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OPA547FKTWT / TO-263-7 / Operational Amplifiers - Op Amps
The OPA547 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 OPA547 operates from either single or dual supplies for design flexibility. In single-supply operation, the input common-mode range extends below ground.
The OPA547 is internally protected against over-temperature conditions and current overloads. In addition, the OPA547 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 OPA547 senses the load indirectly. This allows the current limit to be adjusted from 0mA to 750mA with a 0 to 150µA 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 current to conserve power. The E/S pin output can be monitored to determine if the OPA547 is in thermal shutdown.
The OPA547 is available in an industry-standard 7-lead staggered and straight lead 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.
| Product Attribute | Attribute Value |
|---|---|
| Texas Instruments | |
| Product Category: | Operational Amplifiers - Op Amps |
| SMD/SMT | |
| TO-263-7 | |
| 1 Channel | |
| 60 V | |
| 1 MHz | |
| 500 mA | |
| 6 V/us | |
| 5 mV | |
| 8 V | |
| - 40 C | |
| + 85 C | |
| 500 nA | |
| 10 mA | |
| Shutdown | |
| 95 dB | |
| 90 nV/sqrt Hz | |
| OPA547 | |
| Reel | |
| Cut Tape | |
| MouseReel | |
| Amplifier Type: | High Output Current Amplifier |
| Brand: | Texas Instruments |
| Dual Supply Voltage: | +/- 5 V, +/- 9 V, +/- 12 V |
| Features: | Adj Current Limit, Shutdown |
| Height: | 4.44 mm |
| In - Input Noise Current Density: | 0.2 pA/sqrt Hz |
| Input Type: | Rail-to-Rail |
| Length: | 10.1 mm |
| Maximum Dual Supply Voltage: | +/- 30 V |
| Minimum Dual Supply Voltage: | +/- 4 V |
| Moisture Sensitive: | Yes |
| Operating Supply Voltage: | 8 V to 60 V, +/- 4 V to +/- 30 V |
| Product: | Operational Amplifiers |
| Product Type: | Op Amps - Operational Amplifiers |
| Factory Pack Quantity: | 250 |
| Subcategory: | Amplifier ICs |
| Supply Type: | Single, Dual |
| Vcm - Common Mode Voltage: | Negative Rail - 0.1 V to Positive Rail - 3 V |
| Voltage Gain dB: | 115 dB |
| Width: | 8.89 mm |
| Unit Weight: | 0.056438 oz |
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