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ET2015 - INTERPOLATION DEVICE

General Description

This ET2015 is a monolithic bipolar integrated circuit designed to facilitate increased resolution in optical encoder applications by converting the incoming sine and cosine signals to an interpolated quadrature digital output at 1 or 5 times the input frequency.

Please refer to the Timing Diagram.

Key Features

  • Interpolation factor pin selectable (1X/5X).
  • Index gating pin selectable (90/180 electrical degrees of interpolated pulse).
  • Leading edge of gated index pulse occurs at 270 electrical degrees of analog input cycle, regardless of interpolation factor selected.
  • Interfaces directly with ET2010 Analog Signal Processor and ET7272 Line Driver.
  • Single supply operation.
  • Handles Sine/Cosine inputs from DC to 125KHz.
  • Sine/Cosine input voltage.

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Datasheet Details

Part number ET2015
Manufacturer ETIC
File Size 113.61 KB
Description INTERPOLATION DEVICE
Datasheet download datasheet ET2015 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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INTERPOLATION DEVICE (Interpolation factors of 1X or 5X) ET2015 FEATURES • Interpolation factor pin selectable (1X/5X) • Index gating pin selectable (90/180 electrical degrees of interpolated pulse) • Leading edge of gated index pulse occurs at 270 electrical degrees of analog input cycle, regardless of interpolation factor selected • Interfaces directly with ET2010 Analog Signal Processor and ET7272 Line Driver • Single supply operation • Handles Sine/Cosine inputs from DC to 125KHz • Sine/Cosine input voltage range 400mVpp to 4Vpp on 2.