ROHM Semiconductor LM8391G-LB Ground Sense Comparator

ROHM Semiconductor LM8391G-LB Ground Sense Comparator supports single or dual power supply for operation and operates from 3V to 36V wide supply voltage range. This comparator offers a 0.3mA low-supply current and 120dB voltage gain. The LM8391G-LB ground sense comparator is operable from almost the GND level for input. This comparator features 50nA input bias current and 5nA input offset current. The LM8391G-LB ground sense comparator operates from -40°C to 125°C temperature range. Typical applications include industrial equipment, current-monitor, battery-monitor, and multi vibrators.

Features

  • Long-time support product for industrial applications
  • Operable from almost GND level for input
  • Single or dual power supply operation
  • Standard comparator pin-assignments

Specifications

  • Operating supply voltage range:
    • 3V to 36V single supply
    • ±1.5V to ±18V dual supply
  • 0.3mA low supply current
  • 5nA input offset current
  • 50nA input bias current
  • 120dB voltage gain
  • 16mA output current
  • 1.3μs response time
  • -40°C to 125°C operating temperature range

Applications

  • Industrial equipment
  • Current monitor
  • Battery monitor
  • Multi vibrators

Typical Application Circuit Diagram

Application Circuit Diagram - ROHM Semiconductor LM8391G-LB Ground Sense Comparator

Block Diagram

Block Diagram - ROHM Semiconductor LM8391G-LB Ground Sense Comparator

ROHM Semiconductor LM8391G-LB Ground Sense Comparator