iC-MSA TSSOP20-TP

Sin/Cos Signal Conditioner with AGC and 1 Vpp Driver

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Product description

iC-MSA is a sine/cosine sensor signal conditioner with fail-safe 1 Vpp line driver outputs for low-frequency signals.

The analog PGA front-end takes differential or single-ended signals; current-to-voltage conversion is optional. The signal-path is purely analog from input to output, whereas signal errors are corrected by a digitally-controlled conditioning unit utilizing several D/A converters (includes automatic gain control). Signal loss detection and level monitoring is included.

Features

  • PGA inputs for differential and single-ended sensor signals up to 20 kHz
  • Selectable adaptation to voltage or current signals
  • Flexible signal assignment due to input multiplexers
  • Sine/Cosine signal conditioning for offset, amplitude and phase
  • Separate index signal conditioning
  • Short-circuit-proof and reverse polarity tolerant output drivers (1 Vpp to 100 Ω)
  • Stabilized output signal levels due to automatic gain control
  • Signal and system monitoring with configurable alarm output
  • Supply voltage monitoring with integrated switches for reversed-polarity-safe systems
  • Excessive temperature protection with sensor calibration
  • I2C multi-master interface
  • Supply from 4.3 to 5 V, operation within -40 °C to +115 °C
  • Verifyable chip release code
  • Pin compatible with iC-MSB

Applications

  • Programmable sensor interface for optical and magnetic position sensors
  • Linear gauges and incremental encoders
  • Linear scales
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