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TSSP58P38
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Vishay Semiconductors
IR Receiver Modules for Mid Range Proximity Sensors
FEATURES
• Low supply current
• Photo detector and preamplifier in one package
• Internal filter for burst 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
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
19026
DESCRIPTION
MECHANICAL DATA
The TSSP58P38 series are miniaturized receivers for
Mid range proximity sensor systems. A PIN diode and a
preamplifier are assembled on a lead frame, the epoxy
package acts as an IR filter.
Pinning
1 = OUT, 2 = GND, 3 = VS
The output pulse width of the TSSP58P38 has an almost
linear relationship to the distance of the emitter or the
distance of an reflecting object. The TSSP58P38 is
optimized to suppress almost all spurious pulses from
energy saving fluorescent lamps.
Please see the document “Product Transition Schedule” at
www.vishay.com/ir-receiver-modules/ for up-to-date info,
when this product will be released.
This component has not been qualified according to
automotive specifications.
PARTS TABLE
CARRIER FREQUENCY
MID RANGE SENSOR
38 kHz (1)
TSSP58P38
Note
(1) Other frequencies available by request
BLOCK DIAGRAM
APPLICATION CIRCUIT
17170-10
16833_5
3
VS
1
Input
AGC
Band
pass
Demodulator
R1
IR receiver
VS
Circuit
33 kΩ
Transmitter
with
TSALxxxx
+ VS
C1
µC
OUT
OUT
GND
VO
GND
2
PIN
Rev. 1.1, 09-Mar-12
Control circuit
The external components R1 and C1 are optional
to improve the robustness against electrical overstress
(typical values are R1 = 100 Ω, C1 = 0.1 µF).
GND
1
Document Number: 82476
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ABSOLUTE MAXIMUM RATINGS
PARAMETER
TEST CONDITION
SYMBOL
VALUE
UNIT
VS
- 0.3 to + 6
V
Supply voltage (pin 3)
Supply current (pin 3)
IS
5
mA
Output voltage (pin 1)
VO
- 0.3 to 5.5
V
VS - VO
- 0.3 to (VS + 0.3)
V
IO
5
mA
Voltage at output to supply
Output current (pin 1)
Tj
100
°C
Storage temperature range
Junction temperature
Tstg
- 25 to + 85
°C
Operating temperature range
Tamb
- 25 to + 85
°C
Tamb ≤ 85 °C
Ptot
10
mW
t ≤ 10 s, 1 mm from case
Tsd
260
°C
Power consumption
Soldering temperature
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 condtions for extended periods may affect the device reliability.
ELECTRICAL AND OPTICAL CHARACTERSTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
Supply current (pin 3)
TEST CONDITION
SYMBOL
MIN.
TYP.
MAX.
UNIT
Ev = 0, VS = 5 V
ISD
0.55
0.7
0.9
mA
Ev = 40 klx, sunlight
ISH
Supply voltage
0.8
VS
2.5
Ev = 0, test signal see fig. 1,
IR diode TSAL6200,
IF = 250 mA
d
IOSL = 0.5 mA, Ee = 0.7 mW/m2,
test signal see fig. 1
VOSL
Minimum irradiance
Pulse width tolerance:
tpi - 5/fo < tpo < tpi + 6/fo,
test signal see fig. 1
Ee min.
Maximum irradiance
tpi - 5/fo < tpo < tpi + 6/fo,
test signal see fig. 1
Ee max.
Directivity
Angle of half transmission
distance
ϕ1/2
Transmission distance
Output voltage low (pin 1)
mA
5.5
V
40
m
0.2
100
mV
0.4
mW/m2
W/m2
50
± 45
deg
TYPICAL CHARACTERSTICS (Tamb = 25 °C, unless otherwise specified)
Optical Test Signal
1.0
(IR diode TSAL6200, IF = 0.4 A, 30 pulses, f = f0, t = 10 ms)
0.9
tpo - Output Pulse Width (ms)
Ee
t
tpi *
* tpi
VO
T
10/f0 is recommended for optimal function
Output Signal
1)
2)
VOH
16110
7/f0 < td < 15/f0
tpi - 5/f0 < tpo < tpi + 6/f 0
VOL
td
1)
tpo
2)
Input Burst Length
0.7
0.6
0.5
0.4
0.3
0.2
λ = 950 nm,
Optical Test Signal, Fig.1
0.1
1
10
102
Ee - Irradiance
Fig. 1 - Output Active Low
Rev. 1.1, 09-Mar-12
0.8
0
0.1
t
Output Pulse Width
103
104
(mW/m2)
Fig. 2 - Pulse Length and Sensitivity in Dark Ambient
2
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600 µs
Ee min. - Threshold Irradiance (mW/m2)
Optical Test Signal
Ee
t
600 µs
t = 60 ms
94 8134
Output Signal, (see fig. 4)
VO
VOH
VOL
t off
t on
5.0
Correlation with Ambient Light Sources:
4.5 10 W/m2 = 1.4 kLx (Std. illum. A, T = 2855 K)
10
W/m2 = 8.2 kLx (Daylight, T = 5900 K)
4.0
3.5
2.5
2.0
1.5
1.0
0.5
0
0.01
t
Ee min. - Threshold Irradiance (mW/m2)
ton, toff - Output Pulse Width (ms)
ton
0.6
toff
0.4
0.3
0.2
λ = 950 nm,
optical test signal, Fig. 1
0.1
0
0.1
1
10
100
Ee - Irradiance
1000
10
100
1.0
f = f0
0.9
0.8
0.7
f = 30 kHz
0.6
0.5
f = 20 kHz
0.4
f = 10 kHz
0.3
0.2
0.1
f = 100 Hz
0
1
10 000
10
100
1000
ΔVsRMS - AC Voltage on DC Supply Voltage (mV)
(mW/m2)
Fig. 4 - Output Pulse Diagram
Fig. 7 - Sensitivity vs. Supply Voltage Disturbances
1.2
200
tpo - Output Pulse Width (ms)
E e min./Ee - Rel. Responsivity
1
Fig. 6 - Sensitivity in Bright Ambient
0.8
0.5
0.1
Ee - Ambient DC Irradiance (W/m2)
Fig. 3 - Output Function
0.7
Wavelength of Ambient
Illumination: λ = 950 nm
3.0
1.0
0.8
0.6
0.4
f = f0 ± 5 %
Δ f(3 dB) = f0/10
0.2
180
160
140
120
100
80
60
40
Burst length = 300 ms, f = fO
20
0.0
0
0.7
16925
0.9
1.1
0.1
1.3
22088
f/f0 - Relative Frequency
Fig. 5 - Frequency Dependence of Responsivity
Rev. 1.1, 09-Mar-12
1
10
100
Ee - Irradiance (mW/m2)
Fig. 8 - Maximum Output Pulse Width vs. Irradiance
3
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0°
0.40
10°
20°
30°
Ee min. - Sensitivity (mW/m2)
0.35
0.30
40°
0.25
1.0
0.20
0.9
50°
0.8
60°
0.15
0.10
70°
0.7
0.05
80°
0
- 30
- 10
10
30
50
70
90
0.6
Tamb - Ambient Temperature (°C)
0.4
Fig. 9 - Sensitivity vs. Ambient Temperature
0
Fig. 12 - Vertical Directivity
0.8
Ee min. - Sensitivity (mW/m2)
1.2
S (λ)rel - Relative Spectral Sensitivity
0.2
d rel - Relative Transmission Distance
19259
1.0
0.8
0.6
0.4
0.2
0
750
850
1050
950
10°
0.5
0.4
0.3
0.2
0.1
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VS - Supply Voltage (V)
Fig. 10 - Relative Spectral Sensitivity vs. Wavelength
0°
0.6
0
1.5
1150
λ - Wavelength (nm)
94 8408
0.7
Fig. 13 - Sensitivity vs. Supply Voltage
20°
30°
40°
1.0
0.9
50°
0.8
60°
70°
0.7
80°
0.6
19258
0.4
0.2
0
drel - Relative Transmission Distance
Fig. 11 - Horizontal Directivity
Rev. 1.1, 09-Mar-12
4
Document Number: 82476
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New Product
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The typical application of the TSSP58P38 is a reflective sensor with analog information contained in its output. Such a sensor
is evaluating the time required by the AGC to suppress a quasi continuous signal. The time required to suppress such a signal
is longer when the signal is strong than when the signal is weak, resulting in a pulse length corresponding to the distance of an
object from the sensor. This kind of analog information can be evaluated by a microcontroller. The absolute amount of reflected
light depends much on the environment and is not evaluated. Only sudden changes of the amount of reflected light, and
therefore changes in the pulse width, are evaluated using this application.
Example of a signal pattern:
500 ms
120 ms, 38 kHz
Optical signal
Response of the
TSSP58P38
(strong reflection)
Response of the
TSSP58P38
(weak reflection)
Example for a sensor hardware:
120
Emitter
TSAL6200
Output Pulse Widht (ms)
IR Receiver
TSSP58P38
Separation to avoid
crosstalk by stray light inside
the housing
There should be no common window in front of the emitter
and receiver in order to avoid crosstalk by guided light
through the window.
80
60
Emitter current: 10 mA
40
20
Emitter
current: 2 mA
0
0
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.
Rev. 1.1, 09-Mar-12
IR Emitter: TSAL6200
Receiver: TSSP58P38
Reflective object: paper DIN A4
100
0.2
0.4
0.6
0.8
1.0
Distance of a Reflective Object (m)
Fig. 14 - Distance Characterisitic of a Typical Reflective Sensor
using the TSSP58P38
5
Document Number: 82476
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PACKAGE DIMENSIONS in millimeters
5
4.8
(4)
2.8
(5.55)
6.95 ± 0.3
8.25 ± 0.3
R2
0.9
1.1
30.5 ± 0.5
(1.54)
0.85 max.
0.7 max.
2.54 nom.
2.54 nom.
0.5 max.
1.2 ± 0.2
Marking area
technical drawings
according to DIN
specifications
Not indicated to lerances ± 0.2
Drawing-No.: 6.550-5263.01-4
Issue: 12; 16.04.10
19009
Rev. 1.1, 09-Mar-12
R2
6
Document Number: 82476
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Disclaimer
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of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
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Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
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Revision: 12-Mar-12
1
Document Number: 91000