iC-NQL
13-bit Sin/D CONVERTER WITH SSI INTERFACE
Rev D2, Page 1/24
FEATURES
o
Resolution of up to 8192 angle steps per sine/cosine period
o
Binary and decimal resolution settings, e.g. 500, 512, 1000,
1024; programmable angle hysteresis
o
Conversion time of just 250 ns including amplifier settling
o
Count-safe vector follower principle, realtime system with
70 MHz sampling rate
o
Direct sensor connection; selectable input gain
o
Front-end signal conditioning features offset (8 bit), amplitude
ratio (5 bit) and phase (6 bit) calibration
o
250 kHz input frequency
o
Absolute angle output via fast SSI interface
o
A QUAD B incremental outputs with selectable minimum
transition distance (e.g. 0.25 µs for 1 MHz at A)
o
Index signal processing adjustable in position and width
o
Fault monitoring: frequency, amplitude, configuration (CRC)
o
Setup via serial EEPROM
o
ESD protection and TTL-/CMOS-compatible outputs
APPLICATIONS
o
Interpolator IC for position data
acquisition from analog
sine/cosine sensors
o
Optical linear/rotary encoders
o
MR sensor systems
PACKAGES
TSSOP20
BLOCK DIAGRAM
Copyright © 2004, 2011 iC-Haus
ICHAUS [ IC-HAUS GMBH ]
