TFDU4300-TT3 Vishay, TFDU4300-TT3 Datasheet - Page 7

• Manufacturer Part Number: TFDU4300-TT3
• Description: Infrared Transceivers SIR 115.2 kbits/s 2.4-5.5V Op Voltage
• Manufacturer: Vishay
• Type: TX/RXr
• Series: -r

Specifications of TFDU4300-TT3

• Wavelength: 900 nm
• Continual Data Transmission: 115.2 Kbit/s
• Transmission Distance: 0.7 m
• Radiant Intensity: 65 mW/sr
• Half Intensity Angle Degrees: 48 deg
• Pulse Width: 2 us
• Maximum Rise Time: 100 ns
• Maximum Fall Time: 100 ns
• Operating Voltage: 2.4 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 30 C
• Dimensions: 8.5 mm x 2.9 mm x 2.5 mm
• Data Rate: 115.2Kbps
• Peak Wavelength: 900nm
• Angle Of Half Sensitivity: 48°
• Package Type: SMD
• Fall Time: 100ns
• Rise Time: 100ns
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Operating Supply Voltage (min): 2.4V
• Operating Supply Voltage (max): 5.5V
• Mounting: Surface Mount
• Pin Count: 8
• Operating Temp Range: -30C to 85C
• Operating Temperature Classification: Commercial
• Idle Current, Typ @ 25° C: 75µA
• Link Range, Low Power: 70cm
• Operating Temperature: -30°C ~ 85°C
• Orientation: Top View
• Shutdown: Yes
• Size: 8.5mm x 2.9mm x 2.5mm
• Standards: IrPHY 1.0
• Supply Voltage: 2.4 V ~ 5.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TFDU4300
Vishay Semiconductors
Figure 2 shows an example of a typical application for
to work with low voltage logic (connected to V
seperate supply voltage V
with the IRED Anode connected to the unregulated
battery V
the regulated power supply and saves therefore
costs. Alternatively all supplies can also be tied to
only one voltage source. R1 and C1 are not used in
this case and are depending on the circuit design in
most cases not necessary.
I/O and Software
In the description, already different I/Os are
mentioned. Different combinations are tested and the
function verified with the special drivers available
from the I/O suppliers. In special cases refer to the
I/O manual, the Vishay application notes, or contact
directly Vishay Sales, Marketing or Application.
For operating at RS232 ports the ENDEC TOIM4232
is recommended.
Table 2. Truth table
www.vishay.com
210
> 1 ms
High
Low
Low
Low
Low
Low
SD
batt
> 50 µs
TXD
High
High
Low
Low
Low
. This method reduces the peak load of
x
[e-mail], [e-mail], [e-mail]
Optical input irradiance mW/m
For technical questions within your region, please contact one of the following:
Inputs
V
V
V
batt
DD
S
= 2.8 V
< max. irradiance E
> max. Irradiance E
= 1.8 V
19296
> min. irradiance E
~ 3 V
S
and using the transceiver
< 4
x
x
x
IR MODE
V
dd
IRTX
IRRX
e
e
e
Figure 2. Typical application circuit
2
DD
(500 kΩ) to V
Weakly pulled
High inactive
High inactive
High inactive
), a
Low (active)
Undefined
RXD
Current Derating Diagram
Figure 3 shows the maximum operating temperature
when the device is operated without external current
limiting resisor.
R2
C2
CC1
18097
Outputs
90
85
80
75
70
65
60
55
50
2.0
Figure 3. Current Derating Diagram
Transmitter
2.5
IRED Anode (1)
IRED Cathode (2)
TXD (3)
RXD (4)
SD (5)
V
V
GND (8)
CC1
logic
Operating Voltage (V) at duty cycle 20 %
I
0
0
0
0
0
e
(6)
(7)
3.0
3.5
IrDA defined threshold for noise
4.0
Response to an IrDA compliant
Overload conditions can cause
Ignoring low signals below the
unexpected outputs
4.5
Protection is active
optical input signal
Document Number 82614
Transmitting
Operation
Shutdown
immunity
Remark
5.0
Rev. 1.8, 19-Feb-09
5.5
6.0