Specifications 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 specific applications.

3312 - 2 mm SMD Trimming Potentiometer

EM14 - 14 mm Rotary Optical Encoder w/Switch

Electrical Block Diagram

REV. 07/13

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

A1 2 + B

GROUND

MOMENTARY SWITCH

POWER

CHANNEL "A"

CHANNEL "B"

1.27

(.050)

TYP.

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