date 08/05/2022

page 1 of 9

SERIES: AMT11A | DESCRIPTION: MODULAR INCREMENTAL ENCODER

cuidevices.com

ELECTRICAL

parameter

conditions/description

min

typ

max

units

power supply

VDD

4.5

5

5.5

V

start-up time1

200

ms

current consumption

with unloaded output

16

mA

single ended channels

output high level

output low level

output current (per channel)

rise/fall time

VDD-0.1

8

0.1

15

V

V

mA

ns

differential RS-422 channels

output high level

output low level

output current (per channel)

rise/fall time

3

7

11

0.1

25

20

V

V

mA

ns

Note:

1. Encoder must be stationary during start-up.

INCREMENTAL CHARACTERISTICS

parameter

conditions/description

min

typ

max

units

channels

CMOS Voltage (S)

Quadrature Line Driver (Q)

A, B

A, A, B, B

waveform

CMOS voltage square wave

phase difference

A leads B for CCW rotation (viewed from front)

quadrature resolutions2

96, 192, 200, 250, 384, 400, 500, 512

768, 800, 1000, 1024, 1600, 2000, 2048, 4096

PPR

accuracy

0.2

degrees

quadrature duty cycle (at each

resolution)

96, 192, 384

200, 250, 400, 768, 800

500, 1000, 1600

512, 1024 , 2048, 4096

2000

49

48

46

50

44

50

50

50

50

50

51

52

54

50

56

%

%

%

%

%

Notes:

2. Default resolution set to 4096 PPR. All resolutions are listed as pre-quadrature, meaning the final number of counts is PPR x 4.

FEATURES

• patented capacitive ASIC technology

• low power consumption

• incremental resolutions up to 4096 PPR

• differential line driver versions

• compact modular package with locking hub for ease of installation

• radial and axial cable connections

• 7 different mounting hole options

• -40~125°C operating temperature

¯

¯

Additional Resources: Product Page