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TSOP322.., TSOP324.., TSOP344.., TSOP348..
www.vishay.com
Vishay Semiconductors
IR Receiver Modules for Remote Control Systems
1
2
3
MECHNICAL DATA
Pinning for TSOP348.., TSOP344..:
1 = OUT, 2 = GND, 3 = VS
Pinning for TSOP322.., TSOP324..:
1 = OUT, 2 = VS, 3 = GND
16672
FEATURES
• Very low supply current
• Photo detector and preamplifier in one package
• Internal filter for PCM frequency
• Supply voltage: 2.5 V to 5.5 V
• Improved immunity against ambient light
• Insensitive to supply voltage ripple and noise
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
DESCRIPTION
The TSOP322.., TSOP348.., TSOP324.. and TSOP344..
series are miniaturized IR receiver modules for infrared
remote control systems. A PIN diode and a preamplifier are
assembled on lead frame, the epoxy package contains an IR
filter.
The demodulated output signal can be directly connected to
a microprocessor for decoding.
The TSOP324.., TSOP344.. series devices are optimized
to suppress almost all spurious pulses from energy saving
lamps like CFLs. The AGC4 used in the TSOP324..,
TSOP344.. may suppress some data signals. The
TSOP322.., TSOP348.. series are provided primarily for
compatibility with old AGC2 designs. New designs should
prefer the TSOP324.., TSOP344.. series containing the
newer AGC4.
These components have not been qualified according to
automotive specifications.
PARTS TABLE
AGC
LEGACY, FOR
LONG BURST REMOTE CONTROLS (AGC2)
RECOMMENDED FOR
LONG BURST CODES (AGC4)
30 kHz
TSOP34830
TSOP32230
TSOP34430
TSOP32430
33 kHz
TSOP34833
TSOP32233
TSOP34433
TSOP32433
Carrier
36 kHz
frequency 38 kHz
TSOP34836
TSOP34838
TSOP32236
TSOP32238
TSOP34436 (1)(2)(3)
TSOP34438 (4)(5)
TSOP32436 (1)(2)(3)
TSOP32438 (4)(5)
40 kHz
TSOP34840
TSOP32240
TSOP34440
TSOP32440
56 kHz
TSOP34856
TSOP32256
TSOP34456 (6)(7)
TSOP32456 (6)(7)
Package
Mold
Pinning
Dimensions (mm)
1 = OUT, 2 = GND, 3 = VS 1 = OUT, 2 = VS, 3 = GND 1 = OUT, 2 = GND, 3 = VS 1 = OUT, 2 = VS, 3 = GND
6.0 W x 6.95 H x 5.6 D
Mounting
Leaded
Application
Remote control
Best remote control code
(1) RC-5 (2) RC-6 (3) Panasonic (4) NEC (5) Sharp (6) r-step (7) Thomson RCA
Rev. 1.4, 22-Jul-16
1 Document Number: 82489
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

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TSOP322.., TSOP324.., TSOP344.., TSOP348..
www.vishay.com
Vishay Semiconductors
BLOCK DIAGRAM
16833-13
30 kΩ
Input
AGC
Band
pass
Demo-
dulator
PIN Control circuit
3
1
2
APPLICATION CIRCUIT
17170-11
Transmitter
with
TSALxxxx
IR receiver
VS
OUT
GND
R1
C1
VO
+ VS
μC
GND
R1 and C1 recommended to reduce supply ripple for VS < 2.8 V
ABSOLUTE MAXIMUM RATINGS
PARAMETER
TEST CONDITION
SYMBOL
VALUE
UNIT
Supply voltage
Supply current
Output voltage
Output current
Junction temperature
Storage temperature range
Operating temperature range
Power consumption
Soldering temperature
Tamb 85 °C
t 10 s, 1 mm from case
VS
IS
VO
IO
Tj
Tstg
Tamb
Ptot
Tsd
-0.3 to +6
3
-0.3 to (VS + 0.3)
5
100
-25 to +85
-25 to +85
10
260
V
mA
V
mA
°C
°C
°C
mW
°C
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.
ELECTRICAL AND OPTICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
MIN.
TYP.
MAX.
Supply current
Supply voltage
Transmission distance
Output voltage low
Ev = 0, VS = 3.3 V
Ev = 40 klx, sunlight
Ev = 0, test signal see Fig. 1,
IR diode TSAL6200,
IF = 150 mA
IOSL = 0.5 mA, Ee = 0.7 mW/m2,
test signal see Fig. 1
ISD
ISH
VS
d
VOSL
0.27
-
2.5
-
-
0.35
0.45
-
45
-
0.45
-
5.5
-
100
Minimum irradiance
Pulse width tolerance:
tpi - 5/f0 < tpo < tpi + 6/f0,
test signal see Fig. 1
Ee min.
-
0.08 0.15
Maximum irradiance
tpi - 5/f0 < tpo < tpi + 6/f0,
test signal see Fig. 1
Ee max.
30
-
-
Directivity
Angle of half transmission
distance
ϕ1/2
-
± 45
-
UNIT
mA
mA
V
m
mV
mW/m2
W/m2
deg
Rev. 1.4, 22-Jul-16
2 Document Number: 82489
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

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TSOP322.., TSOP324.., TSOP344.., TSOP348..
www.vishay.com
Vishay Semiconductors
TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
E e Optical Test Signal
(IR diode TSAL6200, IF = 0.4 A, 30 pulses, f = f0, t = 10 ms)
t
tpi *
T
* tpi 10/f0 is recommended for optimal function
VO Output Signal
VOH
1) 7/f0 < td < 15/f0
2) tpi - 5/f0 < tpo < tpi + 6/f0
16110
VOL
td 1)
tpo 2)
t
Fig. 1 - Output Active Low
0.8
ton
0.7
0.6
0.5
toff
0.4
0.3
0.2
0.1
λ = 950 nm,
optical test signal, fig. 3
0
0.1 1
10 100 1000
20744
Ee - Irradiance (mW/m²)
10 000
Fig. 4 - Output Pulse Diagram
1.0
0.9 Output pulse width
0.8
0.7 Input burst length
0.6
0.5
0.4
0.3
0.2
λ = 950 nm,
Optical test signal, fig. 1
0.1
0
0.1
20743
1 10 100 1000
Ee - Irradiance (mW/m²)
10 000
Fig. 2 - Pulse Length and Sensitivity in Dark Ambient
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.7
16925
f = f0 ± 5 %
Δf(3 dB) = f0/10
0.9 1.1
f/f0 - Relative Frequency
1.3
Fig. 5 - Frequency Dependence of Responsivity
Optical Test Signal
Ee
600 µs
t = 60 ms
600 µs
Output Signal, (see fig. 4)
VO
VOH
VOL
t on
t off
Fig. 3 - Output Function
t
94 8134
t
4.0
Correlation with ambient light sources:
3.5 10 W/m² = 1.4 klx (std. illum. A, T = 2855 K)
10 W/m² = 8.2 klx (daylight, T = 5900 K)
3.0
2.5
Wavelength of ambient
illumination: λ = 950 nm
2.0
1.5
1.0
0.5
0
0.01
20745
0.1 1 10 100
Ee - Ambient DC Irradiance (W/m²)
Fig. 6 - Sensitivity in Bright Ambient
Rev. 1.4, 22-Jul-16
3 Document Number: 82489
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

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TSOP322.., TSOP324.., TSOP344.., TSOP348..
www.vishay.com
Vishay Semiconductors
3.0
2.5
2.0 f = f0
f = 30 kHz
1.5
f = 10 kHz
f = 100 Hz
1.0
0.5
0
1 10 100 1000
ΔVS RMS - AC Voltage on DC Supply Voltage (mV)
Fig. 7 - Sensitivity vs. Supply Voltage Disturbances
1.0
0.9
0.8
0.7
0.6
0.5
TSOP322..
TSOP348..
0.4 TSOP324..
TSOP344..
0.3
0.2
0.1
f = 38 kHz, Ee = 2 mW/m²
0
0 20 40 60
80
100 120
20748-2 Burst Length (number of cycles/burst)
Fig. 8 - Max. Envelope Duty Cycle vs. Burst Length
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0
-30 -10 10 30 50 70 90
Tamb - Ambient Temperature (°C)
Fig. 9 - Sensitivity vs. Ambient Temperature
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
750 800 850 900 950 1000 1050 1100 1150
21425
λ- Wavelength (nm)
Fig. 10 - Relative Spectral Sensitivity vs. Wavelength
0° 10° 20°
30°
40°
1.0
0.9 50°
0.8 60°
70°
0.7
80°
0.6 0.4 0.2 0
96 12223p2 drel - Relative Transmission Distance
Fig. 11 - Horizontal Directivity
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.00
1
234
VS - Supply Voltage (V)
5
Fig. 12 - Sensitivity vs. Supply Voltage
Rev. 1.4, 22-Jul-16
4 Document Number: 82489
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

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TSOP322.., TSOP324.., TSOP344.., TSOP348..
www.vishay.com
Vishay Semiconductors
SUITABLE DATA FORMAT
This series is designed to suppress spurious output pulses
due to noise or disturbance signals. The devices can
distinguish data signals from noise due to differences in
frequency, burst length, and envelope duty cycle. The data
signal should be close to the device’s band-pass center
frequency (e.g. 38 kHz) and fulfill the conditions in the table
below.
When a data signal is applied to the product in the presence
of a disturbance, the sensitivity of the receiver is
automatically reduced by the AGC to insure that no spurious
pulses are present at the receiver’s output. Some examples
which are suppressed are:
• DC light (e.g. from tungsten bulbs sunlight)
• Continuous signals at any frequency
• Strongly or weakly modulated patterns from fluorescent
lamps with electronic ballasts (see Fig. 13 or Fig. 14).
0
16920
5 10 15
Time (ms)
20
Fig. 13 - IR Disturbance from Fluorescent Lamp
with Low Modulation
0
16921
5 10 15
Time (ms)
20
Fig. 14 - IR Disturbance from Fluorescent Lamp
with High Modulation
Minimum burst length
After each burst of length
a minimum gap time is required of
For bursts greater than
a minimum gap time in the data stream is needed of
Maximum number of continuous short bursts/second
NEC code
RC5/RC6 code
Thomson 56 kHz code
Sharp code
Suppression of interference from fluorescent lamps
TSOP322.., TSOP348..
10 cycles/burst
10 to 70 cycles
10 cycles
70 cycles
> 4 x burst length
1800
Yes
Yes
Yes
Yes
Mild disturbance patterns
are suppressed (example:
signal pattern of Fig. 13)
TSOP324.., TSOP344..
10 cycles/burst
10 to 35 cycles
10 cycles
35 cycles
> 10 x burst length
1500
Preferred
Preferred
Preferred
Preferred
Complex and critical disturbance patterns
are suppressed (example: signal pattern
of Fig. 14 or highly dimmed LCDs)
Notes
• For data formats with short bursts please see the datasheet for TSOP323.., TSOP325.., TSOP343.., TSOP345..
• For Sony 12, 15, and 20 bit IR codes please see the datasheet of TSOP34S40F, TSOP32S40F
Rev. 1.4, 22-Jul-16
5 Document Number: 82489
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