TFBS4711
www.vishay.com
Vishay Semiconductors
Serial Infrared Transceiver (SIR), 115.2 kbit/s,
2.4 V to 5.5 V Operation
DESCRIPTION
TFBS4711 is an infrared transceiver that supports data rates
up to 115 kbit/s per the IrDA standard. The link distance is
up to 1 meter. The transceiver includes a PIN photodiode,
an infrared emitter, and a low-power control IC. These
components have not been qualified according to
automotive specifications.
FEATURES
20208
• Compliant to the IrDA physical layer
specification
• Standard IrDA link distance of 1 m
• Low power consumption, typically less than
70 μA
• Less than 1 μA in shutdown mode
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
APPLICATIONS
• Short-distance wireless communication and data transfer
• Use in environments where RF is problematic
LINKS TO ADDITIONAL RESOURCES
Product Page
Related
Documents
DESIGN SUPPORT TOOLS
•
•
•
•
•
3D model
Window size calculator
Symbols and terminology
IRDC protocol
Reference layouts and circuit diagrams
FUNCTIONAL BLOCK DIAGRAM
VCC
Tri-state
driver
PD
Amplifier
RXD
Comparator
IREDA
SD
Mode
control
IRED driver
IRED
TXD
ASIC
19288-2
GND
Rev. 3.7, 21-Oct-2022
Document Number: 82633
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PARTS TABLE
PART NUMBER
DESCRIPTION
QTY/REEL
TFBS4711-TR1
Oriented in carrier tape for side view surface mounting
1000 pcs
TFBS4711-TR3
Oriented in carrier tape for side view surface mounting
2500 pcs
TFBS4711-TT1
Oriented in carrier tape for top view surface mounting
1000 pcs
PRODUCT SUMMARY
PART NUMBER
DATA RATE
(kbit/s)
DIMENSIONS
HxLxW
(mm)
LINK DISTANCE
(m)
OPERATING
VOLTAGE
(V)
IDLE SUPPLY
CURRENT
(mA)
115.2
1.9 x 6 x 3
0 to ≥ 0.7
2.4 to 5.5
0.07
TFBS4711
PINOUT
TFBS4711
weight 50 mg
Pin 1
19428
Definitions:
In the Vishay transceiver datasheets the following
nomenclature is used for defining the IrDA operating modes:
SIR: 2.4 kbit/s to 115.2 kbit/s, equivalent to the basic serial
infrared standard with the physical layer version IrPhy 1.0
MIR: 576 kbit/s to 1152 kbit/s
FIR: 4 Mbit/s
VFIR: 16 Mbit/s
MIR and FIR were implemented with IrPhy 1.1, followed by
IrPhy 1.2, adding the SIR low power standard.
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
DESCRIPTION
1
VCC2
IRED
anode
Connect IRED anode directly to the power supply (VCC2). IRED current can be decreased
by adding a resistor in series between the power supply and IRED anode. A separate
unregulated power supply can be used at this pin
2
TXD
3
4
I/O
ACTIVE
This Schmitt-Trigger input is used to transmit serial data when SD is low. An on-chip
protection circuit disables the LED driver if the TXD pin is asserted for longer than 100 μs.
The input threshold voltage adapts to and follows the logic voltage swing defined by the
applied supply voltage
I
High
RXD
Received data output, push-pull CMOS driver output capable of driving standard CMOS or
TTL loads. During transmission the RXD output is active and mirrors the transmit signal. No
external pull-up or pull-down resistor is required. Floating with a weak pull-up of
500 kΩ (typ.) in shutdown mode. The voltage swing is defined by the applied supply
voltage
O
Low
SD
Shutdown. The input threshold voltage adapts to and follows the logic voltage swing
defined by the applied supply voltage
I
High
5
VCC1
Supply voltage
6
GND
Ground
Rev. 3.7, 21-Oct-2022
Document Number: 82633
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Vishay Semiconductors
ABSOLUTE MAXIMUM RATINGS
PARAMETER
TEST CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
Supply voltage range, transceiver
-0.3 V < VCC2 < 6 V
VCC1
-0.5
-
+6
V
Supply voltage range, transmitter
-0.5 V < VCC1 < 6 V
VCC2
-0.5
-
+6
V
RXD output voltage
-0.5 V < VCC1 < 6 V
VRXD
-0.5
-
VCC1 + 0.5
V
Voltage at all inputs
Note: Vin ≥ VCC1 is allowed
Vin
-0.5
-
+6
V
For all pins except IRED anode pin
ICC
-
-
10
mA
-
-
25
mA
-
-
250
mW
°C
Input current
Output sink current
Power dissipation
PD
Junction temperature
Tj
-
-
125
Ambient temperature range (operating)
Tamb
-25
-
+85
°C
Storage temperature range
Tstg
-40
-
+100
°C
Soldering temperature
See recommended solder profile
Average output current, pin 1
Repetitive pulsed output current
pin 1 to pin 2
t < 90 μs, ton < 20 %
ESD protection
-
-
260
°C
IIRED (DC)
-
-
85
mA
IIRED (RP)
-
-
430
mA
VESD
Latchup
Thermal resistance junction-to-ambient
JESD51
RthJA
1
-
-
kV
|± 100|
-
-
mA
-
300
-
K/W
Note
• Reference point ground, pin 6 unless otherwise noted.
Typical values are for design aid only, not guaranteed nor subject to production testing.
We apologize to use sometimes in our documentation the abbreviation LED and the word light emitting diode instead of infrared emitting
diode (IRED) for IR-emitters. That is by definition wrong; we are here following just a bad trend
EYE SAFETY INFORMATION
STANDARD
CLASSIFICATION
IEC/EN 60825-1 (2007-03), DIN EN 60825-1 (2008-05) “SAFETY OF LASER PRODUCTS Part 1: equipment classification and requirements”, simplified method
Class 1
IEC 62471 (2006), CIE S009 (2002) “Photobiological Safety of Lamps and Lamp Systems”
Exempt
DIRECTIVE 2006/25/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 5th April 2006 on the
minimum health and safety requirements regarding the exposure of workers to risks arising from physical agents
(artificial optical radiation) (19th individual directive within the meaning of article 16(1) of directive 89/391/EEC)
Exempt
Note
• Vishay transceivers operating inside the absolute maximum ratings are classified as eye safe according the above table
Rev. 3.7, 21-Oct-2022
Document Number: 82633
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Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, VCC1 = VCC2 = 2.4 V to 5.5 V unless otherwise noted)
PARAMETER
TEST CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
TRANSCEIVER
Supply voltage
Operating temperature range
VCC1
2.4
-
5.5
V
TA
-25
-
+85
°C
9.6
-
115.2
kbit/s
Data rates
Idle supply current at VCC1
(receive mode, no signal)
Average dynamic supply
current, transmitting
Standby (SD) (1) supply current
RXD to VCC1 impedance
SD = low,
Tamb = -25 °C to +85 °C
independent of ambient light,
VCC1 = VCC2 = 2.4 V to 5.5 V
ICC1
40
70
150
μA
SD = low, Tamb = 25 °C,
VCC1 = VCC2 = 2.4 V to 5.5 V
ICC1
40
70
100
μA
IIRED = 300 mA, 20 % duty cycle
ICC1
-
0.6
2
mA
SD = high,
Tamb = -25 °C to +85 °C,
independent of ambient light
ISD
-
0.01
1
μA
SD = high
RRXD
400
500
600
kΩ
VILo
-0.3
-
0.4
V
VIHi
VCC1 - 0.3
-
6
V
VIHi
VCC1 - 0.5
-
6
V
IILo
-
0.01
10
μA
Input voltage low (TXD, SD)
Input voltage high (SD)
For compliance with ISD spec.
Input voltage high (TXD)
Input leakage current low
VILo ≤ 0.3 V
Input leakage current high
VIHi ≥ VCC1 - 0.3 V
Input capacitance (TXD, SD)
IIHi
-
0.01
10
μA
CIN
-
-
5
pF
Output voltage low, RXD
Cload = 8 pF, IOLo ≤ |+500 μA|
VOLo
-
-
0.4
V
Output voltage high, RXD
IOH = -200 μA
VOHi
0.8 x VCC1
-
VCC1
V
Notes
• Typical values are for design aid only, not guaranteed nor subject to production testing
(1) SD mode becomes active when SD is set high for more than 0.2 μs. In SD mode the detector is disabled and the output disconnected
Rev. 3.7, 21-Oct-2022
Document Number: 82633
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OPTOELECTRONIC CHARACTERISTICS (Tamb = 25 °C, VCC1 = VCC2 = 2.4 V to 5.5 V unless otherwise noted)
PARAMETER
TEST CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
Minimum irradiance Ee in
angular range (2)
9.6 kbit/s to 115.2 kbit/s
λ = 850 nm to 900 nm, α = 0°, 15°
Ee
-
35
(3.5)
80
(8)
mW/m2
(μW/cm2)
Maximum irradiance Ee in
angular range (3)
λ = 850 nm to 900 nm
Ee
-
5
(500)
-
kW/m2
(mW/cm2)
λ = 850 nm to 900 nm, tr, tf < 40 ns,
tpo = 1.6 μs at f = 115 kHz,
no output signal allowed
Ee
4
(0.4)
-
-
mW/m2
(μW/cm2)
Rise time of output signal
10 % to 90 %, CL = 8 pF
tr(RXD)
10
30
80
ns
Fall time of output signal
90 % to 10 %, CL = 8 pF
tf(RXD)
10
30
80
ns
Input pulse length > 1.2 μs
tPW
1.7
2.2
3
μs
-
-
350
ns
-
100
500
μs
tL
-
50
150
μs
ID
200
300
430
mA
RECEIVER
Maximum no detection
irradiance (1)
RXD pulse width of output
signal
Stochastic jitter, leading edge
Standby/shutdown delay,
receiver startup time
Input irradiance = 100
≤ 115.2 kbit/s
mW/m2,
After shutdown active
or power-on
Latency
TRANSMITTER (new surface emitter values introduced via PCN)
IRED operating current
limitation
Forward voltage of built-in IRED
No external resistor for current
limitation (5)
IF = 300 mA
Vf
1.4
1.8
1.9
V
TXD = 0 V, 0 < VCC1 < 5.5 V
IIRED
-1
0.01
1
μA
α = 0°, 15°
TXD = high, SD = low
Ie
40
140
300
mW/sr
VCC1 = 5 V, α = 0°, 15°,
TXD = low or SD = high (receiver is
inactive as long as SD = high)
Ie
-
-
0.04
mW/sr
α
-
± 24
-
deg
Peak-emission wavelength (5)
λp
870
-
910
nm
Spectral bandwidth
Δλ
-
45
-
nm
Optical rise time
tropt
10
50
300
ns
Optical fall time
tfopt
10
50
300
ns
Input pulse width 1.6 < tTXD < 23 μs
topt
tTXD - 0.15
-
tTXD + 0.15
μs
Input pulse width tTXD ≥ 23 μs
topt
23
50
100
μs
-
-
25
%
Output leakage IRED current
Output radiant intensity
Output radiant intensity, angle
of half intensity
Optical output pulse duration
Optical overshoot
Notes
• Typical values are for design aid only, not guaranteed nor subject to production testing
(2) Equivalent to IrDA background light and electromagnetic field test: fluorescent lighting immunity
(3) IrDA sensitivity definition: minimum irradiance E in angular range, power per unit area. The receiver must meet the BER specification while
e
the source is operating at the minimum intensity in angular range into the minimum half-angular range at the maximum link length
(4) Maximum irradiance E in angular range, power per unit area. The optical delivered to the detector by a source operating at the maximum
e
intensity in angular range at minimum link length must not cause receiver overdrive distortion and possible ralated link errors. If placed at
the active output interface reference plane of the transmitter, the receiver must meet its bit error ratio (BER). For more definitions see the
document “Symbols and Terminology” on the Vishay website
(5) Using an external current limiting resistor is allowed and recommended to reduce IRED intensity and operating current when current
reduction is intended to operate at the IrDA low power conditions. E.g. for VCC2 = 3.3 V a current limiting resistor of RS = 56 Ω will allow a
power minimized operation at IrDA low power conditions
(6) Due to this wavelength restriction compared to the IrDA spec of 850 nm to 900 nm the transmitter is able to operate as source for the
standard remote control applications with codes as e.g. Phillips RC5/RC6® or RECS 80
Rev. 3.7, 21-Oct-2022
Document Number: 82633
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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
TFBS4711
www.vishay.com
Vishay Semiconductors
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 ENDECS TIR1000 or MCP2122 is recommended.
Note
• TFBS4711 echoes the TXD signal at the RXD output during transmission. For communication this signal is to be correctly ignored by the
controller or the software. The echo signal is implemented for test purposes in mass production
TABLE 2 - TRUTH TABLE
INPUTS
OUTPUTS
REMARK
SD
TXD
OPTICAL INPUT IRRADIANCE
mW/m2
High
> 1 ms
x
x
Weakly pulled
(500 kΩ) to VCC1
0
Shutdown
Low
High
x
Low (active)
Ie
Transmitting
Low
High
> 100 μs
x
High inactive
0
Protection is active
Low
Low
min. detection threshold irradiance
< max. detection threshold irradiance
Low (active)
0
Response to an IrDA compliant
optical input signal
Low
Low
> min. detection threshold irradiance
Undefined
0
Overload conditions can cause
unexpected outputs
RXD
TRANSMITTER
OPERATION
Rev. 3.7, 21-Oct-2022
Document Number: 82633
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PACKAGE DIMENSIONS in millimeters
19612
Fig. 1 - Package Drawing of TFBS4711, Tolerance of Height is +0.1 mm, -0.2 mm, other Tolerances ± 0.2 mm
Recommended Footprint
Side View Application
Recommended Footprint
Top View Application
5 x 0.95 = 4.75
0.95
0.64
Emitter
4
5
Detector
6
1.27
1.27
3
0.6
2
0.4
1
1
2
3
4
0.95
19728
Emitter
5
6
0.64
5 x 0.95 = 4.75
Detector
19301
Fig. 2 - Soldering Footprints
Rev. 3.7, 21-Oct-2022
Document Number: 82633
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TAPE DIMENSIONS FOR TR1 AND TR3 in millimeters
19613
Rev. 3.7, 21-Oct-2022
Document Number: 82633
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TAPE DIMENSIONS FOR TT1 in millimeters
20416
Rev. 3.7, 21-Oct-2022
Document Number: 82633
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REEL DIMENSIONS in millimeters
Drawing-No.: 9.800-5090.01-4
Issue: 1; 29.11.05
14017
TAPING
VARIANT
TAPE WIDTH
(mm)
A MAX.
(mm)
N
(mm)
W1 MIN.
(mm)
W2 MAX.
(mm)
W3 MIN.
(mm)
W3 MAX.
(mm)
TT1 / TR1
TT3 / TR3
16
180
60
16.4
22.4
15.9
19.4
16
330
50
16.4
22.4
15.9
19.4
LEADER AND TRAILER DIMENSIONS in millimeters
Trailer
no devices
Leader
devices
no devices
End
Start
min. 200
min. 400
96 11818
COVER TAPE PEEL STRENGTH
LABEL
According to DIN EN 60286-3
0.1 N to 1.3 N
300 ± 10 mm/min.
165° to 180° peel angle
Standard bar code labels for finished goods
The standard bar code labels are product labels and used
for identification of goods. The finished goods are packed in
final packing area. The standard packing units are labeled
with standard bar code labels before transported as finished
goods to warehouses. The labels are on each packing unit
and contain Vishay Semiconductor GmbH specific data.
Rev. 3.7, 21-Oct-2022
Document Number: 82633
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DRY PACKING
The reel is packed in an anti-humidity bag to protect the
devices from absorbing moisture during transportation and
storage.
Aluminum bag
Label
After more than 72 h under these conditions moisture
content will be too high for reflow soldering.
In case of moisture absorption, the devices will recover to
the former condition by drying under the following condition:
192 h at 40 °C + 5 °C / - 0 °C and < 5 % RH (dry air /
nitrogen) or
96 h at 60 °C + 5 °C and < 5 % RH for all device containers
or
24 h at 125 °C + 5 °C not suitable for reel or tubes.
An EIA JEDEC® standard J-STD-020 level 4 label is included
on all dry bags.
Reel
CAUTION
15973
This bag contains
MOISTURE-SENSITIVE DEVICES
FINAL PACKING
LEVEL
4
1. Shelf life in sealed bag: 12 months at < 40 °C and < 90 % relative
humidity (RH)
The sealed reel is packed into a cardboard box.
2. After this bag is opened, devices that will be subjected to soldering
reflow or equivalent processing (peak package body temp. 260 °C)
must be
2a. Mounted within 72 hours at factory condition of < 30 °C/60 % RH or
2b. Stored at < 5 % RH
RECOMMENDED METHOD OF STORAGE
3. Devices require baking befor mounting if:
Humidity Indicator Card is > 10 % when read at 23 °C ± 5 °C or
2a. or 2b. are not met.
Dry box storage is recommended as soon as the aluminum
bag has been opened to prevent moisture absorption. The
following conditions should be observed, if dry boxes are
not available:
• Storage temperature 10 °C to 30 °C
• Storage humidity ≤ 60 % RH max.
4. If baking is required, devices may be baked for:
192 hours at 40 °C + 5 °C/- 0 °C and < 5 % RH (dry air/nitrogen) or
96 hours at 60 °C ± 5 °C and < 5 % RH for all device containers or
24 hours at 125 °C ± 5 °C not suitable for reels or tubes
Bag Seal Date:
(If blank, see barcode label)
Note: Level and body temperature defined by EIA JEDEC Standard J-STD-020
22522
EIA JEDEC standard J-STD-020 level 4 label is included
on all dry bags
OUTER PACKAGING
The sealed reel is packed into a pizza box.
CARTON BOX DIMENSIONS in millimeters
Length
Thickness
22127
ORDER CODE
Width
BOXING
THICKNESS
WIDTH
LENGTH
TT3 / TR3
Pizza box (taping in reels)
50
340
340
TT1 / TR1
Pizza box (taping in reels)
32
190
190
Rev. 3.7, 21-Oct-2022
Document Number: 82633
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VISHAY SEMICONDUCTOR GmbH STANDARD BAR CODE PRODUCT LABEL (finished goods)
PLAIN WRITING
ABBREVIATION
LENGTH
Item-description
-
18
Item-number
INO
8
Selection-code
SEL
3
BATCH
10
Data-code
COD
3 (YWW)
Plant-code
PTC
2
Quantity
QTY
8
Accepted by
ACC
-
Packed by
PCK
-
LOT-/serial-number
Mixed code indicator
Origin
Long bar code top
MIXED CODE
-
xxxxxxx+
Company logo
Type
Length
Item-number
N
8
Plant-code
N
2
Sequence-number
X
3
Quantity
N
8
Total length
-
21
Short bar code bottom
Type
Length
Selection-code
X
3
Data-code
N
3
Batch-number
X
10
Filter
-
1
Total length
-
17
ESD PRECAUTION
Proper storage and handling procedures should be followed
to prevent ESD damage to the devices especially when they
are removed from the antistatic shielding bag. Electrostatic
sensitive devices warning labels are on the packaging.
VISHAY SEMICONDUCTORS STANDARD
BAR CODE LABELS
The Vishay Semiconductors standard bar code labels are
printed at final packing areas. The labels are on each
packing unit and contain Vishay Semiconductors specific
data.
23199
Rev. 3.7, 21-Oct-2022
Document Number: 82633
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Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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Statements regarding the suitability of products for certain types of applications are based on Vishay's knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product
with the properties described in the product specification is suitable for use in a particular application. Parameters provided in
datasheets and / or specifications may vary in different applications and performance may vary over time. All operating
parameters, including typical parameters, must be validated for each customer application by the customer's technical experts.
Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited
to the warranty expressed therein.
Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and
for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of
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or for that of subsequent links.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
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Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please
contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
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© 2022 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 01-Jan-2022
1
Document Number: 91000
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