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Interpolation Circuit GC-IP1000

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The interpolation circuit GC-IP1000B is intended for connection to incremental position and angle measuring systems with sinusoidal output signals phase-shifted by 90 °. The extremely high resolution is achieved with an interpolation rate of up to 1000 times. The counter value is provided via the serial interface. At the same time, the output data can be output as square-wave pulses for external process processing. The GC-IP1000B can be operated on a large number of encoder systems that work according to the most varied of measuring principles. Various interfaces and flexible configuration types enable use in single-chip interpolation systems, in µC-based measuring devices as well as in multi-channel systems. A patented gain and offset control as well as a programmable phase correction guarantee a high measurement accuracy under industrial conditions. Thanks to the integrated measured value trigger, the GC-IP1000B is suitable for use in real-time applications.

 

Technical Data

Features

Analog input                                
3 channels differential: sine/cosine/reference signal
Standard connection 1Vpp (differential)
Input ranges: 100mVpp, 120mVpp, 145mVpp (differential)Single-ended input 2.0Vpp
Input frequency of up to 110kHz
AD-converter internal converter max. 340kS/s
Signal correction Automatic offset and amplitude controller
Digital potentiometer for phase
Interpolation rate    1000 / 800 / 500 / 400 / 250 / 200 / 125 /100
Output for measuring values
28-bit counting value
90° square-wave sequences or up/down counting pulses
Error signal
Configuration options Via configuration pins
Via serial interface (SPI)
Via EEPROM
Serial Interface (SPI) For configuration and measuring-value output
16-bit synchronous/asynchronous mode
Not required for minimum configurations
EEPROM Up to 8 configuration banks
For controller settings (gain / offset / phase)
In conjunction with SPI, for any user data
Not required for minimum configurations
Miscallenious Filter for suppressing edge noise at low speeds
Programmable interval time for adapting the IC to slower electronic evaluation equipment
Edge-controlled measuring-value trigger
Programmable response of the IC to sensor errors
Package TQFP64 10mm x 10mm x 1,4mm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 Downloads

Infosheet

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Datasheet

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Ordering information

 Produkt type
Description  Artikle number
 GC-IP1000B  Interpolation circuit GC-IP1000, TQFP64, RoHS
 PR-00055-01