iC-MN
25-BIT NONIUS ENCODER
WITH 3-CH. SAMPLING 13-BIT Sin/D INTERPOLATION
Rev D1, Page 1/59
FEATURES
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3 chan. simultaneous sampling 13 bit sine-to-digital conversion
Differential and single-ended PGA inputs to 200 kHz
Input adaptation to current or voltage signals
Adjustable signal conditioning for offset, amplitude and phase
Input signal stabilization by LED or MR bridge supply tracking
(via controlled 50 mA and 2 x 10 mA highside sources)
2 or 3 track nonius calculation of up to 25 bit singleturn position
Data update within 7 µs supported by flash period counting
Serial 2-wire interface to multiturn sensors (BiSS, SSI, 2-bit)
Fast, serial I/O interface with fail-safe RS422 transceiver
(SSI to 4 MHz, BiSS C to 10 MHz)
Differential 1 Vpp sin/cos outputs to 100
Ω,
short-circuit-proof
Position preset function, selectable up/down code direction
Signal and system monitoring with configurable error/warning
messaging and diagnosis memory
Device setup via I/O interface (BiSS) or serial EEPROM
Reverse-polarity-proof and tolerant against faulty output wiring
Power-good switch protecting the peripheral circuitry
Single 5 V supply, operation from -40 to +95 (+110) °C
APPLICATIONS
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Multi-channel sine-to-digital
converter
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Optical and magnetic position
sensors
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Singleturn and multiturn
absolute encoders
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Linear scales for absolute
position
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Resolver systems
PACKAGES
QFN48 7x7
BLOCK DIAGRAM
Copyright © 2010 iC-Haus
ICHAUS [ IC-HAUS GMBH ]
