Optical Position Encoder

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  • iC-LGC

    21-Bit Optical Position Encoder with Serial/Parallel and Sin/Cos Output – BiSS C.

    Features

    System-on-chip design with integrated photosensors.
    Excellent matching and reliability.
    Differential scanning for EMI immunity and operation up to 125 °C.
    Enlarged assembly tolerance due to pre-positioned and post-positioned code scanning.
    13 digital tracks pitched at just 500 μm.
    2 sine/cosine tracks with analog signal conditioning.
    Singleturn resolution of 16 to 21 bits by 3-bit flash or 8-bit S&H ADC.
    Multiturn data processing via 2-pin A/B or SSI interface, embedded low power counter for battery supply.
    LED power control with a 50 mA highside driver.
    Adjustable temperature sensor with min/max alarm.
    Operational monitoring and alarm/warning messaging: missing code step, disc data error, configuration error, LED end-of-life, out-of-range temperature.
    Safety features: CRC-protected setup with verification.
    CRC-protected data output with life counter.
    Operating modes: hardware encoder (up to 16 bits), serial encoder (SSI, BiSS C), parallel encoder (8-bit parallel µC).
    4 to 5.5 V single supply operation, low power consumption.
    Small-outline optoBGA or BLCC package for SMT.
    Available accessories: LED lamps and code discs.
    Options: extended temperature range of -40 to +125 °C, customised COB modules, customised code designs.

    Datsheet

    iC-LGC Datasheet
     
    Manufacturer: iCHaus GmbH
     
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  • iC-LNG

    16-Bit Optical Encoder with SPI and Serial/Parallel Outputs.

    Features

    Excellent matching and technical reliability thanks to system-on-chip design with integrated photodiodes.
    Gray code scanning (11 digital tracks pitched at 400µm).
    Sine/cosine analog track with electronic calibration.
    Diff. sine/cosine outputs with 1024 CPR (amplitude: 500V).
    Position value of up to 16-bits through 6-bit interpolation.
    Quadrature signals with 1024, 2048, 4096, 8192, 16384 CPR.
    Index signal in phase with B low.
    14-bit parallel position data output.
    Serial data readout in 1µs cycles at 16MHz clock frequency.
    SPI interface for configuration and position data output.
    3.3V-compatible SPI and I/O ports.
    LED current control for a constant receive power (50mA highside driver, sin2+cos2 or sum).
    Permanent parity monitoring of the internal RAM bits.
    Alarm for configuration and illumination errors (end of life).
    Temperature range from -40°C to 110°C.
    Small outline, 30-pin optoBGA package for SMT.
    Illumination: iC-SN85 BLCC SN1C (850nm encoder LED).

    Datasheets

    iC-LNG Datasheet
    Demo Board LNG2M Datasheet
    Code Disk LNG1RS 42-1024 Datasheet
     
    Manufacturer: iCHaus GmbH
     
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