iC-ML
HALL Position Sensor / Encoder
Rev A3, Page 1/17
FEATURES
o
Linear Hall sensor array for magnetic pole pitch of 2.56 mm
o
Non-sensitive to magnetic stray fields due to differential
measurement technique
o
Interpolator with 8-bit linear resolution of 20 µm
o
Linear speed up to 5 m/s
o
Buffered I/O stages for signal outputs
o
Configuration inputs for operating mode selection
o
Analog operation modes:
- sine/cosine signals controlled to 2 Vpp
- triange or sawtooth signal with selectable amplitude
o
Digital operation modes:
- A/B quadrature signals with Z index pulse
- Counter pulses for external binary counters
o
Cascading of multiple iC-ML possible for chain operation
(Evaluation of independent scales x, y, z)
o
Error signal output for detection of low magnetic field strength
o
Additional operating modes with reduced power consumption
o
Standby modus when not enabled
o
Extended temperature range of -40...+125 °C
APPLICATIONS
o
o
o
o
o
o
o
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Analog and digital linear sensors
Incremental linear encoders
Pole wheel sensing
Potentiometer replacement
Contactless slider/switch
Commutation of linear motor
Absolute displacement sensing
Liquid level meter
PACKAGES
VDD
CFG3
C
CFG1
D
NEN
A
GND
CFG2
B
TSSOP20
Die-Size
4.4 mm x 1.9 mm
BLOCK DIAGRAM
VDD
VDD
CFG1
SIN
SIN
I/O
DIG
8 BIT
AMP
I/O
A
VDD
COS
CFG2
HALL SENSOR
GAIN
VDD
B
CFG3
SIN +COS
GAIN CONTROL
2
2
iC-ML
REFH
VPHI
C
I/O
D
NEN
VDD
I/O
VREF
MODE
SELECT
BIAS
AMPLITUDE
ERROR
CONTROL
GND
DIG/R
REFL
INTERFACE
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ICHAUS [ IC-HAUS GMBH ]
