AEDR-8400-142 Avago Technologies US Inc., AEDR-8400-142 Datasheet - Page 4

• Manufacturer Part Number: AEDR-8400-142
• Description: 2CH, 318LPI, REF EN, 2.8V, TR
• Manufacturer: Avago Technologies US Inc.
• Series: -r
• Type: Optical Encoderr

Specifications of AEDR-8400-142

• Mounting Style: SMD/SMT
• Sensing Distance: 0.017" (0.43mm)
• Sensing Method: Reflective
• Sensing Object: Codewheel/Codestrip
• Output Configuration: -
• Sensing Light: -
• Mounting Type: Surface Mount
• Current - Supply: 6mA
• Voltage - Supply: 2.6 V ~ 3 V
• Package / Case: 3.00mm L x 3.28mm W x 1.28mm H
• Features: Compact Model
• Detents: No
• Motion: Linear
• Number Of Channels: 2
• Index Output: Not Indexed
• Encoder Signal: Digital Square Wave
• Built In Switch: No
• Shaft Style: Not Required
• Shaft Diameter (mm): Not Requiredmm
• Operating Supply Voltage (typ): 2.8VDC
• Operating Temperature Min Deg. C: -20C
• Operating Temperature Max Deg. C: 85C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Recommended Codewheel and Codestrip Characteristics
Encoding Characteristics
Encoding characteristics over the recommended operating condition and mounting conditions.
Note:
1. Typical values represent the encoder performance at typical mounting alignment, whereas the maximum values represent the encoder perfor-
Electrical Characteristics
Characteristics over recommended operating conditions at 25°C.
Notes:
1. Measurements from SMS µScan System. Contact factory for more information.
2. Contact factory for more information on compatibility of codewheel/strip.
4
Parameter
Pulse Width Error (Channel A)
Pulse Width Error (Channel B)
Phase Error
Parameter
Detector Supply Current
High Level Output Voltage
Low Level Output Voltage
Rise Time
Fall Time
Window/bar Ratio
Window/bar Length
Specular Reflectance
Line Density
Optical radius
Parameter
mance across the range of recommended mounting tolerance.
Ww/Wb
L
R
LPmm (LPI)
Rop
Symbol
W
f
Symbol
Icc
V
V
t
t
r
f
OH
OL
Symbol
∆P
∆P
∆φ
0.9
1.80 (0.071)
60
-
10 (254)
12.5 (318)
11
Min.
W
L
W
W
, Reflective area
Min.
2.4
Codestrip
Typical
10
11
7
1.1
2.31 (0.091)
-
10
-
Max.
Typ.
6.0
400
120
W
Maximum
75
80
60
b
, Non-reflective area
Max.
7.0
0.4
mm (inches)
lines/mm (inch)
mm
Unit
Unit
mA
V
V
ns
ns
Unit
°e
°e
°e
W
W
= W
Notes
I
I
C
R
OH
OL
Reflective area.
See note 1.
Non reflective area
Recommended
Rop=11.0mm
Notes
L
L
= 2.7kΩ
= 25pF
= 8.0mA
= -0.2mA
B
= 50µm (254LPI)
= 40µm (318LPI)