Your electronic devices will interface with other digital logic circuits with this LT1714IGN comparator circuit from Linear Technology. Its typical dual supply voltage is ±3|±5 V, with a minimum of ±1.2 V and maximum of ±6 V. This comparator has a minimum operating temperature of -40 °C and a maximum of 85 °C. It has 2 channels per chip. Its typical PSRR is 80 dB. This device uses one or two power supplies.
