

—

IN1

8

2

8

2

8

2

8

2

V+

—

—

1

1

—

—

—

—

NC1

—

—

5

5

5

5

—

—

NC2

—

—

—

—

—

—

1

6

NO

—

—

—

—

—

—

2

5

COM

—

—

—

—

—

—

3

4

NC

—

—

—

—

—

—

5, 6

—

N.C.

—

—

—

—

—

—

7

1

IN

EP

—

EP

—

EP

—

EP

—

EP

FUNCTION

Analog Switch 1—Normally Open

Analog Switch 1—Common

Digital Control Input 2

Ground—Negative Supply Input

Analog Switch 2—Normally Open

Analog Switch 2—Common

Digital Control Input 1

Positive Supply Voltage Input

Analog Switch 1—Normally Closed

Analog Switch 2—Normally Closed

Analog Switch—Normally Open

Analog Switch—Common

Analog Switch—Normally Closed

Not Connected (Open Circuit)

Digital Control Input

Exposed Pad. Connect EP to V+.

Applications Information

POSITIVE SUPPLY

D1

V+

NO

COM

Vg

GND

D2

Figure 1. Overvoltage Protection Using Two External Blocking

Diodes

Logic Levels

The MAX4541–MAX4544 are TTL compatible when

powered from a single +5V supply. When powered

from other supply voltages, TTL compatibility is guar-

anteed and the logic inputs can be driven rail-to-rail.

For example, with a +12V supply, IN1 and IN2 can be

driven low to 0 and high to 12V. With a +3.3V supply,

IN1 and IN2 should be driven low to 0 and high to

3.3V.

Driving IN1 and IN2 rail-to-rail minimizes power con-

sumption.

Analog Signal Levels

Analog signals that range over the entire supply voltage

(V+ to GND) can be switched with very little change in

on-resistance over the entire voltage range (see the

Typical Operating Characteristics). All the switches are

bidirectional, so the NO_, NC_, and COM_ pins can be

used as either inputs or outputs.

6 _______________________________________________________________________________________

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