Transcription of High-Voltage, High-Current Operational Amplifier (Rev. E)
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OPA549 High-Voltage, High-CurrentOPERATIONAL AMPLIFIERDESCRIPTIONThe OPA549 is a low-cost, high-voltage/ High-Current opera-tional Amplifier ideal for driving a wide variety of loads. Thislaser-trimmed monolithic integrated circuit provides excellentlow-level signal accuracy and high output voltage and OPA549 operates from either single or dual supplies fordesign flexibility. The input common-mode range extendsbelow the negative OPA549 is internally protected against over-temperatureconditions and current overloads. In addition, the OPA549provides an accurate, user-selected current limit. Unlikeother designs which use a power resistor in series with theoutput current path, the OPA549 senses the load allows the current limit to be adjusted from 0A to 10 Awith a resistor/potentiometer, or controlled digitally with avoltage-out or current -out Digital-to-Analog Converter (DAC).
OPA549 SBOS093E 3 www.ti.com ELECTRICAL CHARACTERISTICS Boldface limits apply over the specified temperature range, TA = –40°C to +85°C. At TCASE = +25°C, VS = ±30V, Ref = 0V, and E/S pin open, unless otherwise noted. OPA549T, S PARAMETER CONDITION MIN TYP MAX UNITS
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