iC-TW28 10 Low-latency sine / cosine interpolator with automatic calibration and Line Driver
Product pictures
Product introduction

Applications  

  • Rotary and linear encoders

  • Magnetic or optical sin/cos sensor interface

  • Brushless motor commutation (2...64 poles)

  • Imbedded motion control

 

Features       

  • Differential PGA inputs for sine, cosine, and index

  • Input frequency of up to 700 kHz

  • AB output frequency of up to 12.5 MHz

  • Automatic compensation of amplitude, offset, and phase errors

  • Low latency (typ. 1.5 μs)

  • Differential RS422 line driver outputs for ABZ or UVW

  • Simultaneous single-ended outputs for ABZ and UVW

  • Digital filtering for ultra-low output jitter

  • Complete status and fault monitoring capabilities

  • Configured by pins or SPI

  • In-field re-configuration via Encoder Link interface

  • Easy to use with built-in line driver, EEPROM, and oscillator

  • Push-button automatic calibration for fast commissioning

  • LED intensity control by PWM output

  • 10-bit angle data and 14-bit multi-cycle counter available to SPI

  • Capture register for coded reference marks and touch-probe applications

  • Space-saving 5 x 5mm QFN package

  • Single 3.3 V supply