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AEDS-962 Datasheet(PDF) 3 Page - Agilent(Hewlett-Packard)

Part No. AEDS-962
Description  300 LPI Ultra Small Optical Encoder Modules
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Manufacturer  HP [Agilent(Hewlett-Packard)]
Direct Link  http://www.home.agilent.com
Logo HP - Agilent(Hewlett-Packard)

AEDS-962 Datasheet(HTML) 3 Page - Agilent(Hewlett-Packard)

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3
Recommended Operating Conditions
Parameter
Symbol
Min.
Typ.
Max.
Units
Notes
Temperature
TA
025
70
˚C
Supply Voltage (Detector)
VCC
2.8
3.3
5.2
V
Ripple < 100 mV p-p
Load Capacitance
CL
none
100
pF
Pullup Resistor
RPULL
none
k
Recommend no pullup. Device has
integrated 2.2 K
Ω on outputs.
Count Frequency
f
40
kHz
Velocity (rpm) x N/60
Angular Misalignment Error
EA
–3.0
0.0
+3.0
deg.
Mounting Considerations
Mounting Position
RM
ROP – 2.4
mm
*Refer to Mounting Considerations
(ROP – 0.095")
(inch)
DC Forward Current (LED)
ILED
10
16
20
Recommended 110
Ω (±10%)
@ VCC = 3.3 V
series resistor between 3.3 V
supply and VLED.
Electrical Characteristics
Electrical Characteristics over Recommended Operating Range, Typical at 25˚C.
Parameter
Symbol
Min.
Typ. @ 3.3 V
Max.
Units
Notes
Supply Current
ICC
23
5
mA
(Detector)
High Level Output
VOH
2.4
3
3.6
V
When VOH = 2.4 (min.)
Voltage
Typical IOH = –0.4 mA @ 3.3 V
Low Level Output
VOL
0.4
V
When VOL = 0.4 (min.)
Voltage
Typical IOH = 13 mA @ 3.3 V
Rise Time
tr
200
ns
CL = 25 pF, RL = 11 kΩ
Fall Time
tf
50
ns
LED Forward Voltage
VF
1.52
1.54
V
Note: Refer to Figure 2 for output waveform on tr and tf.
Encoding Characteristics
Encoding Characteristics Over the Recommended Operating Conditions and Mounting Conditions.
These characteristics do not include codewheel/codestrip contribution. The typical values are averages over
the full rotation of the codewheel.
Parameter
Symbol
Typical
Maximum
Units
Pulse Width Error
∆P
4
40
˚e
Logic State Width Error
∆S
5
40
˚e
Phase Error
∆φ
415
˚e
Note: Recommended no pullup. Device has integrated 2.2 k
Ω pullup resistor on Channel A & Channel B outputs.


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