Sin/Cos Interpolator
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iC-TW28
10-Bit Sin/Cos Interpolator with Auto-Calibration.Features
Differential PGA inputs for sine, cosine, and index.700 kHz input frequency at full resolution.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.Datasheets
Manufacturer: iCHaus GmbH -
iC-TW8
16-Bit Sin/Cos Interpolator with Auto-Calibration.Features
Input frequency of up to 125kHz.Differential sine/cosine input signal range of 20mV to 1.4V peak-peak.Fractional interpolation factor edged per period of [8…65536] / [1…32].Automatic offset, amplitude and phase correction.Simple automatic one-pin calibration.<Easy configuration: by static pins (for generic ABZ output).Advanced configuration: 1-wire interface, 3 and 4-wire SPI (32MHz), EEPROM (SPI or I2C).Supply voltage range of 3.1V to 5.5V.PWM or ABZ quadrature encoder output signals.Incremental ABZ output to 8MHz (32MHz edge separation).Position and velocity read-out (32bit SPI).Sophisticated error handling and signal monitoring.Static 64 position LUT to compensate for arbitrary sensor distortions.Extended temperature range of -40 to +125 °C.Datasheets
Manufacturer: iCHaus GmbH