TOIM4232 datasheet(7/14 Pages) VISHAY

Part #	TOIM4232

Description	SIR Endec for IrDA Applications Integrated Interface Circuit

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Manufacturer	VISHAY [Vishay Siliconix]

Direct Link	http://www.vishay.com

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TOIM4232

Document Number 82546

Rev. 1.5, 06-Jun-06

Vishay Semiconductors

www.vishay.com

7

Table 2.

Recommended Application Circuit Components

RXD

DTS (Reset)

TXD

DTS (BR/D)

VCC

U4

TFDU4300

2

4

6

8

7

5

3

1

Cathode

RXD

VCC1

GND

Vlog

SD

TXD

Anode

J1

CON9

1

2

3

4

5

6

7

8

9

+ C4

+

C3

+

C6

+

C5

U2

TOIMx232

1

2

3

4

5

6

7

8

9

15

14

13

12

11

10

16

Reset

BR/Data

RD 232

TD 232

Vcc SD

X1

X2

GNDTD LED

RD IR

TD IR

S2

S1

NC

RD LED

Vcc

+

C7

U1

MAX3232CSE

13

8

11

10

1

3

4

5

2

6

12

9

14

7

16

15

R1IN

R2IN

T1IN

T2IN

C+

C1-

C2+

C2-

V+

V-

R1OUT

R2OUT

T1OUT

T2OUT

VCC

GND

C8

C9

R2

Z2

R1

+ C2

C1

Y1

J2

CON2

1

2

R4

R3

C11

+

C10

ext.

inputmax

3,6V DC

opt.

18240

Application circuit using TFDU4300 with an integrated

level shifter MAX3232E. When used directly with

3 V

logic, this one can be omitted

Component

Recommended Value

Vishay Part Number

1

C1

100 nF

VJ 1206 Y 104 J XXMT

2

C2

10 µF, 16 V

293D106X9016B2T

3

C3

100 nF

VJ 1206 Y 104 J XXMT

4

C4

100 nF

VJ 1206 Y 104 J XXMT

5

C5

100 nF

VJ 1206 Y 104 J XXMT

6

C6

100 nF

VJ 1206 Y 104 J XXMT

7

C7

1 µF, 16 V

293D105X9016A2T

8

C8

22 pF

VJ 1206 A 220 J XAMT

9

C9

22 pF

VJ 1206 A 220 J XAMT

10

C10

6.8 µF, 16 V

293D 685X9 016B 2T

11

C11

100 nF

VJ 1206 Y 104 J XXMT

12

Z2

3.6 V

BZT55C3V6

13

R1

5.6 k

Ω

CRCW-1206-5601-F-RT1

14

R2

100 k

Ω (up to 1 MΩ, or omitted)

CRCW-1206-1003-F-RT1

15

R3

47

Ω

CRCW-1206-47R0-F-RT1

16

R4

20

Ω

CRCW-1206-20R0-F-RT1

17

Y1

3.686400 MHz

XT49S - 20 - 3.686400M

18

U1

MAXIM MAX 3232E

19

U2

TOIM4232

20

U3

TFDU4300

21

J1

9 Pin - D-Sub

Cannon

22

J2

Power connector

23

PCB

VISHAY Dongle_4

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