The Texas Instruments LM139ADRG4 from Texas Instruments is a highly versatile, high-performance, low-power quad voltage comparator.

• Supply Voltages: single 2V to 36V power supply or dual ±1V to ±18V power supply.
• Input Voltage Range: common mode input voltage range that includes ground.
• Power Consumption: low power consumption.
• Features: fast response times and high input impedance.
• Output Voltage: compatible with TTL, DTL, ECL, MOS, and CMOS logic systems.
• ESD Tolerance: 2 kV.
• Operating Temperature Range: -55°C to 125°C.
• Package: small-outline integrated circuit (SOIC) package.
• Compliance: RoHS compliant and lead-free.