iC-RC1000
SIN/COS SIGNAL SAFETY MONITOR IC
preliminar y
Rev B1, Page 1/10
FEATURES
o
Sine/cosine encoder signal monitoring for SIL applications
o
Suitable for differential encoder signals of 1 Vpp
(250 mV amplitude per line)
o
Suitable for single-ended signals (500 mV amplitude per line)
o
Monitor for input frequencies from 0 to 500 kHz
o
Verification of DC common mode range per signal line
o
Monitoring of Lissajous curve with min/max limits
o
Cable fracture detection
o
Source decoupling and overvoltage clamping per pin by
external resistors
o
Single-failure-proof dual channel concept
o
Independent diagnostic outputs:
signal OK message and signal error message
APPLICATIONS
o
Sensor monitoring
o
Motion control
o
Functional safety
PACKAGES
MSOP10
BLOCK DIAGRAM
iC-RC1000
PSIN
1.2V
sin
2
+cos
2
0.8V
DC Check
OK Channel
OK
&
VCC
Monitor
VCC Monitor
NSIN
VCC1
GND
iC-RC1000
PCOS
1.2V
sin
2
+cos
2
0.8V
Signal
Splitter
DC Check
ERR Channel
ERR
≥1
VCC
Monitor
NCOS
VCC2
GND
iC-Haus GmbH – Integrated Circuits
Oxana Schmalz
16
Copyright © 2012 iC-Haus
ICHAUS [ IC-HAUS GMBH ]
