TFDU4202-TR1 datasheet(5/13 Pages) VISHAY

Part #	TFDU4202-TR1

Description	Integrated Low Profile Transceiver Module for Telecom Applications - IrDA Standard

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Manufacturer	VISHAY [Vishay Siliconix]

Direct Link	http://www.vishay.com

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TFDU4202

Document Number 82541

Rev. 1.8, 05-Dec-05

Vishay Semiconductors

www.vishay.com

5

Transmitter

Truth table

Parameter

Test Conditions

Symbol

Min

Typ.

Max

Unit

Logic low transmitter input

voltage

VIL(TXD)

- 0.5

0.15 x VCC

V

Logic high transmitter input

voltage

VIH(TXD)

0.8 x VCC

6V

Output radiant intensity

IF1 = 320 mA, | α | ≤ ± 15 °,

current controlled by external

resistor, voltage range

2.7 V to 5.5 V

Ie

45

mW/sr

Peak emission wavelength

λ

p

850

900

nm

Spectral emission bandwidth

60

nm

Optical rise/fall time

115.2 kHz square wave signal

(duty cycle 1 : 1)

200

ns

Optical output pulse duration

input pulse duration 1.6 µs

1.5

1.6

1.7

µs

input pulse duration > 25 µs,

safety protection

25

µs

Output radiant intensity

logic low level

0.04

µW/sr

Overshoot, optical

25

%

Rising edge peak to peak jitter

over a period of 10 bits,

independent of information

content

tj

0.2

µs

Inputs

Outputs

VCC

TXD

Optical input Irradiance mW/m2

RXD

Transmitter

low

x

low

0

high

x

high

Ie

high

≥ 25 µs

x

high

0

low

< 4

high

0

low

> Min. detection threshold irradiance

< Max. detection threshold irradiance

x0

low

> Max. detection threshold irradiance

undefined

0

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TFDU4202-TR1 Datasheet(PDF) 5 Page - Vishay Siliconix

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