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AEAS-7000-1GSD0

Description
SINGLE, 13 CHANNELS, ROTARY OPTICAL POSITION ENCODER
CategoryLED optoelectronic/LED   
File Size146KB,8 Pages
ManufacturerHP(Keysight)
Websitehttp://www.semiconductor.agilent.com/
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AEAS-7000-1GSD0 Overview

SINGLE, 13 CHANNELS, ROTARY OPTICAL POSITION ENCODER

AEAS-7000-1GSD0 Parametric

Parameter NameAttribute value
Maximum operating temperature85 Cel
Minimum operating temperature-25 Cel
Number of functions1
Lead-freeYes
EU RoHS regulationsYes
stateDISCONTINUED
terminal coatingNOT SPECIFIED
structuresingle, 13 channel
Optoelectronic device typerotate
Agilent AEAS-7000
Plug and Play Ultra-Precision
Absolute Encoder 16-bit Gray Code
Data Sheet
Features
Description
The encoder IC consists of 13
signal photo diode channels and
1 monitor photo diode channel
and is used for the optical
reading of rotary carriers (i.e.,
discs). The photodiodes are
accompanied with precision
amplifiers plus additional
circuitry.
The monitor channel is used to
drive a constant current source
for the highly collimated IR
illumination system.
Functional Description
Background
The 13 signal channels are set up
as:
1. Two precision defining signals
(A0, A09), which are two 90°
electrical shifted sine, cosine
signals. These signals are
conditioned to be compensated
for offset and gain errors.
After conditioning they are on
chip interpolated (4 bit) and
computed to an absolute 6 bit
Gray code. Additionally, these
Sin/Cos signals can be tapped
as two true-differential analog
outputs to be used at the
system designer’s choice.
• Minumum mechanical alignment
during installation
• 2 Sine/Cosine true differential
outputs with 1024 periods for unit
alignment
• Integrated highly collimated
illumination system
• 11 digital tracks plus 2 sin/cos
tracks generate precise 16 bit Gray
code
• Ultra fast, 1 µs cycle for serial data
output word equals 16 MHz
• On-chip interpolation and code
correction to compensate for
mounting tolerance
• MSB can be inverted for changing
the counting direction
• Internally built in monitor track for
tracking the light level
• Watch dog with alarm output
• –25°C to +85°C operating temp.
Applications
• Rotary application up to 16 bit/
360° absolute position
• Rotary application up to 11 bit user
defined code patterns
• Cost effective solution for direct
integration into OEM systems
2. 11 analog (A1-A11) channels
which are directly digitized
by precison comparators with
hysterisis tracking. The
digitized signals are called
D1-D11.
An internal correction and
synchronization module allows
the composition of a true 16 bit
gray code by merging the data
bits of 1) and 2) by still keeping
the code monotony.
There is a Gray code correction
feature for this encoder to
counter any codewheel
imperfection or misalignment.
This Gray code correction can
be disabled/enabled by the pin
KORR.
The gain and offset conditioning
value of the sine and cosine
wave has been on-chip preset
by factory. This will
compensate for mechanical
sensor misalignment error.

AEAS-7000-1GSD0 Related Products

AEAS-7000-1GSD0 AEAS-7000 AEAS-7000-1GSG0
Description SINGLE, 13 CHANNELS, ROTARY OPTICAL POSITION ENCODER SINGLE, 13 CHANNELS, ROTARY OPTICAL POSITION ENCODER SINGLE, 13 CHANNELS, ROTARY OPTICAL POSITION ENCODER
Maximum operating temperature 85 Cel 100 °C 85 °C
Minimum operating temperature -25 Cel -40 °C -25 °C
Number of functions 1 1 1
Maker - HP(Keysight) HP(Keysight)
Reach Compliance Code - unknown unknown
Configuration - SINGLE, 13 CHANNELS SINGLE, 13 CHANNELS
Optoelectronic device types - ROTARY/LINEAR POSITION ENCODER ROTARY POSITION ENCODER
Base Number Matches - 1 1
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