Document Number: 81737 www.vishay.com
Rev. 1.6, 04-Feb-11 1
IR Receiver Modules for Remote Control Systems
TSOP321.., TSOP323.., TSOP325.., TSOP341.., TSOP343.., TSOP345..
Vishay Semiconductors
MECHANICAL DATA
Pinning for TSOP341.., TSOP343.., TSOP345..:
1 = OUT, 2 = GND, 3 = VS
Pinning for TSOP321.., TSOP323.., TSOP325..:
1 = OUT, 2 = VS, 3 = GND
FEATURES
• Very low supply current
• Photo detector and preamplifier in one
package
• Internal filter for PCM frequency
• Improved shielding against EMI
• Supply voltage: 2.5 V to 5.5 V
• Improved immunity against ambient light
• Insensitive to supply voltage ripple and noise
• Compliant to RoHS Directive 2002/95/EC and
in accordance to WEEE 2002/96/EC
DESCRIPTION
These products are miniaturized receivers for infrared remote
control systems. A PIN diode and a preamplifier are assembled
on a lead frame, the epoxy package acts as an IR filter.
The demodulated output signal can be directly decoded by a
microprocessor. The TSOP321.., TSOP341.. are compatible
with all common IR remote control data formats. The
TSOP323.., TSOP343.. are optimized to better suppress
spurious pulses from energy saving fluorescent lamps. The
TSOP325.., TSOP345.. have an excellent noise suppression. It
is immune to dimmed LCD backlighting and any fluorescent
lamps. AGC3 and AGC5 may also suppress some data signals
in case of continuous transmission.
This component has not been qualified according to
automotive specifications.
BLOCK DIAGRAM APPLICATION CIRCUIT
16672
1
2
3
PARTS TABLE
CARRIER
FREQUENCY
SHORT BURST AND HIGH DATA
RATE (AGC1)
NOISY ENVIROMENTS AND SHORT
BURST (AGC3)
VERY NOISY ENVIROMENTS AND
SHORT BURSTS (AGC5)
PINNING
1 = OUT,
2 = GND, 3 = VS
1 = OUT,
2 = VS, 3 = GND
1 = OUT,
2 = GND, 3 = VS
1 = OUT,
2 = VS, 3 = GND
1 = OUT,
2 = GND, 3 = VS
1 = OUT,
2 = VS, 3 = GND
30 kHz TSOP34130 TSOP32130 TSOP34330 TSOP32330 TSOP34530 TSOP32530
33 kHz TSOP34133 TSOP32133 TSOP34333 TSOP32333 TSOP34533 TSOP32533
36 kHz TSOP34136 TSOP32136 TSOP34336 TSOP32336 TSOP34536 TSOP32536
38 kHz TSOP34138 TSOP32138 TSOP34338 TSOP32338 TSOP34538 TSOP32538
40 kHz TSOP34140 TSOP32140 TSOP34340 TSOP32340 TSOP34540 TSOP32540
56 kHz TSOP34156 TSOP32156 TSOP34356 TSOP32356 TSOP34556 TSOP32556
30 kΩ
2
3
1
Demo-
pass
AGCInput
PIN
Band
dulator
Control circuit
16833-13
C1
IR receiver
GND
Circuit
µC
R1
+ VS
GND
Transmitter
with
TSALxxxx VS
VO
17170_5
OUT
R1 and C1 are recommended for protection against EOS.
Components should be in the range of 33 Ω < R1 < 1 kΩ,
C1 > 0.1 µF.
** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902
www.vishay.com Document Number: 81737
2Rev. 1.6, 04-Feb-11
TSOP321.., TSOP323.., TSOP325.., TSOP341.., TSOP343.., TSOP345..
Vishay Semiconductors IR Receiver Modules for Remote
Control Systems
Note
• Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification
is not implied. Exposure to absolute maximum rating conditions for extended periods may affect the device reliability.
TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
Fig. 1 - Output Active Low Fig. 2 - Pulse Length and Sensitivity in Dark Ambient
ABSOLUTE MAXIMUM RATINGS
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
Supply voltage VS- 0.3 to + 6 V
Supply current IS3mA
Output voltage VO- 0.3 to (VS + 0.3) V
Output current IO5mA
Junction temperature Tj100 °C
Storage temperature range Tstg - 25 to + 85 °C
Operating temperature range Tamb - 25 to + 85 °C
Power consumption Tamb 85 °C Ptot 10 mW
Soldering temperature t 10 s, 1 mm from case Tsd 260 °C
ELECTRICAL AND OPTICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
Supply current Ev = 0, VS = 3.3 V ISD 0.27 0.35 0.45 mA
Ev = 40 klx, sunlight ISH 0.45 mA
Supply voltage VS2.5 5.5 V
Transmission distance
Ev = 0, test signal see fig. 1,
IR diode TSAL6200,
IF = 250 mA
d45m
Output voltage low IOSL = 0.5 mA, Ee = 0.7 mW/m2,
test signal see fig. 1 VOSL 100 mV
Minimum irradiance
Pulse width tolerance:
tpi - 5/fo < tpo < tpi + 6/fo,
test signal see fig. 1
Ee min. 0.1 0.25 mW/m2
Maximum irradiance tpi - 5/fo < tpo < tpi + 6/fo,
test signal see fig. 1 Ee max. 30 W/m2
Directivity Angle of half transmission
distance 1/2 ± 45 deg
E
e
T
t
pi
*) t
V
O
V
OH
V
OL
t
po
2)
t
14337
Optical Test Signal
(IR diode TSAL6200, I
F
= 0.4 A, N = 6 pulses, f = f
0
, t = 10 ms)
Output Signal
t
d
1)
1)
3/f
0
< t
d
< 9/f
0
2)
t
pi
- 4/f
0
< t
po
< t
pi
+ 6/f
0
*) t
pi
≥ 6/f0 is recommended for optimal function
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.1 1 10 100 1000 10 000
Ee - Irradiance (mW/m²)
tpo - Output Pulse Width (ms)
Input Burst Length
λ = 950 nm,
optical test signal, fig. 1
Output Pulse Width
20760
Document Number: 81737 www.vishay.com
Rev. 1.6, 04-Feb-11 3
TSOP321.., TSOP323.., TSOP325.., TSOP341.., TSOP343.., TSOP345..
IR Receiver Modules for Remote
Control Systems Vishay Semiconductors
Fig. 3 - Output Function
Fig. 4 - Output Pulse Diagram
Fig. 5 - Frequency Dependence of Responsivity
Fig. 6 - Sensitivity in Bright Ambient
Fig. 7 - Sensitivity vs. Supply Voltage Disturbances
Fig. 8 - Sensitivity vs. Electric Field Disturbances
E
e
t
V
O
V
OH
V
OL
t
600 µs 600 µs
t = 60 ms
t
on
t
off
94 8134
Optical Test Signal
Output Signal, (see fig. 4)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.1 1 10 100 1000 10 000
Ee - Irradiance (mW/m²)
Ton, Toff - Output Pulse Width (ms)
20744
λ = 950 nm,
Optical Test Signal, Fig. 3
Ton
Toff
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0.7 0.9 1.1 1.3
f/f0 - Relative Frequency16925
f = f0 ± 5 %
Δ f(3 dB) = f0/10
E /E - Rel. Responsivity
e min. e
0
0.5
1
1.5
2
2.5
3
3.5
4
0.01 0.1 1 10 100
Ee - Ambient DC Irradiance (W/m²)
Ee min. - Threshold Irradiance (mW/m²)
Correlation with Ambient Light Sources:
10 W/m² = 1.4 klx (Std. illum. A, T = 2855 K)
10 W/m² = 8.2 klx (Daylight, T = 5900 K)
Wavelength of Ambient
Illumination: λ = 950 nm
20745
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1 10 100 1000
20746
Ee min. - Threshold Irradiance (mW/m²)
f = f0
f = 20 kHz
f = 30 kHz
f = 100 Hz
f = 10 kHz
Δ VsRMS - AC Voltage on DC Supply Voltage (mV)
www.vishay.com Document Number: 81737
4Rev. 1.6, 04-Feb-11
TSOP321.., TSOP323.., TSOP325.., TSOP341.., TSOP343.., TSOP345..
Vishay Semiconductors IR Receiver Modules for Remote
Control Systems
Fig. 9 - Maximum Envelope Duty Cycle vs. Burst Length
Fig. 10 - Sensitivity vs. Ambient Temperature
Fig. 11 - Relative Spectral Sensitivity vs. Wavelength
Fig. 12 - Horizontal Directivity
Fig. 13 - Sensitivity vs. Supply Voltage
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0 20 40 60 80 100 120
Burst Length (Number of Cycles/Burst)
Max. Envelope Duty Cycle
22180-8
f = 38 kHz,
Ee = 2 mW/m²
TSOP345.., TSOP325..
TSOP343.., TSOP323..
TSOP341..
TSOP321..
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
- 30 - 10 10 30 50 70 90
Tamb - Ambient Temperature (°C)
Ee min. - Threshold Irradiance (mW/m²)
20749
0.0
0.2
0.4
0.6
0.8
1.0
1.2
750 850 950 1050 1150
λ- Wavelength (nm)16919
S ( ) - Relative Spectral Sensitivityλrel
96 12223p2
0.4 0.2 00.6
0.9
0°
30°
10° 20°
40°
50°
60°
70°
80°
1.0
0.8
0.7
d
rel
- Relative Transmission Distance
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
23456
V
s
- Supply Voltage (V)
E
e min.
- Sensitivity (mW/m²)
20750 3.5 4.5 5.5
2.5
Document Number: 81737 www.vishay.com
Rev. 1.6, 04-Feb-11 5
TSOP321.., TSOP323.., TSOP325.., TSOP341.., TSOP343.., TSOP345..
IR Receiver Modules for Remote
Control Systems Vishay Semiconductors
SUITABLE DATA FORMAT
These products are designed to suppress spurious output
pulses due to noise or disturbance signals. Data and
disturbance signals can be distinguished by the devices
according to carrier frequency, burst length and envelope
duty cycle. The data signal should be close to the
band-pass center frequency (e.g. 38 kHz) and fulfill the
conditions in the table below.
When a data signal is applied to the IR receiver in the
presence of a disturbance signal, the sensitivity of the
receiver is reduced to insure that no spurious pulses are
present at the output. Some examples of disturbance
signals which are suppressed are:
• DC light (e.g. from tungsten bulb or sunlight)
• Continuous signals at any frequency
• Modulated noise from fluorescent lamps with electronic
ballasts (see figure 14 or figure 15) Fig. 14 - IR Signal from Fluorescent Lamp
with Low Modulation
Fig. 15 - IR Signal from Fluorescent Lamp
with High Modulation
Note
• For data formats with long bursts (more than 10 carrier cycles) please see the datasheet for TSOP348.., TSOP344.., TSOP322.., TSOP324..
0101520
Time (ms)
16920
IR Signal
5
0101520
Time (ms)
16921
IR Signal
5
TSOP341.., TSOP321.. TSOP343.., TSOP323.. TSOP345.., TSOP325..
Minimum burst length 6 cycles/burst 6 cycles/burst 6 cycles/burst
After each burst of length
a minimum gap time is required of
6 to 70 cycles
10 cycles
6 to 35 cycles
10 cycles
6 to 24 cycles
10 cycles
For bursts greater than
a minimum gap time in the data
stream is needed of
70 cycles
> 1.2 x burst length
35 cycles
> 6 x burst length
24 cycles
> 25 ms
Maximum number of continuous
short bursts/second 2000 2000 2000
Recommended for NEC code yes yes yes
Recommended for RC5/RC6 code yes yes yes
Recommended for Sony code yes no no
Recommended for RCMM code yes yes yes
Recommended for r-step code yes yes yes
Recommended for XMP code yes yes yes
Suppression of interference from
fluorescent lamps
Common disturbance signals are
supressed (example:
signal pattern of fig. 14)
Even critical disturbance signals
are suppressed (examples: signal
pattern of fig. 14 and fig. 15)
Even critical disturbance signals
are suppressed (examples: signal
pattern of fig. 14 and fig. 15)
www.vishay.com Document Number: 81737
6Rev. 1.6, 04-Feb-11
TSOP321.., TSOP323.., TSOP325.., TSOP341.., TSOP343.., TSOP345..
Vishay Semiconductors IR Receiver Modules for Remote
Control Systems
PACKAGE DIMENSIONS in millimeters
Not indicated tolerances ± 0.2
Drawing-No.: 6.550-5169.01-4
Issue: 9; 03.11.10
13655
specications
according to DIN
technical drawings
3.9
0.5 max.
1.3
4.1
6
0.85 max.
0.89
1
1
8.25
(5.55)
6.95
5.3
30.5 ± 0.5
2.54 nom.
2.54 nom.
0.7 max.
5.6
marking area
R 2.5
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 12-Mar-12 1Document Number: 91000
Disclaimer
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Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.