iC-LNG
16-BIT OPTO ENCODER
preliminar y
Rev A1, Page 1/25
WITH SPI AND SERIAL / PARALLEL OUTPUTS
FEATURES
o
Excellent matching and technical reliability thanks to
system-on-chip design with integrated photodiodes
o
Gray code scanning (11 digital tracks pitched at 400 µm)
o
Sine/cosine analog track with electronic calibration
o
Diff. sine/cosine outputs with 1024 CPR (amplitude: 500 mV)
o
Position value of up to 16 bits through 6-bit interpolation
o
Quadrature signals with 1024, 2048, 4096, 8192, 16384 CPR
o
Index signal in phase with B low
o
14-bit parallel position data output
o
Serial data readout in 1 µs cycles at 16 MHz clock frequency
o
SPI interface for configuration and position data output
o
3.3 V-compatible SPI and I/O ports
o
LED current control for a constant receive power
(50 mA highside driver, sin
2
+cos
2
or sum)
o
Permanent parity monitoring of the internal RAM bits
o
Alarm for configuration and illumination errors (end of life)
o
Temperature range from -40°C to 110°C
o
Small outline, 30-pin optoBGA package for SMT
o
Illumination: iC-SN85 BLCC SN1C (850 nm encoder LED)
o
Code discs:
LNG1S 42-1024 (1024 PPR,
∅
42 mm/18 mm),
LNG2S 25-512 (512 PPR,
∅
24.8 mm/2 mm)
APPLICATIONS
o
Optical position sensors
o
Linear scales
o
Absolute, incremental, and
parallel encoders
o
Motor feedback systems
PACKAGES
30-Pin optoBGA
7.6 mm x 7.1 mm x 1.7 mm
BLOCK DIAGRAM
Copyright © 2011 iC-Haus
ICHAUS [ IC-HAUS GMBH ]
