TFDU6103_09 datasheet(5/13 Pages) VISHAY

Part #	TFDU6103

Description	Fast Infrared Transceiver Module (FIR, 4 Mbit/s) for 2.4 V to 5.5 V Operation

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Manufacturer	VISHAY [Vishay Siliconix]

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TFDU6103

Fast Infrared Transceiver Module (FIR, 4 Mbit/s)

for 2.4 V to 5.5 V Operation

Vishay Semiconductors

Document Number: 81211

For technical questions within your region, please contact one of the following:

irdasupportAM@vishay.com, irdasupportAP@vishay.com, irdasupportEU@vishay.com

www.vishay.com

Rev. 1.4, 29-Jul-09

5

Notes

(1) Tamb = 25 °C, VCC = 2.4 V to 5.5 V unless otherwise noted. All timing data measured with 4 Mbit/s are measured using the IrDA FIR

transmission header. The data given here are valid 5 µs after starting the preamble.

Typical values are for design aid only, not guaranteed nor subject to production testing.

(2) This parameter reflects the backlight test of the IrDA physical layer specification to guarantee immunity against light from fluorescent lamps.

(3) IrDA sensitivity definition: minimum irradiance Ee in angular range, power per unit area. The receiver must meet the BER specification while

the source is operating at the minimum intensity in angular range into the minimum half-angular range at the maximum link length.

(4) Maximum irradiance Ee in angular range, power per unit area. The optical delivered to the detector by a source operating at the maximum

intensity in angular range at minimum link length must not cause receiver overdrive distortion and possible related link errors. If placed at the

active output interface reference plane of the transmitter, the receiver must meet its bit error ratio (BER) specification. For more definitions

see the document “Symbols and Terminology” on the Vishay website

(5) Retriggering once during applied optical pulse may occur.

(6) Maximum value is given by eye safety class 1, IEC 60825-1, simplified method.

(7) Due to this wavelength restriction compared to the IrDA spec of 850 nm to 900 nm the transmitter is able to operate as source for the standard

remote control applications with codes as e.g. Philips RC5/RC6® or RECS 80. When operated under IrDA full range conditions (125 mW/sr)

the RC range to be covered is in the range from 8 m to 12 m, provided that state of the art remote control receivers are used.

TRANSMITTER

IRED operating current,

switched current limiter

Note: no external current limiting resistor is needed

for

VCC1 = VCC2 = 3.3 V

ID

330

440

600

mA

Output pulse width limitation

Input pulse width t < 20 µs

tpw

tµs

Input pulse width 20 µs < t < 150 µs

tpw

18

150

µs

Input pulse width t

 150 µs

tpw_lim

150

µs

Output leakage IRED current

IIRED

- 1

1

µA

Output radiant intensity,

see figure 1, recommended

application circuit

VCC = VIRED = 3.3 V,  = 0°

TXD = high, SD = low, R1 = 1



Ie

110

170

468 (6)

mW/sr

Output radiant intensity,

see figure 1, recommended

application circuit

VCC = VIRED = 3.3 V,  = 0°, 15°

TXD = high, SD = low, R1 = 1



Ie

100

130

468 (6)

mW/sr

Output radiant intensity

VCC1 = 3.3 V,  = 0°, 15°

TXD = low or SD = high (receiver is inactive as long

as SD = high)

Ie

0.04

mW/sr

Output radiant intensity, angle

of half intensity



± 24

deg

Peak - emission wavelength (7)



p

875

886

900

nm

Spectral bandwidth



45

nm

Optical rise time,

Optical fall time

tropt ,

tfopt

10

40

ns

Optical output pulse duration

Input pulse width 217 ns, 1.152 Mbit/s

topt

207

217

227

ns

Input pulse width 125 ns, 4 Mbit/s

topt

117

125

133

ns

Input pulse width 250 ns, 4 Mbit/s

topt

242

250

258

ns

Optical overshoot

25

%

OPTOELECTRONIC CHARACTERISTICS (1)

PARAMETER

TEST CONDITIONS

SYMBOL

MIN.

TYP.

MAX.

UNIT

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