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PDF TSSP4P38 Data sheet ( Hoja de datos )
| Número de pieza | TSSP4P38 | |
| Descripción | IR Mid Range Proximity Sensors | |
| Fabricantes | Vishay | |
| Logotipo |  |
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TSSP4P38
Vishay Semiconductors
IR Mid Range Proximity Sensors
1
2
3
16672
MECHANICAL DATA
Pinning
1 = OUT, 2 = GND, 3 = VS
DESCRIPTION
The TSSP4P38 is a compact infrared detector module
for proximity sensing applications. It receives 38 kHz
modulated signals and has a peak sensitivity of 940 nm.
The length of the detector’s output pulse varies in proportion
to the amount of light reflected from the object being
detected.
FEATURES
• Up to 2 m for proximity sensing
• Uses modulated bursts at 38 kHz
• 940 nm peak wavelength
• Photo detector and preamplifier in one package
• Low supply current
• Shielding against EMI
• Visible light is suppressed by IR filter
• Insensitive to supply voltage ripple and noise
• Supply voltage: 2.5 V to 5.5 V
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
APPLICATIONS
• Object approach detection for activation of displays and
user consoles, signaling of alarms, etc.
• Simple gesture controls
• Differentiation of car arrival, static, car departure in
parking lots
• Reflective sensors for toilet flush
• Navigational sensor for robotics
PARTS TABLE
Carrier frequency 38 kHz
Package
Pinning
Dimensions (mm)
Mounting
Application
BLOCK DIAGRAM
16833_5
33 kΩ
Input
AGC
Band
pass
Demo-
dulator
PIN Control circuit
3
VS
1
OUT
2
GND
TSSP4P38
Mold
1 = OUT, 2 = GND, 3 = VS
6.0 W x 6.95 H x 5.6 D
Leaded
Proximity sensors
PROXIMITY SENSING
+3V
IR emitter
Envelope
signal
38 kHz
+3V
Out to
μC
IR detector
Rev. 1.6, 01-Jun-15
1 Document Number: 82474
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
1 page  
www.vishay.com
Example for a sensor hardware:
IR detector
IR emitter
Separation to avoid
crosstalk by stray light inside
the housing
PACKAGE DIMENSIONS in millimeters
6
TSSP4P38
Vishay Semiconductors
There should be no common window in front of the emitter
and detector in order to avoid crosstalk by guided light
through the window.
The logarithmic characteristic of the AGC in the TSSP4P38
results in an almost linear relationship between distance and
pulse width. Ambient light has also some impact to the pulse
width of this kind of sensor, making the pulse shorter.
3.9
OUT
GND
0.7 max.
2.54 nom.
Marking area
0.85 max.
0.89
VS
2.54 nom.
0.5 max.
1.3
4.1
5.6
Not indicated tolerances ± 0.2
Drawing-No.: 6.550-5169.11-4
Issue: 13; 17.12.08
16003
R 2.5
technical drawings
according to DIN
specifications
Rev. 1.6, 01-Jun-15
5 Document Number: 82474
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
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet TSSP4P38.PDF ] | |
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