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OPA548

SBOS070C – OCTOBER 1997 – REVISED JUNE 2015

OPA548 High-Voltage, High-Current Operational Amplifier

1 Features

3 Description

The OPA548 device is a low-cost, high-voltage and

1

•

Wide Supply Range

high-current operational amplifier that's ideal for

–

Single Supply: 8 V to 60 V

driving a wide variety of loads. A laser-trimmed

–

Dual Supply: ±4 V to ±30 V

monolithic integrated circuit provides excellent low-

level signal accuracy and high-output voltage and

•

High-Output Current:

current.

–

3-A Continuous

The OPA548 device operates from either single or

–

5-A Peak

dual supplies for design flexibility. In single-supply

•

Wide Output Voltage Swing

operation, the input common-mode range extends

•

Fully Protected:

below ground.

–

Thermal Shutdown

The OPA548 device is internally protected against

–

Adjustable Current Limit

over-temperature conditions and current overloads. In

addition, the OPA548 device was designed to provide

•

Output Disable Control˜

an accurate, user-selected current limit. Unlike other

•

Thermal Shutdown Indicator

designs, which use a power resistor in series with the

•

High Slew Rate: 10 V

output current path, the OPA548 device senses the

load indirectly. This allows the current limit to be

•

Low Quiescent Current

adjusted from 0 A to 5 A with a resistor and

•

Packages:

potentiometer or controlled digitally with a voltage-out

–

7-Lead TO-220, Zip and Straight Leads

or current-out DAC.

–

7-Lead DDPAK Surface-Mount

Device Information(1)

2 Applications

PART NUMBER

PACKAGE

BODY SIZE (NOM)

TO-220 (7)

10.17 mm × 8.38 mm

•

Valve, Actuator Drivers

OPA548

TO-263 (7)

10.10 mm × 8.89 mm

•

SYNCHRO, SERVO Drivers

(1) For all available packages, see the orderable addendum at

•

Power Supplies

the end of the data sheet.

•

Test Equipment

•

Transducer Excitation

•

Audio Amplifiers

Simplified Schematic

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.