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OL5003 Datasheet Download - OPTOLAB

Номер произв OL5003
Описание 3 Channel Incremental Encoder Sensor
Производители OPTOLAB
логотип OPTOLAB логотип 

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OL5003 Даташит, Описание, Даташиты
OL 5003
3 Channel Incremental Encoder Sensor with adjustable phase angle
Features
Surface mountable
TTL compatible output
Wide supply voltage range
Also available with mounted reticle
Absolute Maximum Ratings
TA = 25 ºC unless otherwise noted)
Storage Temperature
Operating Temperature
Supply Voltage
Output Voltage
Output Current
Power Dissipation
Soldering Temperature
(Vapor Phase Reflow for 30 sec.)
-55 ºC to +125 ºC
-20ºC to 80ºC
24.0 V
24.0 V
14.0 mA
500.0 mW
235 ºC
Description
The OL5003 is a hybrid sensor consisting of three channels. This differential optical comparator IC is
specfically designed for high speed / high resolution encoder applications. The open collector output switches
based on the comparison of input photodiode’s light current levels. Logarithmic amplification of the input signals
makes possible operation over a wide range of light levels.
The package is surface mountable with two alignment holes and made from a custom, opaque Polyimide which
shields the active devices from stray light. The high temperature laminate can withstand multiple exposures to
the most demanding soldering conditions. Wrap around contacts are gold plated for exceptional storage and
wetting characteristics.
Electrical Characteristics
(TA = 25 ºC unless otherwise noted)
Parameters
Symbol
Supply Voltage
Supply Current
Low Level Output Voltage
High Level Output Current
Optical Hysteresis
VDD
ICC
VOL
IOH
OPT-HYS
Optical Offset
OPT-OFF
Frequency Response
Output Rise Time
fMAX
tLH
Output Fall Time
tHL
Min.
4,75
2.0
-40.0
Typ.
9.0
0.3
0.1
15.0
10.0
100.0
1.0
300.0
Max.
24
20.0
0.4
1.0
40.0
+40.0
600.0
Units
V
mA
V
µA
%
%
kHz
µs
ns
Test Conditions
VCC = 24.0 V
IOL = 14.0 mA, VCC = 4.5 V
VCC = V0 = 20.0 V
VCC = 5.0 V, Iol = 1.0 mA
VCC = 5.0 V, Iol = 1.0 mA
VCC = 5.0 V,
R1 = 100.0 O
C1 = 50.0 pF
Notes
1
2
3
4, 7
4, 7
5
6
Notes
1. Pin (+) = 1.2 µW and Pin (-) = 0.8 µW.
2. Pin (+) = 100.0 nW and Pin (-) = 1.0 µW.
3. Pin (+) = 1.0 µW and Pin (-) 100.0 nW.
4. Pin (-) held at 1.0 µW while Pin (+) is ramped from 0.5 µW to 1.5 µW and back to 0.5 µW.
5. Pin (+) modulated from 1.0 µW to 2.0 µW. Pin (-) modulated from 1.0 µW to 2.0 µW with phase shifted 180º with respect
to Pin (+). Use 100 ktrimpot to set the output signal to 50% duty cycle for maximum operating frequency.
6. Measured between 10% and 90% points.
OPTOLAB Microsystems GmbH, Haarbergstr. 61, 99097 Erfurt / Germany, Tel.: ++49-361-422 906-0, Fax ++49-361-422 906 50
We reserve the right to make technical changes at any time without prior notice.
More detailed technical information can be supplied upon request.







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OL5003 Даташит, Описание, Даташиты
OL 5003
3 Channel Incremental Encoder Sensor with adjustable phase angle
7. Optical Hysteresis and Optical offset are found by placing 1.0 µW of light on the inverting photodiode and ramping the
light intensity of the noninverting input from .5 µW up to 1.5 µW and back down. This will produce two trigger points, an
upper trigger point and lower trigger point. These points are used to calculate the optical hysteresis and offset.
These are defined as:
Optical Hysteresis[%] = 100 × (Prise Pfall)
Pin()
Optical Offset [%] = 100 × (Paverage Pin() )
Pin ( )
Where:
P in (-) = Light level incident upon the "-" photodiode on the I.C. chip (Pin(-) = 1.0 µW).
P rise = Value of light power level incident upon the "+" photodiode that is required to switch the digital output
when the light level is an increasing level (rising edge).
P fall = Value of light power level incident upon the "+" photodiode that is required to switch the digital output
when the light level is a decreasing level (falling edge).
Paverage
=
Prise
+
2
Pfall
Notes
1. A capacitance of a value between 0.001 to 0.01 µF connected as close as possible to the trim terminals is
recommended if the device appears to the susceptable to noise transients. It is left to the user to determine
the best value for the application.
2. The OL7272 is recommended as a means of isolating the „DOC“ comparitor circuitry from transients induced
by inductive and capacitive loads.
3. It is recommended that a decoupling capacitor be placed as close as possible to the device.
Application Circuit
OPTOLAB Microsystems GmbH, Haarbergstr. 61, 99097 Erfurt / Germany, Tel.: ++49-361-422 906-0, Fax ++49-361-422 906 50
We reserve the right to make technical changes at any time without prior notice.
More detailed technical information can be supplied upon request.







No Preview Available !

OL5003 Даташит, Описание, Даташиты
OL 5003
3 Channel Incremental Encoder Sensor with adjustable phase angle
OPTOLAB Microsystems GmbH, Haarbergstr. 61, 99097 Erfurt / Germany, Tel.: ++49-361-422 906-0, Fax ++49-361-422 906 50
We reserve the right to make technical changes at any time without prior notice.
More detailed technical information can be supplied upon request.










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