Telefunken TSOP1840UH3V, TSOP1856UH3V, TSOP1833UH3V, TSOP1838UH3V, TSOP1837UH3V Datasheet
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TSOP18..UH3V
Vishay Telefunken
Photo Modules for PCM Remote Control Systems
Available types for different carrier frequencies
Type fo Type fo
TSOP1830UH3V 30 kHz TSOP1833UH3V 33 kHz
TSOP1836UH3V 36 kHz TSOP1837UH3V 36.7 kHz
TSOP1838UH3V 38 kHz TSOP1840UH3V 40 kHz
TSOP1856UH3V 56 kHz
Description
The TSOP18..UH3V – 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. The main benefit is the
reliable function even in disturbed ambient and the
protection against uncontrolled output pulses.
16 081
Features
D
Photo detector and preamplifier in one package
D
Internal filter for PCM frequency
D
TTL and CMOS compatibility
D
Output active low
D
Improved shielding against electrical
field disturbance
D
Suitable burst length ≥6 cycles/burst
Block Diagram
Input
PIN
AGC
Special Features
D
Small size package
D
Supply voltage 3–6 Volt
D
Enhanced immunity against all kinds
of disturbance light
D
No occurrence of disturbance pulses at
the output
D
Short settling time after power on (<200ms)
Control
Circuit
Band
Pass
Demodu-
lator
100 k
3
V
S
W
1
OUT
2
GND
Document Number 82103
16162
www.vishay.de • FaxBack +1-408-970-5600
1 (7)Rev. 2, 13-Jun-00
TSOP18..UH3V
Supply Current (Pin 3)
t
4/f
t
t
5/f
E
Vishay Telefunken
Absolute Maximum Ratings
T
= 25_C
amb
Parameter Test Conditions Symbol Value Unit
Supply Voltage (Pin 3) V
Supply Current (Pin 3) 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
Soldering Temperature t x 10 s, 1 mm from case T
Basic Characteristics
T
= 25_C
amb
Parameter Test Conditions Symbol Min Typ Max Unit
pp
Supply Voltage (Pin 3) V
Transmission Distance
Output Voltage Low (Pin 1) I
Irradiance (30 – 40 kHz)
Irradiance (56 kHz)
Irradiance E
Directivity Angle of half transmission distance ϕ
VS = 3 V, Ev = 0 I
VS = 3 V, Ev = 40 klx, sunlight I
Ev = 0, test signal see fig.6, IR diode
TSAL6200, I
= 0.5 mA,Ee = 0.7 mW/m2, f = f
OSL
Pulse width tolerance:
–
pi
<
o
test signal see fig.6
x 85 °C) P
amb
= 300 mA
F
<
+
po
pi
,
o
SD
SH
S
d 35 m
V
o
OSL
e min
e max
1/2
S
S
O
O
j
stg
amb
tot
sd
–0.3...6.0 V
5 mA
–0.3...6.0 V
5 mA
100
–25...+85
–25...+85
50 mW
260
0.9 1.2 1.5 mA
1.3 mA
3.0 6.0 V
250 mV
0.3 0.5 mW/m
0.4 0.7 mW/m
30 W/m
±45 deg
°
C
°
C
°
C
°
C
2
2
2
Application Circuit
TSOP18..UH3V
TSAL62..
16168
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2 (7)
100
W
*)
3
4.7 mF *)
>10 k
W
optional
m
1
C
2
GND
*) recommended to suppress power supply disturbances
Document Number 82103
+5V
Rev. 2, 13-Jun-00
Suitable Data Format
The circuit of the TSOP18..UH3V 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 ( not
suppressed) and disturbance signal (supressed) are
carrier frequency, burst length and Signal Gap Time
(see diagram below).
TSOP18..UH3V
Vishay Telefunken
Some examples for suitable data format are:
NEC Code (repetitive pulse), NEC Code (repetitive
data), Toshiba Micom Format, Sharp Code, RC5
Code, RECS–80 Code, R–2000 Code.
When a disturbance signal is applied to the
TSOP18..UH3V it can still receive the data signal.
However the sensitivity is reduced to that level that no
unexpected pulses will occure.
The data signal should fullfill the following condition:
• Carrier frequency should be close to center
Some examples for such disturbance signals which
are suppressed by the TSOP18..UH3V are:
frequency of the bandpass (e.g. 38kHz).
• DC light (e.g. from tungsten bulb or sunlight),
• Burst length should be 6 cycles/burst or longer.
• After each burst a gap time of at least 9 cycles is
neccessary.
• The data format should not make a continuous
• Continuous signal at 38kHz or at any other
frequency,
• Signals from fluorescent lamps (see figure B).
signal transmission. There must be a Signal Gap Time
(longer than 25ms) at least each 180ms (see Figure A)
Signal Gap Time
0 20 40 60 80 100 120 140
time [ms]
• Continuous IR signal (e.g. 1ms burst, 2ms pause)
Figure A: Data Signal (Output of IR Receiver) with a Signal Gap Time of 45ms
Signal Gap Time
0 2 4 6 8 10 12 14 16 18 20
time [ms]
Figure B: Disturbance Signal from Fluorescent Lamp with Signal Gap Time of 7ms (suppressed by TSOP18..UH3V)
Document Number 82103
www.vishay.de • FaxBack +1-408-970-5600
3 (7)Rev. 2, 13-Jun-00
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