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PDF TFBS4650 Data sheet ( Hoja de datos )
| Número de pieza | TFBS4650 | |
| Descripción | Infrared Transceiver | |
| Fabricantes | Vishay Siliconix | |
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TFBS4650
Vishay Semiconductors
Infrared Transceiver
9.6 kbit/s to 115.2 kbit/s (SIR)
Description
The TFBS4650 is one of the smallest IrDA® compliant
transceivers available. It supports data rates up to
115 kbit/s. The transceiver consists of a PIN photo-
diode, infrared emitter, and control IC in a single pack-
age.
Features
• Compliant with the IrDA physical layer
IrPHY 1.4 (low power specification,
9.6 kbit/s to 115.2 kbit/s)
• Link distance: 30 cm/20 cm full 15° cone
e4
with standard or low power IrDA, respec-
tively. Emission intensity can be set by an external
resistor to increase the range for extended low
power spec to > 50 cm
• Typical transmission distance to standard device:
50 cm
• Small package -
L 6.8 mm x W 2.8 mm x H 1.6 mm
• Low current consumption
75 µA idle at 3.6 V
20206
• Shutdown current 10 nA typical at 25 °C
• Operates from 2.4 V to 3.6 V within specification
over full temperature range from - 25 °C to + 85 °C
• Split power supply, emitter can be driven by a sep-
arate power supply not loading the regulated. U.S.
Pat. No. 6,157,476
• Lead (Pb)-free device
• Qualified for lead (Pb)-free and Sn/Pb processing
(MSL4)
• Device in accordance with RoHS 2002/95/EC and
WEEE 2002/96/EC
Applications
• Mobile phone
• PDAs
Parts Table
Part
TFBS4650-TR1
TFBS4650-TR3
Description
Oriented in carrier tape for side view surface mounting
Oriented in carrier tape for side view surface mounting
1000 pcs
2500 pcs
Qty / Reel
www.vishay.com
120
Document Number 84672
Rev. 1.1, 03-Jul-06
1 page  
TFBS4650
Vishay Semiconductors
Optoelectronic Characteristics
Receiver
Tamb = 25 °C, VCC = 2.4 V to 3.6 V unless otherwise noted.
Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
Parameter
Sensitivity:
Minimum irradiance Ee in
angular range *)**)
Maximum irradiance Ee in
angular range ***)
Test Conditions
9.6 kbit/s to 115.2 kbit/s
λ = 850 nm to 900 nm
λ = 850 nm to 900 nm
Symbol
Ee
Ee
Min
5
(500)
Typ.
40
(4.0)
Max
81
(8.1)
Unit
mW/m2
(µW/cm2)
kW/m2
(mW/cm2)
No receiver output input
irradiance
Rise time of output signal
Fall time of output signal
RXD pulse width of output
signal, 50%****)
According to IrDA IrPHY 1.4,
Appendix A1, fluorescent light
specification
10 % to 90 %, CL = 15 pF
90 % to 10 %, CL = 15 pF
Input pulse width
1.63 µs
Ee
tr (RXD)
tf (RXD)
tPW
4
(0.4)
20
20
1.7
2.0
mW/m2
(µW/cm2)
100 ns
100 ns
2.9 µs
Receiver start up time
Power on delay
100 150
µs
Latency
tL 50 200 µs
*) This parameter reflects the backlight test of the IrDA physical layer specification to guarantee immunity against light from fluorescent
lamps
**) 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-angle range at the maximum Link Length
***) Maximum Irradiance Ee In Angular Range, power per unit area. The optical delivered to the detector by a source operating at the max-
imum 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.
****) RXD output is edge triggered by the rising edge of the optical input signal. The output pulse duration is independent of the input pulse
duration.
For more definitions see the document “Symbols and Terminology” on the Vishay Website (http://www.vishay.com/docs/82512/82512.pdf).
www.vishay.com
124
Document Number 84672
Rev. 1.1, 03-Jul-06
5 Page 
TFBS4650
Vishay Semiconductors
Tape Dimensions in mm
www.vishay.com
130
19783
Document Number 84672
Rev. 1.1, 03-Jul-06
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet TFBS4650.PDF ] | |
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