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參數(shù)資料
| 型號(hào)： | AEAS-7000-1GSG0 |
| 英文描述： | Plug and Play Ultra-Precision Absolute Encoder 16-bit Gray Code |
| 中文描述： | 即插即用超精密絕對(duì)編碼器的16位格雷碼 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 147K |
| 代理商： | AEAS-7000-1GSG0 |
Agilent AEAS-7000
Plug and Play Ultra-Precision
Absolute Encoder 16-bit Gray Code
Data Sheet
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.
Features
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.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AEAS-71AC-HACAB | 制造商:Avago Technologies 功能描述:ABSOLUTE ENCODER - Bulk |
| AEAS-71AC-HACBB | 制造商:Avago Technologies 功能描述:ABSOLUTE ENCODER - Bulk |
| AEAS-71AC-HGCAB | 制造商:Avago Technologies 功能描述:ABSOLUTE ENCODER - Bulk |
| AEAS-71AC-HGCBB | 制造商:Avago Technologies 功能描述:ABSOLUTE ENCODER - Bulk |
| AEAS-71AC-HGPAB | 制造商:Avago Technologies 功能描述:ABSOLUTE ENCODER - Bulk |
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