ISL3332 查看數據表（PDF） - Intersil

零件编号

产品描述 (功能)

生产厂家

ISL3332

3.3V, ±15kV ESD Protected, Two Port, Dual Protocol (RS-232/RS-485) Transceivers

Intersil 

ISL3332, ISL3333

Typical Operating Circuits

RS-232 MODE WITHOUT LOOPBACK

+3.3V

C1

0.1µF

C2

0.1µF

+ 0.1μF

1

+ C1+

2

C1-

28

+ C2+

27

C2-

26

VCC

4

A1

R

5kΩ

3

V+

+ C3

0.1µF

V- 15

C4

0.1µF

+

24 RA1

B1

Y1

Z1

VCC

5

R

5kΩ

6

D

25 RB1

RXEN1

(QFN ONLY)

22

DY1

7

D

DEN1

(QFN ONLY)

23

21

LB

8

SEL1

20

ON/OFF

GND

14

DZ1

VCC

VCC

NOTE: PINOUT FOR SSOP

SAME FOR PORT 2.

RS-485 MODE WITHOUT LOOPBACK

+3.3V

C1

0.1µF

C2

0.1µF

A1

B1

+ 0.1µF

1

+ C1+

2

C1-

28

+

C2+

27

C2-

4

5

6

Y1

7

Z1

26

VCC

R

D

3

V+

+ C3

0.1µF

V- 15

C4

0.1µF

+

24 RA1

RXEN1

(QFN ONLY)

25 RB1

22 DY1

VCC

VCC

23 DE1

8

SEL1

21

LB

20

ON/OFF

GND

14

VCC

VCC

NOTE: PINOUT FOR SSOP

SAME FOR PORT 2.

RS-232 MODE WITH LOOPBACK

+3.3V

C1

0.1µF

C2

0.1µF

+ 0.1µF

1

+ C1+

2

C1-

28

+ C2+

27

C2-

26

VCC

A1

4

R

5kΩ

3

V+

+ C3

0.1µF

V- 15

C4

0.1µF

+

24

RA1

B1

5

R

5kΩ

LB

Rx

25

RB1

6

Y1

22

D

DY1

Z1

VCC

7

D

DEN1

(QFN ONLY)

23

21

LB

8

SEL1

20

ON/OFF

GND

14

DZ1

GND

VCC

NOTE: PINOUT FOR SSOP

SAME FOR PORT 2.

RS-485 MODE WITH LOOPBACK

+3.3V

+ 0.1µF

C1

0.1µF

C2

0.1µF

1

+ C1+

2

C1-

28

+ C2+

27

C2-

A1 4

B1 5

26

VCC

R

3

V+

+ C3

0.1µF

V- 15

24

C4

0.1µF

+

RA1

LB

Rx

6

Y1

7

Z1

25

RB1

D

22 DY1

VCC

VCC

23 DE1

8

SEL1

21

LB

20

ON/OFF

GND

14

GND

VCC

NOTE: PINOUT FOR SSOP

SAME FOR PORT 2.

6

FN6362.0

May 27, 2008

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