LM612 Datasheet | National Semiconductor

Description The dual-channel parator consists of two individual parators having an input voltage range that extends down to the negative supply voltage V b The mon open-collector output can be driven low by either half of the LM612 This configuration makes the LM612 ideal for use as a window parator The input stages of the parator have lateral PNP input transistors which maintain low input currents for large differential input voltages and swings above V a The 1 2V voltage reference referred to the Vb terminal is a two-terminal shunt-type band-gap similar to the LM185-1 2 series with voltage accuracy of g 0 6% available The reference features operation over a shunt current range of 17 m A to 20 m A low dynamic impedance and broad capacitive load range As a member of National’s Super-Block TM family the LM612 is a space-saving monolithic alternative to a multichip solution offering a high level of integration without sacrificing performance Features PARATORS Y Low operating current Y Wide supply voltage range Y Open-collector outputs Y Input mon-mode range Y Wide differential input voltage REFERENCE Y Fixed output voltage Y Tight initial tolerance available Y Wide operating current range Y Tolerant of load capacitance 300 m A 4V to 36V Vb to (V a b 1 8V) g 36V 1 24V g 0 6% (25 C) 17 m A to 20 m A Applications Voltage window parator Power supply voltage monitor Dual-channel fault monitor Connection Diagram TL H 11058 - 1 Top View Ordering Information For information about surface-mount packaging of this device please contact the Analog Product Marketing group at National Semiconductor Corporation headquarters Temperature Range Military b 55 C s TJ s a 125 C LM612AMN LM612AMJ 883 (Note 13) g 2 0% at 25 C 150 ppm C Max Reference Tolerances g 0 6% at 25 C 80 ppm C Max Industrial b 40 C s TJ a 85 C LM612AIN Package NSC Package Number N08E J08A N08E M08A 8-Pin Molded DIP 8-Pin Ceramic DIP LM612MN LM612IN LM612IM 8-Pin Molded DIP 8-Pin Narrow Surface...