TFBS4652_09 [VISHAY]
Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR); 红外收发器， 9.6 kbit / s到115.2 kbit / s的（ SIR ）
| 型号： | TFBS4652_09 |
| 厂家： | 
VISHAY |
| 描述： | Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR) |
| 文件： | 总11页 (文件大小：226K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TFBS4652
Vishay Semiconductors
Infrared Transceiver, 9.6 kbit/s to 115.2 kbit/s (SIR)
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 with
standard or low power IrDA, respectively.
Emission intensity can be set by an external
resistor to increase the range to > 50 cm
20206
• Typical transmission distance to standard device: 50 cm
• Small package (L x W x H in mm): 6.8 x 2.8 x 1.6
• Low current consumption 75 µA idle at 3.6 V
DESCRIPTION
The TFBS4652 is one of the smallest IrDA® compliant
transceivers available. It supports data rates up to 115 kbit/s.
The transceiver consists of a PIN photodiode, infrared
emitter, and control IC in a single package.
• 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 separate
power
supply
not
loading
the
regulated.
U.S. pat. no. 6,157,476
• Adjustable to logic I/O voltage swing from 1.5 V to 5.5 V
• Qualified for lead (Pb)-free and Sn/Pb processing (MSL4)
• Compliant to RoHS directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
APPLICATIONS
• Mobile phone
• PDAs
PRODUCT SUMMARY
DIMENSIONS
H x L x W
(mm x mm x mm)
OPERATING
VOLTAGE
(V)
IDLE SUPPLY
CURRENT
(mA)
DATA RATE
(kbit/s)
LINK DISTANCE
(m)
PART NUMBER
TFBS4652
115.2
1.6 x 6.8 x 2.8
0 to ≥ 0.3
2.4 to 3.6
0.075
PARTS TABLE
PART
DESCRIPTION
QTY/REEL
TFBS4652-TR1
TFBS4652-TR3
Oriented in carrier tape for side view surface mounting
Oriented in carrier tape for side view surface mounting
1000 pcs
2500 pcs
Document Number: 84671
Rev. 1.3, 17-Sep-09
For technical questions within your region, please contact one of the following:
irdasupportAM@vishay.com, irdasupportAP@vishay.com, irdasupportEU@vishay.com
www.vishay.com
1
TFBS4652
Infrared Transceiver, 9.6 kbit/s to
115.2 kbit/s (SIR)
Vishay Semiconductors
FUNCTIONAL BLOCK DIAGRAM
V
CC
Vlog
Tri-State
Driver
PD
RXD
Amplifier
Comparator
IREDA
IRED
SD
IRED Driver
Mode
Control
TXD
ASIC
GND
19288
PIN DESCRIPTION
PIN NUMBER SYMBOL
DESCRIPTION
I/O
ACTIVE
IRED anode, connected via a current limiting resistor to VCC2. A separate unregulated
power supply can be used.
1
2
3
4
IREDA
RXD
TXD
SD
Receiver output. Normally high, goes low for a defined pulse duration with the rising
edge of the optical input signal. Output is a CMOS tri-state driver, which swings
between ground and Vlogic. Receiver echoes transmitter output.
O
I
Low
High
High
Transmitter data input. Setting this input above the threshold turns on the transmitter.
This input switches the IRED with the maximum transmit pulse width of about 100 µs.
Shutdown. Logic low at this input enables the receiver, enables the transmitter, and
un-tri-states the receiver output. It must be driven high for shutting down the
transceiver.
I
I
5
6
7
Vlogic
VCC
Reference for the logic swing of the output and the input logic levels.
Power supply, 2.4 V to 3.6 V. This pin provides power for the receiver and transmitter
drive section. Connect VCC1 via an optional filter.
GND
Ground
Definitions:
PINOUT
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
TFBS4652, bottom view
weight 0.05 g
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. IrPhy 1.3
extended the low power option to MIR and FIR and VFIR was
added with IrPhy 1.4. A new version of the standard in any
case obsoletes the former version.
19284
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For technical questions within your region, please contact one of the following:
irdasupportAM@vishay.com, irdasupportAP@vishay.com, irdasupportEU@vishay.com
Document Number: 84671
Rev. 1.3, 17-Sep-09
TFBS4652
Infrared Transceiver, 9.6 kbit/s to
115.2 kbit/s (SIR)
Vishay Semiconductors
ABSOLUTE MAXIMUM RATINGS
PARAMETER
TEST CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
Supply voltage range,
transceiver
0 V < VCC2 < 6 V
VCC1
- 0.5
6
V
Supply voltage range,
transmitter
0 V < VCC1 < 3.6 V
VCC2
- 0.5
6
V
Supply voltage range,
digital supply
0 V < VCC1 < 3.6 V
All states
Vlogic
VIN
- 0.5
- 0.5
- 0.5
6
Vlogic + 0.5
6
V
V
V
Voltage at RXD
Input voltage range,
transmitter TXD
Independent of Vdd or Vlogic
VIN
For all pins, except IRED anode
pin
Input currents
- 40
40
mA
Output sinking current
Power dissipation
20
mA
mW
°C
PD
TJ
250
125
Junction temperature
Ambient temperature range
(operating)
Tamb
Tstg
- 25
- 40
+ 85
+ 100
260
°C
°C
Storage temperature
See section
“Recommended Solder Profile”
Soldering temperature (1)
°C
Repetitive pulse output current
< 90 µs, ton < 20 %
IIRED (RP)
500
mA
mA
Average output current
(transmitter)
I
IRED (DC)
100
Note
Reference point pin, GND unless otherwise noted.
Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
(1) Sn/lead (Pb)-free soldering. The product passed Vishay’s standard convection reflow profile soldering test.
EYE SAFETY INFORMATION
STANDARD
CLASSIFICATION
Class 1
IEC/EN 60825-1 (2007-03), DIN EN 60825-1 (2008-05) “SAFETY OF LASER PRODUCTS -
Part 1: equipment classification and requirements”, simplified method
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.
Document Number: 84671
Rev. 1.3, 17-Sep-09
For technical questions within your region, please contact one of the following:
irdasupportAM@vishay.com, irdasupportAP@vishay.com, irdasupportEU@vishay.com
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3
TFBS4652
Infrared Transceiver, 9.6 kbit/s to
115.2 kbit/s (SIR)
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS
PARAMETER
TEST CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
TRANSCEIVER
Supply voltage range
Dynamic supply current
VCC
2.4
3.6
V
SD = low (< 0.8 V),
Eeamb = 0 klx,
Idle, dark ambient
Idle, dark ambient
ICC
90
130
µA
µA
Ee < 4 mW/m2
- 25 °C ≤ T ≤ + 85 °C
SD = low (< 0.8 V),
Eeamb = 0 klx,
Ee < 4 mW/m2
T = + 25 °C
ICC
75
2
Peak supply current during
transmission
SD = low, TXD = high
Iccpk
3
1
mA
µA
SD = low (< 0.8 V),
Eeamb = 0 klx,
Idle, dark ambient at Vlogic - pin
Ilogic
Ee < 4 mW/m2
SD = high
(> Vlogic - 0.5 V),
T = 25 °C, Ee = 0 klx
ISD
0.1
2
µA
µA
SD = high
(> Vlogic - 0.5 V),
T = 70 °C, Ee = 0 klx
Shutdown supply current,
dark ambient
ISD
SD = high
(> Vlogic - 0.5 V),
T = 85 °C, Ee = 0 klx
ISD
TA
3
µA
°C
V
Operating temperature range
Output voltage low
- 25
+ 85
I
OL = 0.2 mA,
V
CC = 2.4 V
VOL
0.3
Cload = 15 pF
IOL = 0.2 mA,
CC = 2.4 V
load = 15 pF
Output voltage high
V
C
VOH
Vlogic - 0.5
Vlogic
V
SD = VCC
CC = 2.4 V to 5 V
,
RXD to VCC pull-up impedance
RRXD
500
kΩ
V
Input voltage low (TXD, SD)
Input voltage high (TXD, SD)
Input voltage threshold SD
Input capacitance (TXD, SD)
VIL
VIH
- 0.5
Vlogic - 0.5
0.9
0.5
V
V
V
CC = 2.4 V to 3.6 V
Vlogic + 0.5
VCC = 2.4 V to 3.6 V
0.5 x Vlogic 0.66 x Vlogic
6
V
CI
pF
Notes
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.
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irdasupportAM@vishay.com, irdasupportAP@vishay.com, irdasupportEU@vishay.com
Document Number: 84671
Rev. 1.3, 17-Sep-09
TFBS4652
Infrared Transceiver, 9.6 kbit/s to
115.2 kbit/s (SIR)
Vishay Semiconductors
OPTOELECTRONIC CHARACTERISTICS (1)
PARAMETER
TEST CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
RECEIVER
Sensitivity:
9.6 kbit/s to 115.2 kbit/s
λ = 850 nm to 900 nm
40
(4)
81
(8.1)
mW/m2
minimum irradiance Ee in
Ee
Ee
Ee
(µW/cm2)
angular range (2)(3)
Maximum irradiance Ee in
angular range (4)
5
kW/m2
λ = 850 nm to 900 nm
(500)
(mW/cm2)
According to IrDA IrPHY 1.4,
appendix A1, fluorescent light
specification
No output receiver input
irradiance
4
(0.4)
mW/m2
(µW/cm2)
Rise time of output signal
Fall time of output signal
10 % to 90 %, CL = 15 pF
90 % to 10 %, CL = 15 pF
tr (RXD)
tf (RXD)
tPW
20
20
100
100
ns
ns
RXD pulse width of output
signal, 50 % (5)
Input pulse width
1.63 µs
1.7
2.9
µs
Receiver start up time
Latency
Power on delay
100
50
150
100
µs
µs
tL
30
TRANSMITTER
The IRED current is internally
controlled but also can be reduced
by an external resistor R1
IRED operating current, current
controlled
ID
200
4
400
1
mA
µA
Output leakage IRED current
Output radiant intensity (6)
T
amb = 85°C
IIRED
α = 0°, 15°, TXD = high, SD = low,
V
CC1 = 3 V, VCC2 = 3 V, R1 = 30 Ω
(resulting in about 50 mA drive
current)
Ie
Ie
Ie
150
mW/sr
mW/sr
mW/sr
α = 0°, 15°, TXD = high, SD = low,
Output radiant intensity (6)
Output radiant intensity (6)
V
CC1 = 3 V, VCC2 = 3 V, R1 = 0 Ω,
25
IF = 300 mA
VCC1 = 5 V, α = 0°, 15°
TXD = low or SD = high
(receiver is inactive as long as
SD = high)
0.04
Saturation voltage of IRED
driver
VCC = 3 V, IF = 50 mA
VCEsat
0.4
V
Peak - emission wavelength
λp
880
20
886
900
100
nm
ns
Optical rise time,
optical fall time
tropt,
tfopt
Input pulse width t < 30 µs
Input pulse width t ≥ 30 µs
topt
topt
t
µs
µs
Optical output pulse duration
30
50
300
2.2
20
Optical output pulse duration
Optical overshoot
Input pulse width t = 1.63 µs
topt
1.45
1.61
µs
%
Notes
(1)
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.
(2)
(3)
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-angular 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 maximum
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. For more definitions
see the document “Symbols and Terminology” on the Vishay website
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.
The radiant intensity can be adjusted by the external current limiting resistor to adapt the intensity to the desired value. The given value is for
minimum current consumption. This transceiver can be adapted to > 50 cm operation by increasing the current to > 200 mA, e.g. operating
the transceiver without current control resistor (i.e. R1 = 0 Ω) and using the internal current control.
(4)
(5)
(6)
Document Number: 84671
Rev. 1.3, 17-Sep-09
For technical questions within your region, please contact one of the following:
irdasupportAM@vishay.com, irdasupportAP@vishay.com, irdasupportEU@vishay.com
www.vishay.com
5
TFBS4652
Infrared Transceiver, 9.6 kbit/s to
115.2 kbit/s (SIR)
Vishay Semiconductors
TABLE 1 - TRUTH TABLE
INPUTS
OUTPUTS
SD
TXD
OPTICAL INPUT IRRADIANCE mW/m2
RXD
TRANSMITTER
Tri-state floating with a weak
pull-up to the supply voltage
High
x
x
0
Low
Low
Low
High
High > 100 µs
Low
x
x
Low (echo on)
High
Ie
0
0
< 2
High
> min. irradiance Ee
< max. irradiance Ee
Low
Low
Low
Low
Low (active)
x
0
0
> max. irradiance Ee
voltage during transmission may reduce the sensitivity (and
transmission range) of the transceiver.
The placement of these parts is critical. It is strongly
recommended to position C2 as close as possible to the
transceiver power supply pins.
RECOMMENDED CIRCUIT DIAGRAM
Operated at a clean low impedance power supply the
TFBS4652 needs only one additional external component
when the IRED drive current should be minimized for
minimum current consumption according the low power IrDA
standard. When combined operation in IrDA and remote
control is intended no current limiting resistor is
recommended. When long wires are used for bench tests,
the capacitors are mandatory for testing rise/fall time
correctly.
When connecting the described circuit to the power supply,
low impedance wiring should be used.
In case of extended wiring the inductance of the power
supply can cause dynamically a voltage drop at VCC2. Often
some power supplies are not apply to follow the fast current
is rise time. In that case another 10 µF cap at VCC2 will be
helpful.
VCC2
Vlogic
VCC1
IRED Anode
R1
R2
Keep in mind that basic RF-design rules for circuit design
should be taken into account. Especially longer signal lines
should not be used without termination. See e.g. “The Art of
Electronics” Paul Horowitz, Wienfield Hill, 1989, Cambridge
University Press, ISBN: 0521370957.
Vlogic
VCC
C1
C2
Ground
GND
SD
SD
TXD
RXD
TXD
RXD
TABLE 2 - RECOMMENDED APPLICATION
CIRCUIT COMPONENTS
COMPONENT
RECOMMENDED VALUE
19289
0.1 µF, ceramic Vishay part#
VJ 1206 Y 104 J XXMT
C1, C2
Fig. 1 - Recommended Application Circuit
R1
R2
See table 3
The capacitor C1 is buffering the supply voltage VCC2 and
eliminates the inductance of the power supply line. This one
should be a small ceramic version or other fast capacitor to
guarantee the fast rise time of the IRED current. The resistor
R1 is necessary for controlling the IRED drive current when
the internally controlled current is too high for the application.
Vishay transceivers integrate a sensitive receiver and a
built-in power driver. The combination of both needs a
careful circuit board layout. The use of thin, long, resistive
and inductive wiring should be avoided. The inputs (TXD,
SD) and the output RXD should be directly (DC) coupled to
the I/O circuit.
47 Ω, 0.125 W (VCC1 = 3 V)
TABLE 3 - RECOMMENDED RESISTOR R1 (Ω)
MINIMIZED CURRENT
CONSUMPTION,
IrDA LOW POWER COMPLIANT
VCC2
(V)
2.7
3
24
30
36
3.3
The capacitor C2 combined with the resistor R2 is the low
pass filter for smoothing the supply voltage.
As already stated above R2, C1 and C2 are optional and
depend on the quality of the supply voltages VCCx and
injected noise. An unstable power supply with dropping
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Document Number: 84671
Rev. 1.3, 17-Sep-09
TFBS4652
Infrared Transceiver, 9.6 kbit/s to
115.2 kbit/s (SIR)
Vishay Semiconductors
RECOMMENDED SOLDER PROFILES
Solder Profile for Sn/Pb Soldering
280
260
240
220
200
180
160
140
120
100
80
260
10 s max. at 230 °C
T
= 260 °C max.
peak
≥
≥
T
T
255 °C for 20 s max
217 °C for 50 s max
240 °C max.
240
220
200
180
160
140
120
100
80
2 °C/s to 4 °C/s
160 °C max.
20 s
120 s to 180 s
90 s max.
90 s...120 s
50 s max.
2 °C...4 °C/s
2 °C/s to 4 °C/s
60
60
2 °C...4 °C/s
40
40
20
20
0
0
0
50
100
150
200
250
300
350
19431
0
50
100
150
200
250
300
350
Time (s)
19261
Time/s
Fig. 2 - Recommended Solder Profile for Sn/Pb Soldering
Fig. 3 - Solder Profile, RSS Recommendation
Lead (Pb)-free, Recommended Solder Profile
The TFBS4652 is a lead (Pb)-free transceiver and qualified
for lead (Pb)-free processing. For lead (Pb)-free solder paste
like Sn(3.0 - 4.0)Ag(0.5 - 0.9)Cu, there are two standard reflow
profiles: Ramp-Soak-Spike (RSS) and Ramp-To-Spike
(RTS). The Ramp-Soak-Spike profile was developed
primarily for reflow ovens heated by infrared radiation. With
widespread use of forced convection reflow ovens the
Ramp-To-Spike profile is used increasingly. Shown in
figure 2 is Vishay’s recommended profiles for use with the
TFBS4652 transceivers. For more details please refer to the
application note “SMD Assembly Instructions”.
Wave Soldering
For TFDUxxxx and TFBSxxxx transceiver devices wave
soldering is not recommended.
Manual Soldering
Manual soldering is the standard method for lab use.
However, for
a
production process it cannot be
recommended because the risk of damage is highly
dependent on the experience of the operator. Nevertheless,
we added a chapter to the above mentioned application note,
describing manual soldering and desoldering.
Storage
The storage and drying processes for all Vishay transceivers
(TFDUxxxx and TFBSxxx) are equivalent to MSL4.
The data for the drying procedure is given on labels on the
packing and also in the application note "Taping, Labeling,
Storage and Packing".
Document Number: 84671
Rev. 1.3, 17-Sep-09
For technical questions within your region, please contact one of the following:
irdasupportAM@vishay.com, irdasupportAP@vishay.com, irdasupportEU@vishay.com
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7
TFBS4652
Infrared Transceiver, 9.6 kbit/s to
115.2 kbit/s (SIR)
Vishay Semiconductors
PACKAGE DIMENSIONS in millimeters
19322
Fig. 4 - TFBS4650 Mechanical Dimensions, Tolerance 0.2 mm, if not otherwise mentioned
19729
Fig. 5 - TFBS4650 Soldering Footprint, Tolerance 0.2 mm, if not otherwise mentioned
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irdasupportAM@vishay.com, irdasupportAP@vishay.com, irdasupportEU@vishay.com
Document Number: 84671
Rev. 1.3, 17-Sep-09
TFBS4652
Infrared Transceiver, 9.6 kbit/s to
115.2 kbit/s (SIR)
Vishay Semiconductors
REEL DIMENSIONS in millimeters
Drawing-No.: 9.800-5090.01-4
Issue: 1; 29.11.05
14017
TAPE WIDTH
(mm)
A MAX.
(mm)
N
(mm)
W1 MIN.
(mm)
W2 MAX.
(mm)
W3 MIN.
(mm)
W3 MAX.
(mm)
16
16
180
330
60
50
16.4
16.4
22.4
22.4
15.9
15.9
19.4
19.4
Document Number: 84671
Rev. 1.3, 17-Sep-09
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TFBS4652
Infrared Transceiver, 9.6 kbit/s to
115.2 kbit/s (SIR)
Vishay Semiconductors
TAPE DIMENSIONS in millimeters
19285
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Document Number: 84671
Rev. 1.3, 17-Sep-09
Legal Disclaimer Notice
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
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
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.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
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Document Number: 91000
Revision: 11-Mar-11
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