iC-NQC
preliminar y
Rev B1, Page 1/29
13-bit Sin/D CONVERTER WITH SIGNAL CALIBRATION
FEATURES
o
Resolution of up to 8,192 angle steps per sine period
o
Binary and decimal resolution settings, e.g. 500, 512, 1000,
1024; programmable angle hysteresis
o
Count-safe vector follower principle, real-time system with
70 MHz sampling rate
o
Conversion time of just 250 ns including amplifier settling
o
Direct sensor connection; selectable input gain
o
Input frequency of up to 250 kHz
o
Signal conditioning for offset, amplitude and phase
o
A/B quadrature signals of up to 2 MHz with adjustable
minimum transition distance
o
Zero signal processing, adjustable in index position and width
o
Absolute angle output via fast serial interface (BiSS, SSI)
o
Permanent bidirectional memory access to parameters and
OEM data by BiSS C
o
Period counting with up to 24 bits
o
Error monitoring of frequency, amplitude and configuration
o
Device setup from serial EEPROM or using BiSS
o
ESD protection and TTL-/CMOS-compatible outputs
APPLICATIONS
o
Interpolator IC for angle
resolution from sine/cosine
sensor signals
o
Optical encoders
o
MR sensor systems
PACKAGES
TSSOP20
BLOCK DIAGRAM
Copyright © 2010 iC-Haus
ICHAUS [ IC-HAUS GMBH ]
