VISHAY SEMICONDUCTORS
www.vishay.com
Infrared Remote Control Receivers
Application Note
Introduction to IR Receiver Part Numbers
By Sebastian Schaefer
Special Options
F = narrow optical filter
N = wide optical filter
E = extended
storage
temperature
P = reflow
soldering
H =
shield
option (Belobog)
V = low voltage
W = wide angle (Heimdall)
Application
O = remote control
S
=
sensor
M = repeater or learning
Mechanical Options
SS
= no modification
xy = bent / cut leads,
holder
T
S
P
1
IC
1 = Mneme IC
3 = Aether IC
5 = Methone IC
15 = Mneme IC (Heimdall)
75 = Aether IC (Heimdall)
77 = Methone IC (Heimdall)
Blank = Methone IC
BP - Frequency
30, 33, 36, 38, 40, 56
00 = learning
Packaging Options
Z = ammo pack
Y = plastic bag
Package
1 = Cast
2 = Mold (Out, V
S
,
GND)
3 = Minimold
4 = Mold (Out,
GND,
V
S
)
6 = Panhead
7 = Belobog
8 = Minicast
9 = TVCast, TVCastSMD
AGC
0 =
1 =
2 =
3 =
4 =
5 =
6 =
P =
fixed gain
most IR codes,
short
int
basic noise
sup.
long int
enhanced noise
sup., short
int
enhanced noise
sup.,
long int
maximized noise
sup., short
int
maximized noise
sup.,
long int
proximity
Fig. 1
Special Packing
BS12 = front orientation
BS21 = back orientation
TT
=
SMD
top view
TR
=
SMD side
view
BK
= bulk packing, Mold only
TT1 = Belobog top view
DF1P = Minimold
SMD
TR1 = TVCastSMD
APPLICATION NOTE
SHORT INTRODUCTION TO PART NUMBERS
The performance of Vishay IR receivers is characterized by the type of microchip (IC) employed, the package, the automatic
gain control (AGC), and the band-pass frequency. These features are included in the part number nomenclature, as illustrated
above. The preamble TSxP already indicates which application the receiver is appropriate for: remote control, sensor
applications, or repeater and learning applications.
After the preamble, a number with five digits specifies the receiver. Further extensions assign special mechanical and package
options.
Revision: 11-Dec-17
Document Number: 80076
1
For technical questions, contact:
IRR@vishay.com
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
Application Note
www.vishay.com
Vishay Semiconductors
Introduction to IR Receiver Part Numbers
IC
The first digit after the preamble is reserved for the IC. Please note that “5” or a blank digit both indicate a Methone IC. A blank
digit means that in this case the number consists of four digits only. Furthermore, there are some exceptions for the Heimdall
package naming, where package number and IC number cannot be separated, but consist of a two-digit number. For example,
a receiver with Mneme IC, Heimdall package, AGC4, and 38 kHz band-pass frequency would be referred to as TSOP15438.
The microchip contains logic circuits that are employed to distinguish between noise and signal. Consequently, the choice of
the IC has impact on the dark sensitivity of the receiver as well as the robustness against different disturbance sources like
fluorescent lamps or Wi-Fi.
PACKAGE
The second digit specifies the type of receiver package. A choice can be made between SMD (Minimold P1xTR or DF1P,
Heimdall, Panhead, Belobog, TVCastSMD) and through-hole assembly (Minicast, Mold, Minimold, TVCast, Cast). The Mold
package is available with two different pinnings and therefore employs two different numbers. Both the Minimold and the
TVCast packages are unique in that both packages allow for both SMD and through-hole assembly. In the case of SMD
assembly, the latter is called TVCastSMD, and the SMD versions of both packages must be ordered in tape and reel.
AGC
The third digit defines the automatic gain control (AGC). The AGC controls which data formats are accepted and which
disturbance sources are suppressed by the receiver. The odd-numbered AGCs (1, 3, 5) are designed for short-burst reception,
defined as six or more carrier cycles per burst, and the even-numbered AGCs (2, 4, 6) are designed for long bursts, defined as
10 or more carrier cycles per burst. The higher the AGC number, the more robust will be the disturbance noise suppression
characteristics, but also the number of codes interpreted as noise will increase. It is essential that the designer test the intended
remote control code in the worst-case disturbed ambient to determine the optimal AGC.
For further information, please refer to:
www.vishay.com/doc?49860, www.vishay.com/doc?82666
BAND PASS FREQUENCY
Vishay IR receivers apply a band-pass filter that is tuned to a specific modulation frequency in the kHz regime, which enables
them to pick up a weak signal even under extremely noisy environmental conditions. The band-pass filter’s Q-factor is low, so
modulation frequencies outside the center frequency will often be received, but at a lower sensitivity. The last two digits indicate
the band-pass frequency in kHz.
PART NUMBER NOMENCLATURE FOR IR RECEIVER CHIP PACKAGE
V
S
O P
8
IC
3 = Aether IC
9 = Methone IC (VSOP)
BP - Frequency
36, 38,
60 = learning
APPLICATION NOTE
AGC
2 = fixed gain (VSOP)
3 = enhanced noise
sup., short
int
Fig. 2
VSOP
The VSOP products are chip packages for IR receivers, which require an external photodiode. The external photodiode should
typically contain an IR filter to eliminate wavelengths shorter than 940 nm, although operation without this filter is conceivable
for exotic applications, e.g. underwater where blue light is better propagated.
The nomenclature is similar to the TSxP receivers.
Revision: 11-Dec-17
Document Number: 80076
2
For technical questions, contact:
IRR@vishay.com
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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