Quad Differential Line Driver

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These line drivers are similar to the popular 26LS31 device, but without the enable function. These line drivers provide the additional supply voltage range necessary for use in many industrial control applications. AEIC-2631-S16 supports RS-422A, and allows use of supplies up to 30V. Output voltage swings up to VCC -2V are typical. The outputs are protected against shorts to ground by a two-fold scheme of current limiting and thermal shutdown.

Thermal shutdown is accomplished by monitoring junction temperature and comparing this to a band gap reference on chip. Input hysteresis of about 0.5V provides good noise margin, even in noisy industrial control environments. Input to output propagation delays of less than 200ns are typical for rising and falling edges of the input waveform, measured to the zero crossing of the differential outputs.

This part is available in 16L SOIC (Pb-free) package.

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  • Supply Voltage Range 4.75V to 30V
  • Operation to 800KHz
  • CMOS and TTL Compatible Inputs
  • Support RS-422A
  • High Impedance Buffered Inputs with hysteresis
  • Outputs short circuit protected
  • 70mA peak SINK current
  • Outputs Protected by Thermal Shut-Down


  • Industrial encoder interfacing
  • Industrial sensor interfacing
  • Proximity switches
  • Industrial controllers PLC
  • Light barriers
  • MR sensor systems

Lifecycle Status



  • RoHS6
    Fully Compliant

Lifecycle Status


Substance Compliance

  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Active
Distrib. Inventory Yes
Samples Available Yes
Counter Size N/A
Frequency 800KHz
RoHS6 Compliant Y
Package SOIC