Triple Differential Line Driver IC

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Product description

The iC-HE is a three channel line driver with complementary outputs optimized for
line impedances in the range of 75 Ω.
The push-pull output stages can deliver at least 200 mA from 24 V supply and are short-circuit-proof and current-limited, shutting down with excessive temperature or undervoltage conditon.
All inputs are compatible with CMOS and TTL levels.
The emitter and collector outputs of an on-chip NPN transitor is available for driving an external light emitting diode.


  • Complementary short-circuit-proof push-pull driver stages for RS422 and 24 V applications up to 2 MHz
  • SO14N package pin-compatible to ET9600
  • Integrated line adaptation for high signal quality at 24 V
  • Moderate slew rate reduces EMI
  • High driving capability of typically 200 mA at 24 V
  • Output saturation of just 0.3 V at 40 mAdc
  • Tristate function with excessive temperature
  • TTL-/CMOS-compatible Schmitt trigger inputs, voltage-proof to 40 V
  • 4.5 to 35 V single supply operation with low static power dissipation
  • Operating temperature from -25 to 125 °C (-40 °C is optional)
  • 50 mA LED driver with ISET input for current control


  • Line drivers for 24 V control engineering
  • Linear scales and encoders
  • Sensor systems
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