Laser Modulator Drivers
  • GN1157
  • 1.0 to 11.3Gb/s Multi-Rate LR Transceiver Chip
  • GN1158
  • 1.0 to 11.3Gb/s Multi-Rate SR Transceiver Chip
  • GN1160
  • 1.0 to 11.3Gb/s Multi-Rate Laser Driver Chip
  • GN1153B/C
  • 11.3 Gbps DFB/FP Laser Driver
  • GN1155
  • Multi-rate VCSEL Driver with Integrated Limiting Amplifier
  • GN1190
  • 1.0Gb/s to 14.5Gb/s 4-Channel VCSEL Array Driver
  • GN1411
  • 11.3G DML driver with integrated limiting amplifier
  • GN1412
  • 11.3G EML driver with integrated limiting amplifier
Semtech NT22030

Semtech NT22030

125Mbps POF LED Driver

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The NT22030 is a CMOS high-speed LED driver with up to 25 mA modulation current for applications such as Fast Ethernet and 250 Mbps over POF.


  • Up to 25 mA modulation current.
  • Fabricated in standard high-volume, low cost, mixed signal CMOS process.
  • Compatible with the latest Fast Ethernet specification.
  • Less than 14.75 mA total current consumption (excluding drive current).
  • Differential LVDS input with AC-coupled CML compatibility.
  • Supports LED with mask-programmed on-chip Temperature Compensation and Pulse Width Adjust.
  • 3.3 V supply.
  • High temperature operation (up to 125 °C junction temperature).
  • No external components within FOT required


  • FE POF


  • Bare Die

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