TFDU4300-TR3 datasheet(9/15 Pages) VISHAY

Part #	TFDU4300-TR3

Description	Infrared Transceiver Module (SIR, 115.2 kbit/s)

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Manufacturer	VISHAY [Vishay Siliconix]

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VISHAY

TFDU4300

Document Number 82614

Rev. 1.4, 26-Jan-04

Vishay Semiconductors

www.vishay.com

9

One should keep in mind that basic RF - design rules

for circuit design should be taken into account. Espe-

cially longer signal lines should not be used without

termination. See e.g. "The Art of Electronics" Paul

Horowitz, Winfield Hill, 1989, Cambridge University

Press, ISBN: 0521370957.

Table 1.

Recommended Application Circuit Components

I/O and Software

In the description, already different I/Os are men-

tioned. Different combinations are tested and the

function verified with the special drivers available

from the I/O suppliers. In special cases refer to the

I/O manual, the Vishay application notes, or contact

directly Vishay Sales, Marketing or Application.

For operating at RS232 ports the ENDEC TOIM4232

is recommended.

18454

Vcc1 (6)

SD (5)

GND

RxD (4)

Vcc2 IREDA(1)

IREDC (2)

TxD (3)

Vlogic (7)

TFDU4300

V

DD =1.8 V

VCC =3.3 V

R1

47

Ω

C1

C2

C4

IR Controller

IRRX

IRTX

IRMODE

Vdd

GND

C3

(8)

Block Diagram of Transceiver with a Separate

V

Power Supply (I/O voltage follows V

voltage swing)

logic

DD

Figure 2.

18455

Vcc1 (6)

SD (5)

GND

RxD (4)

Vcc2 IREDA(1)

IREDC (2)

TxD (3)

Vlogic (7)

TFDU4300

V

CC =3.3 V

R1

47

Ω

C1

C3

C2

IR Controller

IRRX

IRTX

IRMODE

Vdd

GND

(8)

Block Diagram of Transceiver with a Common Power Supply

for V

and V

(I/O voltage follows V

voltage swing)

C4

CC

logic

CC

Figure 3.

Component

Recommended Value

Vishay Part Number

C1, C3

4.7

µF, 16 V

293D 475X9 016B

C2, C4

0.1

µF, Ceramic

VJ 1206 Y 104 J XXMT

R1

depends on current to be adjusted

R2

47

Ω, 0.125 W

CRCW-1206-47R0-F-RT1

Similar Part No. - TFDU4300-TR3

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