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TSOP48..XG1
Vishay Telefunken
Photo Modules for PCM Remote Control Systems
Available types for different carrier frequencies
Type fo Type fo
TSOP4830XG1 30 kHz TSOP4833XG1 33 kHz
TSOP4836XG1 36 kHz TSOP4837XG1 36.7 kHz
TSOP4838XG1 38 kHz TSOP4840XG1 40 kHz
TSOP4856XG1 56 kHz
Description
The TSOP48..XG1 – series are miniaturized receivers
for infrared remote control systems. PIN diode and
preamplifier are assembled on lead frame, the epoxy
package is designed as IR filter.
The demodulated output signal can directly be decoded by a microprocessor. TSOP48..XG1 is the
standard IR remote control receiver series, supporting
all major transmission codes.
16 082
Features
D
Photo detector and preamplifier in one package
D
Internal filter for PCM frequency
D
Improved shielding against electrical field
disturbance
D
TTL and CMOS compatibility
D
Output active low
Block Diagram
Input
PIN
AGC
9612226
Control
Circuit
Band
Pass
D
Low power consumption
D
High immunity against ambient light
D
Continuous data transmission possible
(800 bit/s)
D
Suitable burst length ≥10 cycles/burst
3
30 k
W
1
Demodu-
lator
2
V
S
OUT
GND
Document Number 82130
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1 (7)Rev. 3, 29-Mar-01
TSOP48..XG1
y()
i o
Vishay Telefunken
Absolute Maximum Ratings
T
= 25_C
amb
Parameter Test Conditions Symbol Value Unit
Supply Voltage (Pin 2) V
Supply Current (Pin 2) I
Output Voltage (Pin 1) V
Output Current (Pin 1) I
Junction Temperature T
Storage Temperature Range T
Operating Temperature Range T
Power Consumption (T
x 85 °C) P
amb
Soldering Temperature t x 10 s, 1 mm from case T
S
S
O
O
j
stg
amb
tot
sd
Basic Characteristics
T
= 25_C
amb
Parameter Test Conditions Symbol Min Typ Max Unit
Supply Current (Pin 3) VS = 5 V, Ev = 0 I
VS = 5 V, Ev = 40 klx, sunlight I
Transmission Distance Ev = 0, test signal see fig.7,
IR diode TSAL6200, I
= 250 mA
F
Supply Voltage VS 4.5 5.5 V
Output Voltage Low (Pin 3) I
= 0.5 mA,Ee = 0.7 mW/m
OSL
2
Irradiance (56 kHz) Pulse width tolerance: tpi – 5/fo < E
Irradiance (30–40 kHz)
Irradiance tpi – 5/fo < tpo < tpi + 6/f
tpo < tpi + 6/fo, test signal see fig.7
o
Directivity Angle of half transmission distance ϕ
SD
SH
d 35 m
V
OSL
e min
E
e min
E
e max
1/2
–0.3...6.0 V
5 mA
–0.3...6.0 V
5 mA
100
–25...+85
–25...+85
50 mW
260
0.8 1.1 1.5 mA
1.4 mA
250 mV
0.3 0.6 mW/m
0.2 0.4 mW/m
30 W/m
±45 deg
°
C
°
C
°
C
°
C
2
2
2
Application Circuit
100 W *)
3
1
4.7 mF *)
>10 k
W
optional
m
C
TSOP48..XG1
TSAL62..
**)
16257
2
*) recommended to suppress power supply disturbances
**) The output voltage should not be hold continuously at a voltage below 3.3V by the external circuit.
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2 (7)
+5V
GND
Document Number 82130
Rev. 3, 29-Mar-01
Suitable Data Format
The circuit of the TSOP48..XG1 is designed in that
way that unexpected output pulses due to noise or
disturbance signals are avoided. A bandpassfilter, an
integrator stage and an automatic gain control are
used to suppress such disturbances.
The distinguishing mark between data signal and
disturbance signal are carrier frequency, burst length
and duty cycle.
The data signal should fullfill the following condition:
• Carrier frequency should be close to center
frequency of the bandpass (e.g. 38kHz).
• Burst length should be 10 cycles/burst or longer.
• After each burst which is between 10 cycles and 70
cycles a gap time of at least 14 cycles is necessary.
• For each burst which is longer than 1.8ms a
corresponding gap time is necessary at some time in
the data stream. This gap time should be at least 4
times longer than the burst.
• Up to 800 short bursts per second can be received
continuously .
TSOP48..XG1
Vishay Telefunken
Some examples for suitable data format are:
NEC Code, T oshiba Micom Format, Sharp Code, RC5
Code, RC6 Code, R–2000 Code.
When a disturbance signal is applied to the
TSOP48..XG1 it can still receive the data signal.
However the sensitivity is reduced to that level that no
unexpected pulses will occure.
Some examples for such disturbance signals which
are suppressed by the TSOP48..XG1 are:
• DC light (e.g. from tungsten bulb or sunlight)
• Continuous signal at 38kHz or at any other
frequency
• Signals from fluorescent lamps with electronic
ballast with high or low modulation (see Figure A or
Figure B).
0 5 10 15 20
time [ms]
Figure A: IR Signal from Fluorescent Lamp with low Modulation
0 5 10 15 20
time [s]
Figure B: IR Signal from Fluorescent Lamp with high Modulation
Document Number 82130
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3 (7)Rev. 3, 29-Mar-01
TSOP48..XG1
Vishay Telefunken
Typical Characteristics (T
1.0
0.8
0.6
0.4
e
0.2
E / E – Rel. Responsitivity
e min
0.0
0.7 0.8 0.9 1.0 1.1
94 8143
f = f0"
D
f ( 3dB ) = f
f/f0 – Relative Frequency
5%
0
amb
/10
1.2
Figure 1. Frequency Dependence of Responsivity
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
po
t – Output Pulse Length (ms)
0.1
0
0.1 1.0 10.0 100.0 1000.0 10000.0
Input burst duration
l
= 950 nm,
optical test signal, fig.7
Ee – Irradiance ( mW/m2 )96 12110
= 25_C unless otherwise specified)
2
2.0
f(E)=f
0
f = f
0
10 kHz
100 Hz
AC Voltage on DC Supply Voltage (mV)
1.3
1.6
1.2
0.8
0.4
e min
E – Threshold Irradiance ( mW/m )
0.0
0.0 0.4 0.8 1.2 1.6
94 8147
E – Field Strength of Disturbance ( kV/m )
Figure 4. Sensitivity vs. Electric Field Disturbances
10
2
1
e min
E – Threshold Irradiance ( mW/m )
0.1
0.01 0.1 1 10 100
94 9106
D
V
sRMS –
2.0
1 kHz
1000
Figure 2. Sensitivity in Dark Ambient
5.0
2
4.5
(Disturbance effect):10W/m
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
e min
E – Threshold Irradiance (mW/m )
0
0.01 0.10 1.00 10.00 100.00
Figure 3. Sensitivity in Bright Ambient
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4 (7)
Correlation with ambient light sources
(Stand.illum.A,T=2855K)^8.2klx
(Daylight,T=5900K)
Ambient, l = 950 nm
E – DC Irradiance (W/m2)96 12111
2
^
1.4klx
Figure 5. Sensitivity vs. Supply Voltage Disturbances
1.0
2
E – Threshold Irradiance (mW/m )
e min
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Sensitivity in dark ambient
0
–30 –15 0 15 30 45 60 75 90
T
– Ambient Temperature ( °C )96 12112
amb
Figure 6. Sensitivity vs. Ambient Temperature
Document Number 82130
Rev. 3, 29-Mar-01
Optical Test Signal
E
(IR diode TSAL6200, IF = 0.4 A, 30 pulses, f = f0, T = 10 ms)
e
tpi *
T
* t
w 10/fo is recommended for optimal function
pi
Output Signal
V
O
V
OH
V
OL
t
d
1 )
7/f0 < td < 15/f
2 )
tpo = tpi " 6/f
1 )
t
po
0
0
2
Figure 7. Output Function
Optical Test Signal
E
e
16110
t
TSOP48..XG1
Vishay Telefunken
1.0
0.9
0.8
t
0.7
0.6
0.5
0.4
0.3
0.2
on off
0.1
T ,T – Output Pulse Length (ms)
0
l
optical test signal, fig.8
0.1 1.0 10.0 100.0 1000.0 10000.0
Ee – Irradiance (mW/m2)96 12114
Figure 10. Output Pulse Diagram
1.2
T
off
= 950 nm,
T
on
600 ms 600 ms
Output Signal, ( see Fig.10 )
V
O
V
OH
V
OL
Figure 8. Output Function
0.8
f = 38 kHz
0.7
0.6
0.5
0.4
0.3
0.2
Envelope Duty Cycle
0.1
0
10 20 30 40 50 60 70 80 90
Burstlength [number of cycles/burst]16156
T = 60 ms
T
on
1.0
t
0.8
0.6
94 8134
0.4
rel
0.2
l
S ( ) – Relative Spectral Sensitivity
0
750 850 950 1050
T
off
t
94 8408
l
– Wavelength ( nm )
1150
Figure 11. Relative Spectral Sensitivity vs. Wavelength
0°
96 12223p2
1.0
0.9
0.8
0.7
0.4 0.2 0 0.2 0.4
0.6
d
– Relative Transmission Distance
rel
10° 20°
30°
40°
50°
60°
70°
80°
0.6
Figure 9. Max. Envelope Duty Cycle vs. Burstlength
Document Number 82130
Figure 12. Directivity
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5 (7)Rev. 3, 29-Mar-01
TSOP48..XG1
Vishay Telefunken
Dimensions in mm
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6 (7)
14273
Document Number 82130
Rev. 3, 29-Mar-01
TSOP48..XG1
Vishay Telefunken
Ozone Depleting Substances Policy Statement
It is the policy of Vishay Semiconductor GmbH to
1. Meet all present and future national and international statutory requirements.
2. Regularly and continuously improve the performance of our products, processes, distribution and operating
systems with respect to their impact on the health and safety of our employees and the public, as well as their
impact on the environment.
It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as
ozone depleting substances (ODSs).
The Montreal Protocol (1987) and its London Amendments (1990) intend to severely restrict the use of ODSs and
forbid their use within the next ten years. V arious national and international initiatives are pressing for an earlier ban
on these substances.
Vishay Semiconductor GmbH has been able to use its policy of continuous improvements to eliminate the use of
ODSs listed in the following documents.
1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively
2. Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental
Protection Agency (EPA) in the USA
3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C (transitional substances) respectively.
Vishay Semiconductor GmbH can certify that our semiconductors are not manufactured with ozone depleting
substances and do not contain such substances.
We reserve the right to make changes to improve technical design and may do so without further notice.
Parameters can vary in different applications. All operating parameters must be validated for each customer application
by the customer. Should the buyer use Vishay-Telefunken products for any unintended or unauthorized application, the
buyer shall indemnify Vishay-Telefunken against all claims, costs, damages, and expenses, arising out of, directly or
indirectly , any claim of personal damage, injury or death associated with such unintended or unauthorized use.
Document Number 82130
Vishay Semiconductor GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany
Telephone: 49 (0)7131 67 2831, Fax number: 49 (0)7131 67 2423
www.vishay.com
7 (7)Rev. 3, 29-Mar-01
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