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Vishay Intertechnology Electronic Components Datasheet

TFDU4100 Datasheet

2.7V to 5.5V Serial Infrared Transceiver

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TFDU4100/TFDS4500/TFDT4500
Vishay Telefunken
2.7 V to 5.5 V Serial Infrared Transceiver
Module Family (SIR, 115.2 kbit/s)
Description
The TFDU4100, TFDS4500, and TFDT4500 are a
family of low–power infrared transceiver modules
compliant to the IrDA 1.2 standard for serial infrared
(SIR) data communication, supporting IrDA speeds up
to 115.2 kbit/s. Integrated within the transceiver
modules are a photo PIN diode, infrared emitter
(IRED), and a low–power analog control IC to provide
a total front–end solution in a single package.
Telefunken’s SIR transceivers are available in three
package options, including our BabyFace package
(TFDU4100), the smallest SIR transceiver available
on the market. This wide selection provides flexibility
for a variety of applications and space constraints. The
transceivers are capable of directly interfacing with a
wide variety of I/O chips which perform the
pulse–width modulation/demodulation function,
including Telefunken’s TOIM3000/ TOIM3232. At a
minimum, a current– limiting resistor in series with the
infrared emitter and a VCC bypass capacitor are the
only external components required to implement a
complete solution.
Features
D Compliant to IrDA 1.2 (Up to 115.2 kbit/s)
D 2.7 to 5.5 V Wide Operating Voltage Range
D Low–Power Consumption (1.3 mA Supply Current)
D Power Sleep Mode Through VCC1/SD Pin
(5 nA Sleep Current)
D Long Range (Up to 3.0 m at 115.2 k/bit/s)
D Three Surface Mount Package Options
– Universal (9.7 × 4.7 × 4.0 mm)
– Side View (13.0 × 5.95 × 5.3 mm)
– Top View (13.0 × 7.6 × 5.95 mm)
D BabyFace (Universal) Package Capable of
Surface Mount Solderability to Side and Top View
Orientation
D Directly Interfaces with Various Super I/O and
Controller Devices and Telefunken’s TOIM3000
and TOIM3232 I/Os
D Built–In EMI Protection – No External Shielding
Necessary
D Few External Components Required
D Backward Compatible to all Telefunken
SIR Infrared Transceivers
Applications
D Notebook Computers, Desktop PCs, Palmtop
Computers (Win CE, Palm PC), PDAs
D Digital Still and Video Cameras
D Printers, Fax Machines, Photocopiers, Screen
Projectors
D Telecommunication Products
(Cellular Phones, Pagers)
D Internet TV Boxes, Video Conferencing Systems
D External Infrared Adapters (Dongles)
D Medical and Industrial Data Collection Devices
Package Options
TFDU4100
Baby Face (Universal)
TFDS4500
Side View
TFDT4500
Top View
Document Number 82514
Rev. A1.1, 09-Jul-99
www.vishay.de FaxBack +1-408-970-5600
1 (13)


Vishay Intertechnology Electronic Components Datasheet

TFDU4100 Datasheet

2.7V to 5.5V Serial Infrared Transceiver

No Preview Available !

TFDU4100/TFDS4500/TFDT4500
Vishay Telefunken
Ordering Information
Part Number
TFDU4100–TR3
TFDU4100–TT3
TFDS4500–TR3
TFDT4500–TR3
Qty / Reel
1000 pcs
1000 pcs
750 pcs
750 pcs
Description
Oriented in carrier tape for side view surface mounting
Oriented in carrier tape for top view surface mounting
Functional Block Diagram
VCC1/SD
Amplifier
Comparator
Driver
VCC2
Rxd
R1
SC
AGC
Logic
Txd
Open Collector Driver
IRED Anode
IRED Cathode
Pin Description
GND
Figure 1. Functional Block Diagram
14876
Pin Number
“U” and “T” Option “S” Option
18
21
37
42
56
63
75
84
Function
IRED Anode
IRED Cathode
Txd
Rxd
NC
VCC1 / SD
SC
GND
Description
IRED anode, should be externally con-
nected to VCC2 through a current control
resistor
IRED cathode, internally connected to
driver transistor
Transmit Data Input
Received Data Output, open collector.
No external pull–up or pull–down resistor
Wis required (20 k resistor internal to de-
vice). Pin is inactive during transmission.
Do not connect
Supply Voltage / Shutdown
Sensitivity control
Ground
I/O Active
I HIGH
O LOW
I HIGH
www.vishay.de FaxBack +1-408-970-5600
2 (13)
Document Number 82514
Rev. A1.1, 09-Jul-99


Part Number TFDU4100
Description 2.7V to 5.5V Serial Infrared Transceiver
Maker Vishay
Total Page 13 Pages
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