OPA548TG3 Datasheet

Operational Amplifiers - Op Amps


The OPA548TG3 is a low-cost, high-voltage/high-current operational amplifier ideal for driving a wide variety of loads. A laser-trimmed monolithic integrated circuit provides excellent low-level signal accuracy and high output voltage and current. The OPA548TG3 operates from either single or dual supplies for design flexibility. In single-supply operation, the input common- mode range extends below ground. The OPA548TG3 is internally protected against over-temperature conditions and current overloads. In addition, the OPA548TG3 was designed to provide an accurate, user-selected current limit. Unlike other designs which use a “power” resistor in series with the output current path, the OPA548TG3 senses the load indirectly. This allows the current limit to be adjusted from 0A to 5A with a resistor/potentiometer or controlled digitally with a voltage-out or current-out DAC. The Enable/Status (E/S) pin provides two functions. An input on the pin not only disables the output stage to effectively disconnect the load, but also reduces the quiescent current to conserve power. The E/S pin output can be monitored to determine if the OPA548TG3 is in thermal shutdown. OPA548TG3 Features •WIDE SUPPLY RANGE Single Supply: +8V to +60V Dual Supply: ±4V to ±30V• HIGH OUTPUT CURRENT: 3A Continuous 5A Peak• WIDE OUTPUT VOLTAGE SWING• FULLY PROTECTED: Thermal Shutdown Adjustable Current Limit• OUTPUT DISABLE CONTROL• THERMAL SHUTDOWN INDICATOR• HIGH SLEW RATE: 10V/μs• LOW QUIESCENT CURRENT• PACKAGES: 7-Lead TO-220, Zip and Straight Leads 7-Lead DDPAK Surface-Mount OPA548TG3 Applications • VALVE, ACTUATOR DRIVERS• SYNCHRO, SERVO DRIVERS• POWER SUPPLIES• TEST EQUIPMENT• TRANSDUCER EXCITATION• AUDIO AMPLIFIERS


[{"Name":"Input Offset Voltage: ","Value":"10 mV "},{"Name":"Input Bias Current (Max): ","Value":"500 nA "},{"Name":"Operating Supply Voltage: ","Value":"8 V to 60 V, +/- 4 V to +/- 30 V "},{"Name":"Output Current: ","Value":"3 A "},{"Name":"Maximum Operating Temperature: ","Value":"+ 125 C "},{"Name":"Minimum Operating Temperature: ","Value":"- 40 C "},{"Name":"Supply Current: ","Value":"20 mA "},{"Name":"Maximum Dual Supply Voltage: ","Value":"+/- 30 V "},{"Name":"Minimum Dual Supply Voltage: ","Value":"+/- 4 V "},{"Name":"Voltage Gain dB: ","Value":"98 dB "}]

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