Duo-Lateral, Super Linear PSD’s
Position Sensing Detectors (PSD)
The Super Linear Position Sensors feature state of the art duo-lateral technology
to provide a continuous analog output proportional to the displacement of the
centroid of a light spot from the center, on the active area. As continuous position
sensors, these detectors are unparalleled; offering position accuracies of 99% over
64% of the sensing area. These accuracies are achieved by duo-lateral technology,
manufacturing the detectors with two separate resistive layer, one located on
the top and the other at the bottom of the chip. One or two dimensional position
measurements can be obtained using these sensors. A reverse bias should be
applied to these detectors to achieve optimum current linearity at high light levels.
The maximum recommended power density incident on the duo lateral PSDs are 1
mW / cm2 . For optimum performance, incident beam should be perpendicular to
the active area with spot size less than 1mm in diameter.
APPLICATIONS
50
• Beam Alignment
• Position Sensing
• Angle Measurement
• Surface Profiling
• Height Measurements
• Targeting
• Guidance System
• Motion Analysis
FEATURES
• Super Linear
• Ultra High Accuracy
• Wide Dynamic Range
• High Reliability
• Duo Lateral Structure
For position calculations and further details on circuit set up,
refer to the “Photodiode Characteristics” section of the catalog.
Typical Position Detectability
Typical Spectral Response
Typical Capacitance vs. Reverse Bias Voltage
Typical Dark Current vs. Reverse Bias
Duo-Lateral Super Linear PSD’s
Position
Detection
Error
(µm)
Dark Current
(nA)
Capacitance
(pF)
Rise
Time
(µs)
670 nm
Over 80%
of Length
64% of
Sensing
Area
-15 V, SL Series
-5 V, DL Series
-15 V, SL Series
-5 V, DL Series
670 nm
50 Ω
min.
typ.
typ.
typ.
max.
Position
Detection
Drift †
(µm / °C)
Interelectrode
Resistance
(kΩ)
typ.
max.
typ.
typ.
min.
max.
Temp
Range
(˚C)
Storage
Responsivity
(A/W)
Operating
Dimension
(mm)
Position
Sensing Area
Area (mm2)
Model Number
Typical Electro-Optical Specifications at TA=23ºC
Package
Style ¶
3
3x1
0.3
SL5-1
5
3
5
50
3
7
0.04
0.06
15
80
5
10
100
5
9
0.10
0.10
20
100
0.4
5x1
-20 ~
+80
SL3-1
-10 ~
+60
One-Dimensional Series, Metal Package (VBIAS=-15V)
41 / TO-5
42 / TO-8
One-Dimensional Series, Ceramic Package (VBIAS=-15V)
3x1
3
5
50
3
7
0.04
0.06
15
80
SL5-2
5
5x1
5
10
100
5
9
0.10
0.10
20
100
SL15
15
15 x 1
15
150
300
15
25
0.60
0.1
60
300
SL30
120
30 x 4
30
150
1000
125
150
1.0
0.6
40
80
SL76-1
190
76 x
2.5
76
100
1000
190
250
14.0
1.4
120
600
10
30
0.3
0.4
48 / 8-pin
DIP
-20 ~ +80
3
-10 ~ +60
SL3-2
49 / 24-pin
DIP
51 / Ceramic
50 / Special
Two-Dimensional Series, Metal Package § (VBIAS=-5V)
DL-2 «
30
600
0.20
37 / TO-8
2 sq
30
0.025
10
175
8
14
0.40
DLS-2S «
DL-4
0.3
16
0.4
4 sq
50
1000
35
60
50
DLS-4
0.25
5
25
0.08
25
300
30
40
0.30
-20 ~ +80
4
-10 ~ +60
DLS-2 «
14 / TO-5
37 / TO-8
DL-10
100
10 sq
100
500
5000
175
375
0.20
0.60
34 / Special
DL-20
400
20 sq
200
2000
12000
600
1500
1.00
1.0
35 / Special
100
10 sq
0.3
DLS-20
400
100
50
400
160
200
0.20
0.70
200
100
1000
580
725
1.00
1.2
0.20
0.60
0.4
20 sq
5
25
5
25
-20 ~
+80
DLS-10
-10 ~
+60
Two-Dimensional Series, Ceramic Package § (VBIAS=-5V)
36 / Ceramic
100
10 sq
100
0.3
DL-20C
400
500
5000
175
375
0.4
20 sq
200
2000
12000
600
1500
1.00
1.0
-20 ~
+80
DL-10C
-10 ~
+60
Two-Dimensional Series, Low-Cost Ceramic Package (VBIAS=-5V)
38 / Ceramic
39 / Ceramic
† The position temperature drift specifications are for the die mounted on a copper plate without a window and the beam at the electrical center of the sensing area.
§ The DLS Series are packaged with A/R coated windows and have a lower dark current than the DL series.
¶ For mechanical drawings please refer to pages 61 thru 73.
* Non-Condensing temperature and Storage Range, Non-Condensing Environment.
NOTES:
1. DL(S) series are available with removable windows.
2. Chip centering within ± 0.010".
« Minimum order quantities apply
World Class Products - Light Sensing Solutions
51
Photodiode Care and Handling Instructions
AVOID DIRECT LIGHT
Since the spectral response of silicon photodiode includes the visible light region, care must be taken to avoid photodiode exposure to
high ambient light levels, particularly from tungsten sources or sunlight. During shipment from OSI Optoelectronics, your photodiodes are
packaged in opaque, padded containers to avoid ambient light exposure and damage due to shock from dropping or jarring.
AVOID SHARP PHYSICAL SHOCK
Photodiodes can be rendered inoperable if dropped or sharply jarred. The wire bonds are delicate and can become separated from the
photodiode’s bonding pads when the detector is dropped or otherwise receives a sharp physical blow.
CLEAN WINDOWS WITH OPTICAL GRADE CLOTH / TISSUE
Most windows on OSI Optoelectronics photodiodes are either silicon or quartz. They should be cleaned with isopropyl alcohol and a soft
(optical grade) pad.
OBSERVE STORAGE TEMPERATURES AND HUMIDITY LEVELS
Photodiode exposure to extreme high or low storage temperatures can affect the subsequent performance of a silicon photodiode. Storage
temperature guidelines are presented in the photodiode performance specifications of this catalog. Please maintain a non-condensing
environment for optimum performance and lifetime.
OBSERVE ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS
OSI Optoelectronics photodiodes, especially with IC devices (e.g. Photops) are considered ESD sensitive. The photodiodes are shipped in
ESD protective packaging. When unpacking and using these products, anti-ESD precautions should be observed.
DO NOT EXPOSE PHOTODIODES TO HARSH CHEMICALS
Photodiode packages and/or operation may be impaired if exposed to CHLOROTHENE, THINNER, ACETONE, or TRICHLOROETHYLENE.
INSTALL WITH CARE
Most photodiodes in this catalog are provided with wire or pin leads for installation in circuit boards or sockets. Observe the soldering
temperatures and conditions specified below:
Soldering Iron:
Soldering 30 W or less
Temperature at tip of iron 300°C or lower.
Dip Soldering:
Bath Temperature:
Immersion Time:
Soldering Time:
Vapor Phase Soldering:
DO NOT USE
Reflow Soldering:
DO NOT USE
260±5°C.
within 5 Sec.
within 3 Sec.
Photodiodes in plastic packages should be given special care. Clear plastic packages are more sensitive to environmental stress than those
of black plastic. Storing devices in high humidity can present problems when soldering. Since the rapid heating during soldering stresses
the wire bonds and can cause wire to bonding pad separation, it is recommended that devices in plastic packages to be baked for 24 hours
at 85°C.
The leads on the photodiode SHOULD NOT BE FORMED. If your application requires lead spacing modification, please contact OSI
Optoelectronics Applications group at (310)978-0516 before forming a product’s leads. Product warranties could be voided.
*Most of our standard catalog products are RoHS Compliant. Please contact us for details
World Class Products - Light Sensing Solutions
59
A
a
B
c
=
=
=
=
Distance from top of chip to top of glass.
Photodiode Anode.
Distance from top of glass to bottom of case.
Photodiode Cathode
(Note: cathode is common to case in metal package products unless otherwise noted).
W = Window Diameter.
F.O.V. = Filed of View (see definition below).
2. Dimensions are in inches (1 inch = 25.4 mm).
3. Pin diameters are 0.018 ± 0.002" unless otherwise specified.
4. Tolerances (unless otherwise noted)
General: 0.XX ±0.01"
0.XXX ±0.005"
Chip Centering: ±0.010"
Dimension ‘A’: ±0.015"
5. Windows
All ‘UV’ Enhanced products are provided with QUARTZ glass windows,
0.027 ± 0.002" thick.
All ‘XUV’ products are provided with removable windows.
All ‘DLS’ PSD products are provided with A/R coated glass windows.
All ‘FIL’ photoconductive and photovoltaic products are epoxy filled
instead of glass windows.
Mechanical Drawings
Mechanical Specifications and Die Topography
1. Parameter Definitions:
For Further Assistance
Please Call One of Our Experienced
Sales and Applications Engineers
310-978-0516
- Or visit our website at
www.osioptoelectronics.com
61
Mechanical Specifications
All units in inches. Pinouts are bottom view.
10
Low Profile
11
1.000
0.975
BNC
12
Products:
Products:
PIN-10DI
PIN-10DPI
PIN-10DPI/SB
UV-50L
UV-100L
PIN-10D
PIN-10DP
PIN-10DP/SB
UV-50
UV-100
UV-100DQ
UV-100EQ
PIN-25D
PIN-25DP
0.975
0.695
(W)
0.695
(W)
0.125
0.195
BNC
Products:
1.675
1.302
(W)
0.175
0.092
0.252
0.100
0.560
0.750
0.560
0.630
0.470
0.470
1
2
Outer Contact — Anode
3
Pin Circle Dia.=0.73
Outer Contact — Anode
PIN-10D, PIN-10DP, PIN-10DP/SB
UV-100DQ, UV-100EQ
Outer Contact — Cathode
UV-50, UV-100
1a
2c
3 Case
13
Special BNC
14
TO-5
15
Products:
Special Plastic
Products:
PIN-10AP
PIN-10DF
Products:
FIL-UV50
DLS-2S
0.360
0.325
1.230
0.240
B
FILTER CAP
0.750
0.575
(W)
0.180
0.086
A
B
0.200
0.500
0.100
0.018
1
A
2
3
4
0.675
C
1.230
0.700
(W)
8
C
7
6
1.000
5
A
A
B
Pin Circle Dia.= 0.200
Bottom View
C
Dimensions
P/N
FIL-UV50
Dimensions
A
B
0.090
0.155
Pinouts
P/N
A
B
C
PIN-10DF
0.217
0.330
1.020
PIN-10AP
0.386
0.550
1.415
P/N
FIL-UV50
1
2
3
4
5
6
7
8
c
-
-
a
c
-
-
a
World Class Products - Light Sensing Solutions
63
Mechanical Specifications
All units in inches. Pinouts are bottom view.
0.255
World Class Products - Light Sensing Solutions
67
Mechanical Specifications
All units in inches. Pinouts are bottom view.
SC-4D
SL3-1
SPOT-2D
SPOT-3D
SPOT-4D
SPOT-4DMI
QD7-0
SPOT-2DMI
QD7-0
0.050
0.130
SL5-1
0.230
QD7-0
SPOT-9D
SPOT-9DMI
68
SC-10D
SC-25D
Mechanical Specifications
All units in inches.
World Class Products - Light Sensing Solutions
69
Mechanical Specifications
All units in inches. Pinouts are bottom view.
51
Low Cost Ceramic
52
Special
53
Special
Products:
Products:
Products:
SL-30
A2V-76
A2V-16
2.000
1.018
1.735
A
B
C
Two Rows of Pins
Even Numbered Pins these Rows
0.590
0.910
0.385
0.316
76 Element Array
Two Rows of Pins
Odd Numbered Pins these Rows
C
A
1.600
Circular Hole
0.128 Dia.
0.075
0.375
0.280
C
0.600
0.020
A
Ellipse
0.151 X 0.128
0.030
0.115
E
D
F
0.310
1.400
0.018
0.100 Typ.
P/N
A2V-16
Pin Diameter = 0.025
54
40-PIN-DIP
55
A5C-35, A5C-38
A5V-35, A5V-38
A5V-35UV
2.095
40
22
21
40
39
38
2.000
35 or 38
19
20
3
2
1
1
70
C
2
2
0.82 DIA.
WINDOW
1.09 DIA.
0.180
35 Element Array
1
Products:
OSD100-0A
OSD100-5TA
0.110
0.05
RED DOT
INDICATES
CATHODE
LEAD
0.100
0.20
0.11 NOM.
0.45 MIN.
0.039 DIA.
38 Element Array
Element
Number
Pin
Number
Element
Number
Pin
Number
Element
Number
21
C
1
C
21
C
22
35
2
2
22
37
35
3
4
23
33
3
4
23
4
6
24
31
4
6
24
33
5
8
25
29
5
8
25
31
6
10
26
27
6
10
26
29
7
12
27
25
7
12
27
27
8
14
28
23
8
14
28
25
9
16
29
21
9
16
29
23
10
18
30
19
10
18
30
21
11
--
31
17
11
20
31
19
12
20
32
15
12
22
32
17
13
22
33
13
13
24
33
15
14
24
34
11
14
26
34
13
15
26
35
9
15
28
35
11
16
28
36
7
16
30
36
9
17
30
37
5
17
32
37
7
18
32
38
3
18
34
38
5
19
34
39
1
19
36
39
3
20
C
40
C
20
38
40
1
F
0.06
A5V-35UV
A5C-35
A5C-38
A5V-35
A5V-38
0.28
0.225
E
0.062
Special
20
0.105 0.130
Pin
Number
D
0.2
Products:
0.600
Array Elements
Element
Number
Dimensions
B
C
0.1
0.212
A
1
21
0.790
Pin
Number
0.787
67 71 75
0.75
DIA.
1.25
DIA.
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