TFDU4101-TT3 datasheet(4/16 Pages) VISHAY

Part #	TFDU4101-TT3

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

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Manufacturer	VISHAY [Vishay Siliconix]

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Document Number 81288

Rev. 1.0, 11-Jul-06

TFDU4101

Vishay Semiconductors

Electrical Characteristics

Transceiver

Tamb = 25 °C, VCC1 = VCC2 = 2.4 V to 5.5 V unless otherwise noted.

Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.

*) Standard Illuminant A

**) The typical threshold level is 0.5 x V

CC1. It is recommended to use the specified min/ max values to avoid increased operating current.

Parameter

Test Conditions/Pins

Symbol

Min

Typ.

Max

Unit

Supply voltage

VCC1

2.4

5.5

V

Dynamic supply current

SD = Low, Ee = 1 klx*

),

Tamb = - 25 °C to + 85 °C

Vcc1 = VCC2 = 2.4 V to 5.5 V

ICC1

90

130

µA

Dynamic supply current

SD = Low, Ee = 1 klx*

),

Tamb = 25 °C

Vcc1 = VCC2 = 2.4 V to 5.5 V

ICC1

75

µA

Average dynamic supply

current, transmitting

IIRED = 300 mA,

25 % Duty Cycle

ICC

0.65

mA

Shutdown supply current

SD = High, T = 25 °C, Ee = 0 klx

No signal, no resistive load

ISD

0.1

µA

SD = High, T = 70 °C

No signal, no resistive load

ISD

3µA

SD = High, T = 85 °C

No signal, no resistive load

ISD

4µA

Operating temperature range

TA

- 30

+ 85

°C

Output voltage Low, RXD

Cload = 15 pF

VOL

- 0.5

0.15 x

VCC1

V

Output voltage High, RXD

IOH = - 500 µA, CLoad = 15 pF

VOH

0.8 x VCC1

VCC1 + 0.5

V

IOH = - 250 µA, CLoad = 15 pF

VOH

0.9 x VCC1

VCC1 + 0.5

V

RXD to VCC1 impedance

RRXD

400

500

600

k

Ω

Input voltage low (TXD, SD)

VIL

- 0.5

0.5

V

Input voltage High (TXD, SD)

1.5 V

≤ V

logic ≤ 2.5 V**

)

VIH

0.8 x VCC1

6V

Vlogic > 2.5 V**

)

VIH

VCC1 - 0.5

6

V

Input leakage current (TXD, SD) Vin = 0.9 x VCC1

IICH

- 2

+ 2

µA

Controlled pull down current

0 < Vin < 0.15 VCC1

Vin > 0.7 VCC1

SD, TXD = "0" or "1"

IIrTX

- 1

0

+ 150

1

µA

Input capacitance (TXD, SD)

CI

5pF

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