iC-MHL200
preliminar y
Rev A1, Page 1/28
12-BIT LINEAR / ROTARY POSITION HALL ENCODER
FEATURES
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Realtime system for linear speed up to 8 m/s at full resolution
Absolute position within the magnetic period of 4 mm
12-bit interpolation w. 4096 increments, resolution better 1 µm
Automatic signal offset compensation
Automatic amplitude control for optimum operating point
Programmable features: interpolation factor, hysteresis,
minimum phase distance, zero position and code direction
Electronic index generation with multi-purpose enable input
RS422-compatible A/B/Z outputs for encoder quadrature
signals with up to 8 MHz edge rate
Serial I/O interface for high-speed data output (BiSS/SSI) and
configuration (BiSS)
Zener-Zap ROM for non-volatile setup and OEM data
Signal monitoring: loss of signal, excessive frequency
Single 5 V supply
Extended temperature range of -40 to +125 °C
APPLICATIONS
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Motion control
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Linear position encoders
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Incremental off-axis rotary
encoders
PACKAGES
TSSOP20
BLOCK DIAGRAM
+ 5V
VPA
GAIN
ENZ
+ 5V
VPD
A
B
B
B
B
B
CONVERSION
LOGIC
Z
HALL SENSORS
PTE
TEST
SIN + COS
2
2
SINE-TO-DIG
RS422
U
V
AMPLITUDE
CORRECTION
PHASE
SHIFT
NERR
W
INCR INTERFACE
ERROR MONITOR
AMPL CONTROL
SINE-TO-COM
MA
S LO
S LI
SERIAL
INTERFACE
iC-MHL200
0x00
0x0F
0x10
0x1F
0x77
0x7F
ZAP CONTROL
16 Byte ZROM
V Z AP
RAM
VNA
BIAS/VREF
VND
ZAPROM
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