iC-TW3
SENSOR SIGNAL CONDITIONER WITH
TEMPERATURE COMPENSATION AND LINE DRIVER
Rev B1, Page 1/24
FEATURES
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Fully differential 3-channel signal conditioning
PGS inputs for differential and single-ended signals
Overall gain of -3 to 57 dB, adjustable in steps of 0.08 dB
Output referred offset range of ±1.2 V, adjustable in steps of
2 mV
Signal bandwidth to 1 MHz and in/out latency below 1 µs
Selectable automatic gain and offset control for encoder
applications
On-chip or off-chip temperature sensing
Temperature drift compensation for gain and offset via
programmable look-up-tables
Short-circuit-proof outputs: 1 Vpp to 100
Ω,
2 Vpp to 1 kΩ
I
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C interface to restore device setup from serial EEPROM
Bidirectional 1-wire interface for direct RAM and EEPROM
access
Optical setup link via 1-wire interface operating a photo
receiver
Single 3.0 V to 5.5 V supply
Operating temperature range of -40 to +125 °C
APPLICATIONS
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Programmable general purpose
sensor interface
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Optical position sensors
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Magnetic position sensors
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Incremental position sensors
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Linear scales
PACKAGES
QFN32
BLOCK DIAGRAM
Copyright © 2009 iC-Haus
ICHAUS [ IC-HAUS GMBH ]
