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LMH6678 Description

The LMH6678 is a low power 2-channel differential output driver utilizing dual current feedback op amps with a fixed gain of AV = +5.4. The LMH6678 utilizes high integration with low power consumption to provide 580 mW at 19.8 dBm line output. The LMH6678 can also be put into a listen mode to maintain the termination for receive signals with 100 mW/Ch power dissipation.

LMH6678 Key Features

  • 2 AVCC1 = AVCC2 = +12V, AVDD = DVDD = +3.3V, TA = 25°C, 2/3 Power Mode, Typical Values Unless Specified
  • Low Power Consumption
  • Line Power PLINE = 100 mW 580 mW/Ch
  • No Signal 185 mW/Ch
  • Listen Mode 100 mW/Ch
  • Shutdown Mode 3 mW/Ch
  • Power Supply
  • Analog (AVCC1, AVCC2) +12V
  • Digital (DVDD, AVDD) +3.3V
  • Output Voltage Swing @ RL = 31Ω