Datasheet

Specifi cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specifi c applications.
3312 - 2 mm SMD Trimming Potentiometer EM14 - 14 mm Rotary Optical Encoder w/Switch
Electrical Block Diagram
REV. 10/13
Opto
ASIC
Ground
IRED
10k
10k
Channel A
Switch Terminal
Switch Terminal
Power
Channel B
–
A
1
2
+
B
Quadrature Output
CHANNEL A
CW
CHANNEL B
CHANNEL A Low
Low
Detent Range
1. Nominal detent position occurs when both Channel A and B are in
low states.
2. Channel A leads Channel B in CW direction and lags in CCW
direction.
Nominal Detent
Position
High
High
CHANNEL B
CW
32 DETENT / 8 PPR
32 DETENT / 32 PPR
CHANNEL A
90 °e ± 45 °e
CHANNEL B
High
Low
High
Low
CW
180 °e
1 pulse width
Terminal Diagram
A12+B
GROUND
MOMENTARY SWITCH
POWER
CHANNEL "A"
CHANNEL "B"
1.27
(.050)
TYP.
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