TSSP58P38 Datasheet PDF - Vishay
Part Number | TSSP58P38 | |
Description | IR Detector | |
Manufacturers | Vishay | |
Logo | ||
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TSSP58P38
Vishay Semiconductors
IR Detector for Mid Range Proximity Sensor
19026
MECHANICAL DATA
Pinning
1 = OUT, 2 = GND, 3 = VS
DESCRIPTION
The TSSP58P38 is a compact infrared detector module for
proximity sensing application. 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
• Receives 38 kHz modulated signal
• 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
• Safety switches for garage door, elevator door, gates, and
industrial light curtains
• Reflective sensors for toilet, urinal, faucet and hand dryer,
and towel dispenser
• Navigational sensor for robotics
• Sensor for large format touch panels
• Object detection in vending machines, parking lots,
ATM’s, and many others
PARTS TABLE
CARRIER FREQUENCY
38 kHz (1)
Note
(1) Other frequencies available by request
BLOCK DIAGRAM
16833_5
33 kΩ
Input
AGC
Band
pass
Demo-
dulator
PIN Control circuit
3
VS
1
OUT
2
GND
MID RANGE SENSOR
TSSP58P38
APPLICATION CIRCUIT
+3V
IR emitter
Envelope
signal
38 kHz
+3V
Out to
μC
TSSP58P38
Rev. 1.2, 31-Jan-13
1 Document Number: 82476
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
|
|
www.vishay.com
Example for a sensor hardware:
IR Receiver
TSSP58P38
Emitter
TSAL6200
Separation to avoid
crosstalk by stray light inside
the housing
PACKAGE DIMENSIONS in millimeters
5
(4)
TSSP58P38
Vishay Semiconductors
There should be no common window in front of the emitter
and receiver in order to avoid crosstalk by guided light
through the window.
The logarithmic characteristic of the AGC in the TSSP58P38
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.
4.8
2.8
R2
(1.54)
0.85 max.
2.54 nom.
0.7 max.
2.54 nom.
Marking area
0.5 max.
1.2 ± 0.2
Drawing-No.: 6.550-5263.01-4
Issue: 12; 16.04.10
19009
technical drawings
according to DIN
specifications
Not indicated to lerances ± 0.2
R2
Rev. 1.2, 31-Jan-13
5 Document Number: 82476
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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