Product Summary

The CA3098E is a Programmable Schmitt Trigger. The CA3098E is a monolithic silicon integrated circuit designed to control high operating current loads such as thyristors, lamps, relays, etc. The CA3098E can be operated with either a single power supply
with maximum operating voltage of 16V, or a dual power supply with maximum operating voltage of ±8V. It can directly control currents up to 150mA and operates with microwatt standby power dissipation when the current to be controlled is less than 30mA. The applications of the CA3098E include Control of Relays, Heaters, LEDs, Lamps, Photosensitive Devices, Thyristors, Solenoids, etc., Signal Reconditioning, Phase and Frequency Modulators, On/Off Motor Switching, Schmitt Triggers, Level Detectors, Time Delays, Overvoltage, Overcurrent, Overtemperature Protection, Battery-Operated Equipment, Square and Triangular-Wave Generators.

Parametrics

CA3098E absolute maximum ratings: (1)Supply Voltage Between V+ and V-: 16V; (2)Voltage Between High Reference or Sink Output and V-: 16V; (3)Differential Input Voltage Between Terminals 8 and 1: 10V; (4)and Terminals 7 and 8; (5)Load Current (Terminal 3) (Duty Cycle ≤25%): 150mA; (6)Input Current to Voltage Regulator (Terminal 5): 25mA; (7)Programmable Bias Current (Terminal 2): 1mA; (8)Output Current Control (Terminal 5): 15mA.

Features

CA3098E features: (1)Programmable Operating Current; (2)Micropower Standby Dissipation; (3)Direct Control of Currents Up to 150mA; (4)Low Input On/Off Current of Less Than 1nA for Programmable Bias Current of 1μA; (5)Built-in Hysteresis: 20mV (Max).

Diagrams

CA3098E block diagram

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