OPA547T Datasheet

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps


The OPA547T 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 OPA547T operates from either single or dual supplies for design flexibility. In single supply operation, the input common-mode range extends below ground.The OPA547T is internally protected against overtemperature conditions and current overloads. In addition,the OPA547T 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 OPA547T senses the load indirectly. This allows the current limit to be adjusted from 0 to 750mA with a 0 to 150mA control signal. This is easily done 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 to conserve power. The E/S pin output can be monitored to determine if the OPA547T is in thermal shutdown.The OPA547T is available in an industry-standard 7-lead staggered TO-220 package and a 7-lead DDPAK surface-mount plastic power package. The copper tab allows easy mounting to a heat sink or circuit board for excellent thermal performance. It is specified for operation over the extended industrial temperature range, –40°C to +85°C. OPA547T Features • WIDE SUPPLY RANGE Single Supply: +8V to +60V Dual Supply: ±4V to ±30V• HIGH OUTPUT CURRENT: 500mA Continuous• WIDE OUTPUT VOLTAGE SWING• FULLY PROTECTED: Thermal Shutdown Adjustable Current Limit• OUTPUT DISABLE CONTROL• THERMAL SHUTDOWN INDICATOR• HIGH SLEW RATE: 6V/ms• LOW QUIESCENT CURRENT• PACKAGES: 7-Lead TO-220 7-Lead DDPAK Surface-Mount OPA547T Applications • VALVE, ACTUATOR DRIVER• SYNCHRO, SERVO DRIVER• POWER SUPPLIES• TEST EQUIPMENT• TRANSDUCER EXCITATION• AUDIO AMPLIFIER


[{"Name":"Number of Circuits","Value":"1"},{"Name":"Slew Rate","Value":"6 V/μs"},{"Name":"Gain Bandwidth Product","Value":"1MHz"},{"Name":"Current - Input Bias","Value":"100nA"},{"Name":"Voltage - Input Offset","Value":"1mV"},{"Name":"Current - Supply","Value":"10mA"},{"Name":"Current - Output / Channel","Value":"750mA"},{"Name":"Voltage - Supply, Single/Dual (±)","Value":"8 V ~ 60 V, ±4 V ~ 30 V"},{"Name":"Operating Temperature","Value":"-40°C ~ 85°C"},{"Name":"","Value":""}]

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