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PDF TFDU5307 Data sheet ( Hoja de datos )
| Número de pieza | TFDU5307 | |
| Descripción | Fast Low Profile (2.5 mm) Infrared Transceiver Module | |
| Fabricantes | Vishay Siliconix | |
| Logotipo |  |
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TFDU5307
Vishay Semiconductors
Fast Low Profile (2.5 mm) Infrared Transceiver Module
(MIR, 1.152 Mbit/s) for IrDA® Applications
Description
The TFDU5307 is an infrared transceiver module
compliant to the latest IrDA physical layer standard,
supporting IrDA speeds up to 1.152 Mbit/s (MIR) and
carrier based remote control modes up to 2 MHz. Inte-
grated within the transceiver module are a PIN photo-
diode, an infrared emitter (IRED), and a low-power
control IC to provide a total front-end solution in a sin-
gle package.
This Vishay MIR transceiver is built in a low profile
package using the experiences of the lead frame
babyface technology. The transceivers are capable of
directly interfacing with a wide variety of I/O devices,
which perform the modulation/ demodulation function.
At a minimum, a VCC bypass capacitor and a serial
resistor for current control are the only external com-
ponents required implementing a complete solution.
TFDU5307 has a tri-state output and is floating in
shutdown mode with a weak pull-up.
Features
• Compliant to the latest IrDA physical
layer specification (up to 1.152 Mbit/s)
and TV Remote Control, bi-directional
operation included.
e3
• Sensitivity covers full IrDA range.
Recommended operating range is from nose to
nose to 70 cm
• Operates from
2.7 V to 5.5 V within specification
• Low power consumption (typ. 0.55 mA
Supply current in receive mode, no signal)
• Power shutdown mode (< 5 µA Shutdown Current
in Full Temperature Range, up to 85 °C)
• Surface mount package, low profile
universal (L 8.5 mm x W 2.9 mm x H 2.5 mm)
Capable of surface mount soldering to Side and
top view orientation
• Backward pin compatible to Vishay
Semiconductors SIR and MIR infrared
transceivers
• High efficiency emitter
• Directly interfaces with various super I/O and con-
troller devices
• Tri-state-receiver output, floating in shut down with
a weak pull-up
• Split power supply, transmitter and receiver can be
operated from two power supplies with relaxed
requirements saving costs, US Patent No.
6,157,476
• Logic voltage 1.5 V to 5.5 V is independent of
IRED driver and analog supply voltage
• Only one external component required
• TV remote control supported
• Transmitter intensity can be adjusted by an
external resistor for extended range (> 0.7 m) or
minimum low
power (> 0.2 m) IrDA compliance.
• Lead (Pb)-free device
• Device in accordance to RoHS 2002/95/EC and
WEEE 2002/96EC
Applications
• Telecommunication products (cellular phones,
pagers)
• Digital still and video cameras
• Printers, fax machines, photocopiers, screen pro-
jectors
• Low power consumption (typ. 0.55 mA
Supply current in receive mode, no signal)
Document Number 82616
Rev. 1.5, 07-Apr-06
• Medical and industrial data collection
• Notebook computers, desktop PCs, Palmtop
Computers (Win CE, Palm PC), PDAs
• Internet TV boxes, video conferencing systems
• External infrared adapters (dongles)
• Kiosks, POS, Point and Pay devices including
IrFM - applications
www.vishay.com
1
1 page  
Optoelectronic Characteristics
TFDU5307
Vishay Semiconductors
Receiver
Tamb = 25 °C, VCC = 2.7 V to 5.5 V unless otherwise noted.
Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
Parameter
Minimum detection threshold
irradiance
Test Conditions
9.6 kbit/s to 1.152 Mbit/s
λ = 850 nm - 900 nm
Maximum detection threshold λ = 850 nm - 900 nm
irradiance
No detection receiver input
irradiance
Rise time of output signal
Fall time of output signal
RXD pulse width of output
signal, default mode after power
on or reset
SIR ENDEC compatibility
mode*): RXD pulse width of
output signal
Stochastic jitter, leading edge
Standby /Shutdown delay
Shutdown active time window
for programming
Receiver start up time power on
delay shutdown recovery delay
Latency
Threshold! No RXD output
below this irradiance value
allowed
10 % to 90 %, CL = 15 pF,
Vlogic = VCC
90 % to 10 %, CL = 15 pF,
Vlogic = VCC
input pulse length
PWopt > 200 ns
input pulse length
PWopt > 200 ns, see chapter
"Programming"
input irradiance = 100 mW/m2,
1.152 Mbit/s, 576 kbit/s
input irradiance = 100 mW/m2,
≤ 115.2 kbit/s
after shutdown active or (SD low
to high transition)
During this time the pulse
duration of the output can be
programmed to the application
mode. see chapter
"Programming"
after shutdown inactive (SD high
to low transition) and after
power-on
Symbol
Ee
Ee
Ee
tr(RXD)
tf(RXD)
tPW
tPW
tL
Min
4
(0.4)
20
20
300
Typ.
40
(4)
5
(500)
400
Max
90
(9)
60
Unit
mW/m2
(µW/cm2)
kW/m2
(mW/cm2)
mW/m2
(µW/cm2)
ns
60 ns
500 ns
1.7 2.0 2.9 µs
80 ns
350 ns
0.6 1.5 ms
600 µs
300 µs
200 µs
*) Some ENDECs are not able to decode short pulses as valid SIR pulses. Therefore this additional mode was added in TFDU5307.
TFDU5307 is set to the "short output pulse" as default after power on, also after recovering from the shutdown mode (SD must have been
longer active than 1.5 ms). For mode changing see the chapter "Programming"
Document Number 82616
Rev. 1.5, 07-Apr-06
www.vishay.com
5
5 Page 
TFDU5307
Vishay Semiconductors
280
260
240
220
200
180
160
140
120
100
80
60
40
20
0
0
Tpeak = 260 °C max
< 4 °C/s
1.3 °C/s
Time above 217 °C t ≤ 70 s
Time above 250 °C t ≤ 40 s
Peak temperature Tpeak = 260 °C
< 2 °C/s
50 100 150 200 250 300
Time/s
Figure 5. Solder Profile, RTS Recommendation
A ramp-up rate less than 0.9 °C/s is not recom-
mended. Ramp-up rates faster than 1.3 °C/s damage
an optical part because the thermal conductivity is
less than compared to a standard IC.
Current Derating Diagram
Figure 6 shows the maximum operating temperature
when the device is operated without external current
limiting resistor. A power dissipating resistor of 2 Ω is
recommended from the cathode of the IRED to
Ground for supply voltages above 4 V. In that case
the device can be operated up to 85 °C, too.
90
85
80
75
70
65
60
55
50
2.0
18097
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Operating Voltage [V] at duty cycle 20 %
6.0
Figure 6. Temperature Derating Diagram
Document Number 82616
Rev. 1.5, 07-Apr-06
www.vishay.com
11
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| PDF Descargar | [ Datasheet TFDU5307.PDF ] | |
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