iC-LNG oQFN38-7x5 LNG1R

Features

• Position value of up to 16 bits through 6-bit interpolation
• Quadrature signals with 1024, 2048, 4096, 8192, 16 384 CPR
• SPI interface for configuration and position data output
• Index signal in phase with B low
• Excellent matching and technical reliability thanks to system-on-chip design with integrated photodiodes
• Gray code scanning (11 digital tracks pitched at 400 µm)
• Sine/cosine analog track with electronic calibration
• Diff. sine/cosine outputs with 1024 CPR (amplitude: 500 mV)
• 14-bit parallel position data output
• Serial data readout in 1 µs cycles at 16 MHz clock frequency
• 3.3 V-compatible SPI and I/O ports
• LED current control for a constant receive power (50 mA 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 of -40 °C to 110 °C
• Small outline, 30-pin optoBGA package for SMT
• Illumination: iC-SN85 BLCC SN1C (850 nm encoder LED)
• Code discs:
  • LNG1S 42-1024 (1024 PPR, Ø 42 mm/18 mm)
  • LNG2S 25-512 (512 PPR, Ø 24.8 mm/2 mm)

Applications

• Optical position sensors
• Absolute, incremental, and parallel encoders
• Motor feedback systems
• Linear scales